@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap");

:root,
[data-theme="light"] {
  --font-primary: "Inter", sans-serif;
  --font-display: "Outfit", sans-serif;

  --color-bg: #f8faf8;
  --color-bg-app: #f8faf8;
  --color-surface: #ffffff;
  --color-bg-sidebar: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-hover: #f3f5f3;
  --color-text: #1e221e;
  --color-text-primary: #1e221e;
  --color-text-secondary: #586058;
  --color-text-muted: #596159;
  --color-border: #e8ebe8;
  --color-border-hover: #d0d6d0;

  --color-green: #00a859;
  --color-green-light: #e6f7ed;
  --color-green-hover: #008f4a;
  --color-green-glow: rgba(0, 168, 89, 0.15);

  --color-blue: #4096ff;
  --color-blue-light: #e6f4ff;
  --color-blue-hover: #0958d9;

  --color-purple: #722ed1;
  --color-purple-light: #f9f0ff;

  --color-orange: #fa8c16;
  --color-orange-light: #fff7e6;

  --color-red: #ff4d4f;
  --color-red-light: #fff1f0;

  --color-yellow: #fadb14;

  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

  --border-radius-xl: 20px;
  --border-radius-lg: 16px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  --box-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.02);
  --box-shadow-md: 0 8px 24px rgba(0, 168, 89, 0.04);
  --box-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.06);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
  --exam-primary-color: #6366f1;
  --exam-badge-color: #6366f1;
  --exam-badge-bg: rgba(99, 102, 241, 0.15);
}

body.exam-mode-ege {
  --color-green: #6366f1;
  --color-green-hover: #4f46e5;
  --color-green-light: #eef2ff;
  --exam-primary-color: #6366f1;
}

[data-theme="dark"] body.exam-mode-ege,
[data-theme="dark"].exam-mode-ege {
  --color-green: #818cf8;
  --color-green-hover: #6366f1;
  --color-green-light: rgba(99, 102, 241, 0.18);
  --exam-primary-color: #818cf8;
}

body.exam-mode-oge {
  --color-green: #0ea5e9;
  --color-green-hover: #0284c7;
  --color-green-light: #f0f9ff;
  --exam-primary-color: #0ea5e9;
}

[data-theme="dark"] body.exam-mode-oge,
[data-theme="dark"].exam-mode-oge {
  --color-green: #38bdf8;
  --color-green-hover: #0ea5e9;
  --color-green-light: rgba(14, 165, 233, 0.18);
  --exam-primary-color: #38bdf8;
}

.btn-tab {
  background: transparent;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.btn-tab.active,
.btn-tab:hover {
  background: var(--color-card-bg);
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}


[data-theme="dark"] {
  --color-bg: #121613;
  --color-bg-app: #121613;
  --color-surface: #1a201b;
  --color-bg-sidebar: #1a201b;
  --color-bg-card: #1e261f;
  --color-bg-hover: #263028;
  --color-text: #e4ece5;
  --color-text-primary: #e4ece5;
  --color-text-secondary: #a3b3a5;
  --color-text-muted: #88988b;
  --color-border: #2a342c;
  --color-border-hover: #3c4a3f;

  --color-green: #00c86b;
  --color-green-light: rgba(0, 200, 107, 0.15);
  --color-green-hover: #00a859;
  --color-green-glow: rgba(0, 200, 107, 0.25);

  --color-blue: #4096ff;
  --color-blue-light: rgba(64, 150, 255, 0.15);
  --color-blue-hover: #1677ff;

  --color-purple: #9254de;
  --color-purple-light: rgba(146, 84, 222, 0.15);

  --color-orange: #ff9c6e;
  --color-orange-light: rgba(255, 156, 110, 0.15);

  --color-red: #ff7875;
  --color-red-light: rgba(255, 120, 117, 0.15);

  --color-yellow: #ffec3d;

  --glass-bg: rgba(26, 32, 27, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --box-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --box-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --box-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.glass-panel,
.glass-card,
.glass-modal {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  border-radius: var(--border-radius-lg);
}

.glass-panel {
  border-radius: var(--border-radius-md);
}

.glass-modal {
  border-radius: var(--border-radius-xl);
}

.backdrop-blur {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.backdrop-blur-lg {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.exam-type-toggle {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 3px;
  gap: 2px;
}

.exam-type-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
  background: transparent;
}

