:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

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

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* Islamic-themed PAI Learning App Styles */

/* Additional Islamic color variables */
:root {
  --color-islamic-green: #2E7D32;
  --color-islamic-gold: #FFB300;
  --color-islamic-light-green: #4CAF50;
  --color-islamic-dark-green: #1B5E20;
  --color-quran-bg: #F8F9FA;
  --color-ayat-border: #E8F5E8;
}

/* Dark mode Islamic colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-islamic-green: #4CAF50;
    --color-islamic-gold: #FFC107;
    --color-islamic-light-green: #66BB6A;
    --color-islamic-dark-green: #2E7D32;
    --color-quran-bg: #2A2A2A;
    --color-ayat-border: #404040;
  }
}

[data-color-scheme="dark"] {
  --color-islamic-green: #4CAF50;
  --color-islamic-gold: #FFC107;
  --color-islamic-light-green: #66BB6A;
  --color-islamic-dark-green: #2E7D32;
  --color-quran-bg: #2A2A2A;
  --color-ayat-border: #404040;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--color-islamic-green), var(--color-islamic-dark-green));
  color: white;
  padding: var(--space-16) 0;
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.logo h1 {
  color: white;
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.subtitle {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  font-weight: var(--font-weight-normal);
}

.nav {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.nav-link {
  background: transparent;
  border: 2px solid transparent;
  color: white;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  font-weight: var(--font-weight-medium);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.nav-link.active {
  background: white;
  color: var(--color-islamic-green);
  border-color: white;
}

/* Main content */
.main {
  min-height: calc(100vh - 120px);
  padding: var(--space-32) 0;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.page-header {
  text-align: center;
  margin-bottom: var(--space-32);
}

.page-header h2 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-8);
}

/* Welcome section */
.welcome-section {
  text-align: center;
  margin-bottom: var(--space-32);
  padding: var(--space-32);
  background: linear-gradient(135deg, var(--color-islamic-light-green), var(--color-islamic-green));
  border-radius: var(--radius-lg);
  color: white;
}

.welcome-section h2 {
  color: white;
  margin-bottom: var(--space-16);
}

.welcome-section p {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* Bab cards */
.bab-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.bab-card {
  transition: transform var(--duration-normal) var(--ease-standard);
}

.bab-card:hover {
  transform: translateY(-4px);
}

.bab-number {
  background: var(--color-islamic-gold);
  color: var(--color-text);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  display: inline-block;
  margin-bottom: var(--space-12);
}

.bab-card h3 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-12);
  line-height: var(--line-height-tight);
}

.card-actions {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  flex-wrap: wrap;
}

.card-actions .btn {
  flex: 1;
  min-width: 120px;
}

/* Materi layout */
.materi-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-32);
}

.sidebar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  height: fit-content;
  border: 1px solid var(--color-border);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12);
  border-radius: var(--radius-base);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  text-align: left;
  width: 100%;
}

.sidebar-item:hover {
  background: var(--color-secondary);
}

.sidebar-item.active {
  background: var(--color-islamic-green);
  color: white;
}

.bab-num {
  background: var(--color-islamic-gold);
  color: var(--color-text);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.sidebar-item.active .bab-num {
  background: white;
  color: var(--color-islamic-green);
}

.bab-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Materi content */
.materi-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

.materi-detail {
  display: none;
}

.materi-detail.active {
  display: block;
}

.materi-detail h3 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-16);
}

.materi-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-24);
  line-height: var(--line-height-normal);
}

/* Ayat section */
.ayat-section {
  margin-bottom: var(--space-32);
}

.ayat-section h4 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-16);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.ayat-card {
  background: var(--color-quran-bg);