.exam-type-btn:hover {
  color: var(--color-text-primary);
}

.exam-type-btn.active {
  background-color: var(--color-surface);
  color: var(--color-green);
  box-shadow: var(--box-shadow-sm);
}

.theme-toggle {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 3px;
  gap: 2px;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--color-text-primary);
}

.theme-toggle-btn.active {
  background-color: var(--color-surface);
  color: var(--color-green);
  box-shadow: var(--box-shadow-sm);
}

.theme-toggle-btn svg,
.theme-toggle-btn i {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  pointer-events: none;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-app);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  height: 100vh;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

a {
  text-decoration: none;
  color: inherit;
}

input,
textarea {
  font-family: inherit;
  outline: none;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #d0d6d0;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #b0b6b0;
}

.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100%;
  padding: 24px 16px;
  justify-content: space-between;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px;
  margin-bottom: 32px;
}

.brand-logo-wrapper {
  background-color: var(--color-green-light);
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  font-size: 24px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 168, 89, 0.1);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 11px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  width: 100%;
  text-align: left;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-secondary);
  stroke-width: 2;
  fill: none;
  transition: var(--transition-fast);
}

.nav-item:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.nav-item:hover svg {
  stroke: var(--color-text-primary);
}

.nav-item.active {
  background-color: var(--color-green);
  color: #ffffff;
}

.nav-item.active svg {
  stroke: #ffffff;
}

.premium-promo-card {
  background: linear-gradient(145deg, var(--color-green-light) 0%, var(--color-surface) 100%);
  border: 1px dashed rgba(0, 168, 89, 0.3);
  border-radius: var(--border-radius-lg);
  padding: 16px;
  margin-top: auto;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--box-shadow-sm);
  flex-shrink: 0;
}

.premium-promo-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(0, 168, 89, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.premium-promo-icon {
  font-size: 20px;
  margin-bottom: 8px;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.premium-promo-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.premium-promo-text {
  font-size: 11px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.premium-promo-btn {
  background-color: var(--color-green);
  color: #ffffff;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  width: 100%;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 168, 89, 0.15);
}

.premium-promo-btn:hover {
  background-color: var(--color-green-hover);
  box-shadow: 0 6px 16px rgba(0, 168, 89, 0.25);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  border-top: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-user:hover {
  background-color: var(--color-bg-hover);
  border-radius: var(--border-radius-md);
}

.user-avatar-wrapper {
  position: relative;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--color-border);
}

.user-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background-color: #52c41a;
  border: 2px solid var(--color-surface);
  border-radius: 50%;
}

.user-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--color-text-muted);
}

.user-chevron {
  color: var(--color-text-muted);
  font-size: 12px;
  display: flex;
  align-items: center;
}

.main-area {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.top-bar {
  height: 72px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-bg-hover);
  border-radius: var(--border-radius-md);
  padding: 10px 16px;
  width: 360px;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.search-box:focus-within {
  background-color: var(--color-surface);
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(0, 168, 89, 0.1);
}

.search-box svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text-muted);
  stroke-width: 2.5;
  fill: none;
}

.search-input {
  border: none;
  background: transparent;
  width: 100%;
  font-size: 13px;
  color: var(--color-text-primary);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.action-btn-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition-fast);
}

.action-btn-circle:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.action-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: var(--color-green);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-surface);
}

.auth-btn {
  background-color: var(--color-surface);
  color: var(--color-green);
  border: 1.5px solid var(--color-green);
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.auth-btn:hover {
  background-color: var(--color-green-light);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 50px;
  background-color: var(--color-bg-hover);
  border: 1px solid var(--color-border);
}

.user-badge-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-badge-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.user-badge-logout {
  font-size: 11px;
  color: var(--color-red);
  font-weight: 500;
  margin-left: 4px;
}

.view-container {
  flex-grow: 1;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.view-section {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.view-section.active {
  display: block;
}


.hero-banner {
  background: linear-gradient(100deg, var(--color-green-light) 0%, var(--color-surface) 100%);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(0, 168, 89, 0.1);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  position: relative;
  box-shadow: var(--box-shadow-md);
  overflow: hidden;
}

.hero-banner::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 168, 89, 0.05) 0%, transparent 80%);
  pointer-events: none;
}

.hero-text {
  max-width: 50%;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  line-height: 1.25;
}

.hero-title span {
  color: var(--color-green);
}

.hero-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-btns {
  display: flex;
  gap: 12px;
}

.btn-primary {
  background-color: var(--color-green);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 168, 89, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-green-hover);
  box-shadow: 0 6px 20px rgba(0, 168, 89, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-hover);
}

.hero-graphic {
  position: relative;
  max-width: 45%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-svg-bg {
  width: 260px;
  height: auto;
  animation: float 6s ease-in-out infinite;
}

.section-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-link {
  font-size: 13px;
  color: var(--color-green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.section-link:hover {
  text-decoration: underline;
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.subject-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.subject-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: transparent;
  transition: var(--transition-fast);
}

.subject-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background-color: var(--color-bg-hover);
  flex-shrink: 0;
}

.subject-details {
  display: flex;
  flex-direction: column;
}

.subject-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.subject-status {
  font-size: 11px;
  color: var(--color-text-muted);
}

.subject-card.active-subject:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-md);
  border-color: rgba(0, 168, 89, 0.2);
}

.subject-card.active-subject::before {
  background-color: var(--theme-color, var(--color-green));
}

.subject-card.locked-subject {
  opacity: 0.65;
  background-color: var(--color-bg-hover);
  cursor: not-allowed;
}

.subject-card.locked-subject:hover {
  opacity: 0.8;
  border-color: var(--color-border-hover);
}

.lock-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  background-color: var(--color-bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
}

.features-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.feature-card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 190px;
  transition: var(--transition-normal);
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.feature-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card.f-tests .feature-icon-wrapper {
  background-color: var(--color-green-light);
  color: var(--color-green);
}
.feature-card.f-notes .feature-icon-wrapper {
  background-color: var(--color-blue-light);
  color: var(--color-blue);
}
.feature-card.f-videos .feature-icon-wrapper {
  background-color: var(--color-purple-light);
  color: var(--color-purple);
}

.feature-icon-wrapper svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.feature-headline {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.feature-descr {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.feature-link {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  transition: var(--transition-fast);
}

.feature-card.f-tests .feature-link {
  color: var(--color-green);
}
.feature-card.f-notes .feature-link {
  color: var(--color-blue);
}
.feature-card.f-videos .feature-link {
  color: var(--color-purple);
}

.feature-card:hover .feature-link {
  gap: 8px;
}

.stats-bar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 16px 24px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  gap: 20px;
  box-shadow: var(--box-shadow-sm);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 140px;
}

.stat-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background-color: var(--color-bg-hover);
}

.stat-item.st-solved .stat-icon-box {
  background-color: var(--color-green-light);
  color: var(--color-green);
}
.stat-item.st-result .stat-icon-box {
  background-color: var(--color-blue-light);
  color: var(--color-blue);
}
.stat-item.st-streak .stat-icon-box {
  background-color: var(--color-purple-light);
  color: var(--color-purple);
}
.stat-item.st-achievements .stat-icon-box {
  background-color: var(--color-orange-light);
  color: var(--color-orange);
}
.stat-item.st-today .stat-icon-box {
  background-color: var(--color-red-light);
  color: var(--color-red);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.subject-header-banner {
  background: linear-gradient(135deg, var(--sub-color-primary) 0%, var(--color-surface) 100%);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--color-border);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.subject-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.subject-header-icon {
  font-size: 36px;
  width: 64px;
  height: 64px;
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--box-shadow-sm);
}

.subject-header-text h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.subject-header-text p {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.subject-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.sub-tab-btn {
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  position: relative;
  transition: var(--transition-fast);
}

.sub-tab-btn:hover {
  color: var(--color-text-primary);
}

.sub-tab-btn.active {
  color: var(--tab-color-active, var(--color-green));
}

.sub-tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--tab-color-active, var(--color-green));
  border-radius: 2px;
}

.subject-tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.subject-tab-panel.active {
  display: block;
}

.notes-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.note-item-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  transition: var(--transition-normal);
  position: relative;
}

.note-item-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-sm);
  border-color: var(--color-border-hover);
}

.note-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.note-item-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--color-bg-hover);
  color: var(--color-text-secondary);
}

.note-item-tag.premium {
  background: linear-gradient(135deg, #ffeab6 0%, #ffd56b 100%);
  color: #7a5700;
}

.note-item-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 12px;
  flex-grow: 1;
}

.note-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: 12px;
}

.note-item-meta {
  font-size: 11px;
  color: var(--color-text-muted);
}

.note-item-btn {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-green);
  display: flex;
  align-items: center;
  gap: 4px;
}

.note-item-btn.premium {
  color: var(--color-orange);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.video-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
}

.video-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-md);
  border-color: var(--color-border-hover);
}

.video-thumbnail {
  position: relative;
  height: 180px;
  background: linear-gradient(45deg, #111 0%, #2d3a31 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-thumbnail-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.video-card:hover .video-thumbnail-overlay {
  background: rgba(0, 0, 0, 0.4);
}

.video-play-btn {
  width: 54px;
  height: 54px;
  background-color: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: var(--transition-fast);
  transform: scale(0.95);
}

.video-card:hover .video-play-btn {
  transform: scale(1.05);
  background-color: var(--color-green);
  color: #ffffff;
}

.video-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background-color: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-info-box {
  padding: 16px;
}

.video-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.video-card-instructor {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.video-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}

.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-list-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.quiz-list-item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--box-shadow-sm);
}

.quiz-item-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.quiz-item-badge {
  font-size: 20px;
}

.quiz-item-details h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.quiz-item-details p {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.quiz-item-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.note-view-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
}

.note-sidebar {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 16px;
  align-self: start;
}

.note-sidebar-title {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  padding-left: 8px;
}

.note-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.note-nav-btn {
  text-align: left;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.note-nav-btn:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.note-nav-btn.active {
  background-color: var(--color-green-light);
  color: var(--color-green);
  font-weight: 600;
}

.note-nav-btn.premium {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.note-nav-btn.premium::after {
  content: "★";
  font-size: 10px;
  color: var(--color-orange);
}

.note-main-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 40px;
  position: relative;
  box-shadow: var(--box-shadow-sm);
}

.note-back-btn {
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.note-back-btn:hover {
  color: var(--color-text-primary);
}

.note-content-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.note-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 24px;
  margin-bottom: 12px;
}

.note-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.note-body ul,
.note-body ol {
  padding-left: 20px;
  margin-bottom: 16px;
}

.note-body li {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.note-info-box {
  background-color: var(--color-green-light);
  border-left: 4px solid var(--color-green);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  padding: 16px;
  margin: 24px 0;
}

.note-info-box strong {
  display: block;
  font-size: 14px;
  color: var(--color-green-hover);
  margin-bottom: 8px;
}

.note-info-box ul {
  margin-bottom: 0;
}

.premium-badge-inline {
  display: inline-block;
  background-color: var(--color-orange-light);
  color: var(--color-orange);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  border: 1px solid rgba(250, 140, 22, 0.2);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 13px;
}

.data-table th,
.data-table td {
  border: 1px solid var(--color-border);
  padding: 12px;
  text-align: left;
}

.data-table th {
  background-color: var(--color-bg-hover);
  font-weight: 700;
  color: var(--color-text-primary);
}

.data-table tr:nth-child(even) {
  background-color: var(--color-surface);
}

.premium-blur-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 10;
}

.premium-lock-box {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--box-shadow-lg);
  padding: 32px;
  max-width: 420px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.premium-lock-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
}

.premium-lock-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.premium-lock-text {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.quiz-layout {
  max-width: 680px;
  margin: 0 auto;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.quiz-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.quiz-progress-wrapper {
  flex-grow: 1;
  max-width: 200px;
  height: 6px;
  background-color: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-left: 20px;
  margin-right: 12px;
}

.quiz-progress-bar {
  height: 100%;
  background-color: var(--color-green);
  width: 0%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.quiz-progress-text {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.quiz-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 32px;
  box-shadow: var(--box-shadow-sm);
  margin-bottom: 20px;
}

.quiz-question-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option-btn {
  text-align: left;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  transition: var(--transition-fast);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option-btn:hover:not(.checked) {
  border-color: var(--color-border-hover);
  background-color: var(--color-bg-hover);
}

.quiz-option-btn.checked-correct {
  border-color: var(--color-green);
  background-color: var(--color-green-light);
  color: var(--color-green-hover);
  font-weight: 600;
}

.quiz-option-btn.checked-incorrect {
  border-color: var(--color-red);
  background-color: var(--color-red-light);
  color: var(--color-red);
}

.option-badge-circle {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  transition: var(--transition-fast);
}

.quiz-option-btn:hover:not(.checked) .option-badge-circle {
  border-color: var(--color-text-secondary);
}

.quiz-option-btn.checked-correct .option-badge-circle {
  border-color: var(--color-green);
  background-color: var(--color-green);
  color: #ffffff;
}

.quiz-option-btn.checked-incorrect .option-badge-circle {
  border-color: var(--color-red);
  background-color: var(--color-red);
  color: #ffffff;
}

.quiz-explanation-box {
  background-color: #f0f5ff;
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  padding: 16px;
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.6;
  color: #002c8c;
  animation: slideDown 0.3s ease;
}

.quiz-explanation-box strong {
  display: block;
  margin-bottom: 6px;
}

.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quiz-results-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 40px;
  box-shadow: var(--box-shadow-lg);
  text-align: center;
}

.results-radial-wrapper {
  width: 140px;
  height: 140px;
  margin: 0 auto 24px auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.results-radial-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.results-radial-bg {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 8;
}

.results-radial-bar {
  fill: none;
  stroke: var(--color-green);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  transition: stroke-dashoffset 1s ease-out;
}

.results-percentage {
  position: absolute;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.results-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.results-score-details {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.results-score-badge {
  background-color: var(--color-green-light);
  color: var(--color-green);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: var(--border-radius-md);
  display: inline-block;
  margin-bottom: 32px;
}

.results-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.ai-view-container {
  max-width: 720px;
  margin: 0 auto;
}

.ai-header-card {
  background: linear-gradient(135deg, #722ed1 0%, #b37feb 100%);
  border-radius: var(--border-radius-xl);
  padding: 32px;
  color: #ffffff;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(114, 46, 209, 0.15);
  position: relative;
  overflow: hidden;
}

.ai-header-card::before {
  content: "✦";
  position: absolute;
  right: 20px;
  bottom: -10px;
  font-size: 120px;
  color: rgba(255, 255, 255, 0.08);
  pointer-events: none;
  font-family: var(--font-display);
}

.ai-header-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.ai-header-descr {
  font-size: 13px;
  opacity: 0.9;
  line-height: 1.5;
}

.ai-input-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 24px;
  box-shadow: var(--box-shadow-sm);
  margin-bottom: 24px;
}

.ai-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 10px;
  display: block;
}

.ai-textarea {
  width: 100%;
  height: 100px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 16px;
  font-size: 13px;
  color: var(--color-text-primary);
  resize: none;
  transition: var(--transition-fast);
  margin-bottom: 16px;
}

.ai-textarea:focus {
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(114, 46, 209, 0.1);
}

.ai-suggestions-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.ai-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.ai-chip {
  background-color: #f3f5f3;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: var(--transition-fast);
}

.ai-chip:hover {
  background-color: var(--color-border);
  color: var(--color-text-primary);
}

.ai-generate-btn {
  background: linear-gradient(135deg, #722ed1 0%, #873bf3 100%);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(114, 46, 209, 0.2);
  width: 100%;
}

.ai-generate-btn:hover {
  background: linear-gradient(135deg, #6125b6 0%, #762de3 100%);
  box-shadow: 0 6px 20px rgba(114, 46, 209, 0.3);
}

.ai-loading-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 32px;
  text-align: center;
  box-shadow: var(--box-shadow-sm);
  display: none;
}

.ai-shimmer-ring {
  width: 60px;
  height: 60px;
  border: 4px solid var(--color-purple-light);
  border-top-color: var(--color-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px auto;
}

.ai-loading-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.ai-loading-checklist {
  text-align: left;
  max-width: 320px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.ai-checklist-item.pending {
  color: var(--color-text-muted);
}

.ai-checklist-item.active {
  color: var(--color-purple);
  font-weight: 600;
}

.ai-checklist-item.done {
  color: var(--color-green);
}

.ai-check-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2000;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--box-shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--color-text-muted);
  font-size: 20px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: #f3f5f3;
  color: var(--color-text-primary);
}

.all-subjects-card {
  max-width: 560px;
  padding: 8px 24px 32px;
}

.all-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.all-subject-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-card);
  cursor: pointer;
  text-align: left;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.all-subject-item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--box-shadow-md);
  transform: translateY(-2px);
}

.all-subject-item .subject-icon-box {
  background: var(--color-bg-app);
}

.all-subject-item.locked-subject {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-modal-header {
  padding: 32px 32px 16px 32px;
  text-align: center;
}

.auth-modal-logo {
  font-size: 28px;
  margin-bottom: 12px;
  display: inline-block;
}

.auth-modal-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.auth-modal-body {
  padding: 0 32px 32px 32px;
}

.auth-option-btn {
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
  transition: var(--transition-fast);
}

.auth-option-btn.vk-btn {
  background-color: #0077ff;
  color: #ffffff;
}

.auth-option-btn.vk-btn:hover {
  background-color: #0066dd;
}

.auth-option-btn.yandex-btn {
  background-color: #f51414;
  color: #ffffff;
}

.auth-option-btn.yandex-btn:hover {
  background-color: #d60e0e;
}

.auth-divider {
  text-align: center;
  font-size: 11px;
  color: var(--color-text-muted);
  position: relative;
  margin: 20px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background-color: var(--color-border);
}

.auth-divider::before {
  left: 0;
}
.auth-divider::after {
  right: 0;
}

.auth-form-group {
  margin-bottom: 16px;
}

.auth-input-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 6px;
}

.auth-form-input {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--color-bg-app);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

[data-theme="dark"] .auth-form-input {
  background-color: var(--color-bg-app);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.auth-form-input:focus {
  border-color: var(--color-green);
}

.auth-submit-btn {
  background-color: var(--color-green);
  color: #ffffff;
  width: 100%;
  padding: 12px;
  border-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition-fast);
  margin-top: 8px;
}

.auth-submit-btn:hover {
  background-color: var(--color-green-hover);
}

.auth-switch {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.auth-switch a {
  color: var(--color-green);
  font-weight: 600;
  cursor: pointer;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.premium-modal-card {
  max-width: 600px;
  background: linear-gradient(145deg, #131714 0%, #1a221c 100%);
  color: #ffffff;
  border-color: rgba(0, 168, 89, 0.2);
}

.premium-modal-card .modal-close-btn {
  color: rgba(255, 255, 255, 0.5);
}

.premium-modal-card .modal-close-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.premium-modal-header {
  padding: 40px 40px 20px 40px;
  text-align: center;
}

.premium-modal-badge {
  background: linear-gradient(135deg, #ffeab6 0%, #ffd56b 100%);
  color: #7a5700;
  font-size: 10px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.premium-modal-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
}

.premium-modal-title span {
  background: linear-gradient(90deg, #ffd56b 0%, #ff9f1a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.premium-modal-body {
  padding: 0 40px 40px 40px;
}

.premium-benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.premium-benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

.premium-benefit-check {
  color: #ffd56b;
  font-weight: 700;
}

.premium-plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.premium-plan-card {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-lg);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.03);
  transition: var(--transition-normal);
  position: relative;
}

.premium-plan-card:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.05);
}

.premium-plan-card.active {
  border-color: #ffd56b;
  background-color: rgba(255, 213, 107, 0.08);
}

.premium-plan-tag {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-green);
  color: #ffffff;
  font-size: 8px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  white-space: nowrap;
}

.premium-plan-duration {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}

.premium-plan-price {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
}

.premium-plan-card.active .premium-plan-price {
  color: #ffd56b;
}

.premium-plan-per-month {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
}

.premium-subscribe-btn {
  background: linear-gradient(135deg, #ffd56b 0%, #ff9f1a 100%);
  color: #4a3300;
  width: 100%;
  padding: 14px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(255, 159, 26, 0.25);
  text-align: center;
}

.premium-subscribe-btn:hover {
  background: linear-gradient(135deg, #ffe08f 0%, #ffa836 100%);
  box-shadow: 0 6px 20px rgba(255, 159, 26, 0.35);
  transform: translateY(-1px);
}

.premium-modal-footer {
  text-align: center;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 16px;
}

.toast-message {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-text-primary);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--box-shadow-lg);
  z-index: 2100;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 0.3s,
    transform 0.3s;
}

.toast-message.active {
  opacity: 1;
  transform: translateY(0);
}

.toast-icon {
  font-size: 16px;
}

.video-player-card {
  max-width: 720px;
}

.video-player-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.video-player-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
}

.video-player-body {
  padding: 0;
  background-color: #000000;
  aspect-ratio: 16/9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-video-canvas {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #142018 0%, #0c0f0d 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
}

.mock-video-canvas svg {
  width: 64px;
  height: 64px;
  color: var(--color-green);
  opacity: 0.8;
  animation: pulse 2s infinite;
  cursor: pointer;
}

.mock-video-canvas:hover svg {
  opacity: 1;
}

.video-mock-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.video-timeline-wrapper {
  width: 100%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.video-timeline-progress {
  height: 100%;
  background-color: var(--color-green);
  width: 35%;
  border-radius: 2px;
}

.video-timeline-handle {
  position: absolute;
  top: 50%;
  left: 35%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: #ffffff;
  border-radius: 50%;
}

.video-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

.controls-left,
.controls-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.05);
    opacity: 1;
  }
  100% {
    transform: scale(0.95);
    opacity: 0.8;
  }
}

.plan-dashboard-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 16px;
}

.plan-roadmap-sidebar {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--box-shadow-sm);
}

.plan-week-progress-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 8px solid var(--color-green-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 12px 0;
}

.plan-tasks-calendar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plan-day-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 20px;
  box-shadow: var(--box-shadow-sm);
}

.plan-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.plan-day-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.plan-day-status {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--color-blue-light);
  color: var(--color-blue-hover);
}

.plan-day-status.done {
  background-color: var(--color-green-light);
  color: var(--color-green-hover);
}

.plan-day-status.pending {
  background-color: var(--color-bg-hover);
  color: var(--color-text-muted);
}

.plan-day-tasks-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-task-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.4;
}

.plan-task-item input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-green);
  cursor: pointer;
}

.plan-task-item.done {
  text-decoration: line-through;
  opacity: 0.55;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.analytics-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 24px;
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  min-height: 240px;
}

.analytics-card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
}

.chart-container {
  flex-grow: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.svg-chart {
  width: 100%;
  max-height: 160px;
}

.mobile-bottom-nav {
  display: none;
}

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 80px;
  }
  .brand-info,
  .brand-tagline,
  .premium-promo-card,
  .sidebar-user .user-info,
  .sidebar-user .user-chevron {
    display: none !important;
  }
  .sidebar {
    padding: 24px 8px;
    align-items: center;
  }
  .brand-section {
    padding: 0;
    margin-bottom: 24px;
    justify-content: center;
  }
  .nav-item {
    padding: 12px;
    justify-content: center;
    border-radius: 50%;
  }
  .nav-item span {
    display: none;
  }
  .features-row {
    grid-template-columns: 1fr;
  }
  .plan-dashboard-grid {
    grid-template-columns: 1fr;
  }
  .analytics-grid {
    grid-template-columns: 1fr;
  }
  .note-view-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .note-sidebar {
    width: 100%;
    padding: 12px;
    border-radius: var(--border-radius-lg);
  }
  .note-sidebar-title {
    margin-bottom: 8px;
  }
  .note-sidebar-nav {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .note-nav-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 11px;
  }
  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
  }
  .hero-text {
    max-width: 100%;
    margin-bottom: 20px;
  }
  .hero-title {
    font-size: 26px;
  }
  .hero-graphic {
    max-width: 100%;
    height: 140px;
    margin-top: 8px;
    align-self: center;
  }
  .features-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card {
    height: 160px;
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
    gap: 16px;
  }
  .premium-benefits-list {
    grid-template-columns: 1fr;
  }
  .premium-plans-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 600px) {
  .sidebar {
    display: none !important;
  }

  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: #ffffff;
    border-top: 1px solid var(--color-border);
    justify-content: flex-start;
    align-items: center;
    z-index: 999;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.04);
    padding: 8px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .mobile-bottom-nav::-webkit-scrollbar {
    display: none;
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--color-text-secondary);
    font-size: 10px;
    font-weight: 500;
    flex: 0 0 auto;
    min-width: 68px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .mobile-nav-item svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
  }

  .mobile-nav-item.active {
    color: var(--color-green);
    font-weight: 600;
  }

  .app-container {
    flex-direction: column;
  }

  .main-area {
    width: 100%;
    height: calc(100vh - 64px); 
  }

  .view-container {
    padding: 16px;
    padding-bottom: 40px; 
  }

  .top-bar {
    padding: 0 16px;
    gap: 8px;
    height: 64px;
  }

  .search-box {
    flex-grow: 1;
    width: auto;
    min-width: 100px;
    padding: 8px 12px;
  }

  .search-input {
    font-size: 12px;
  }

  .search-box svg {
    width: 16px;
    height: 16px;
  }

  .auth-btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--border-radius-sm);
  }

  .action-btn-circle {
    width: 34px;
    height: 34px;
  }

  .user-badge {
    padding: 4px 8px 4px 4px;
  }

  .user-badge-avatar {
    width: 22px;
    height: 22px;
  }

  .user-badge-name {
    display: none; 
  }

  .hero-banner {
    padding: 20px;
    margin-bottom: 24px;
  }

  .hero-title {
    font-size: 20px;
  }

  .hero-subtitle {
    font-size: 12px;
    margin-bottom: 16px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 8px 16px;
    font-size: 12px;
    border-radius: var(--border-radius-sm);
  }

  .subject-header-banner {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .subject-header-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .subject-header-icon {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .subject-header-text h2 {
    font-size: 20px;
  }

  .subject-tabs {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
  }

  .sub-tab-btn {
    padding: 10px 16px;
    font-size: 13px;
    flex-shrink: 0;
  }

  .modal-card {
    border-radius: var(--border-radius-lg);
  }

  .premium-modal-header {
    padding: 24px 20px 16px 20px;
  }

  .premium-modal-body {
    padding: 0 20px 24px 20px;
  }

  .premium-benefits-list {
    margin-bottom: 20px;
    gap: 10px;
  }

  .premium-plans-grid {
    margin-bottom: 24px;
  }

  .auth-modal-header {
    padding: 24px 20px 12px 20px;
  }

  .auth-modal-body {
    padding: 0 20px 24px 20px;
  }

  .video-player-header {
    padding: 16px 20px;
  }

  .quiz-card {
    padding: 20px 16px;
  }

  .quiz-question-text {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .quiz-option-btn {
    padding: 12px 14px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .stats-bar {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .subject-grid {
    grid-template-columns: 1fr;
  }
}

.notification-dropdown {
  position: absolute;
  top: 50px;
  right: 0;
  width: 340px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideDown 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification-dropdown.active {
  display: flex;
}

.notif-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notif-header h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.notif-header button {
  font-size: 11px;
  color: var(--color-green);
  font-weight: 600;
  background: none;
  border: none;
  transition: var(--transition-fast);
}

.notif-header button:hover {
  text-decoration: underline;
}

.notif-list {
  display: flex;
  flex-direction: column;
  max-height: 280px;
  overflow-y: auto;
}

.notif-item {
  display: flex;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
}

.notif-item:hover {
  background-color: var(--color-bg-hover);
}

.notif-item.unread {
  background-color: var(--color-green-light);
}

.notif-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.notif-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

.notif-content strong {
  color: var(--color-text-primary);
}

.notif-time {
  font-size: 10px;
  color: var(--color-text-muted);
}

.search-dropdown {
  position: absolute;
  top: 50px;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  z-index: 1000;
  display: none;
  flex-direction: column;
  max-height: 320px;
  overflow-y: auto;
  animation: slideDown 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
}

.search-dropdown.active {
  display: flex;
}

.search-result-item {
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-result-item:hover {
  background-color: var(--color-bg-hover);
}

.search-result-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.search-result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.search-result-sub {
  font-size: 11px;
  color: var(--color-text-muted);
}

.search-result-empty {
  padding: 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}

.video-play-btn {
  color: var(--btn-color, var(--color-green)) !important;
}

.video-card:hover .video-play-btn {
  background-color: var(--btn-color, var(--color-green)) !important;
  color: #ffffff !important;
}

@media (max-width: 600px) {
  .notification-dropdown {
    width: 280px;
    top: 48px;
    right: -60px; 
  }
}

/* --- Dark Theme & Accessibility Fixes --- */
[data-theme="dark"] .mobile-bottom-nav {
  background-color: var(--color-surface);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .modal-card {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed !important;
  pointer-events: none;
}

/* --- Profile View Styling --- */
.profile-header-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--box-shadow-sm);
  flex-wrap: wrap;
}

.profile-avatar-large-wrapper {
  position: relative;
}

.profile-avatar-large {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-green);
  box-shadow: 0 4px 14px rgba(0, 168, 89, 0.2);
}

.profile-badge-status {
  position: absolute;
  bottom: 0;
  right: 0;
  background: var(--color-purple);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 12px;
  border: 2px solid var(--color-surface);
}

.profile-user-name {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.profile-user-email {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.profile-tags-row {
  display: flex;
  gap: 8px;
}

.profile-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.role-tag {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.status-tag {
  background: var(--color-green-light);
  color: var(--color-green);
}

.profile-nav-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.profile-tab-btn {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.profile-tab-btn:hover {
  color: var(--color-text-primary);
}

.profile-tab-btn.active {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.profile-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  text-align: center;
  box-shadow: var(--box-shadow-sm);
}

.stat-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.profile-section-heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.profile-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: var(--transition-fast);
}

.profile-history-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-sm);
}

.profile-settings-form {
  max-width: 500px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}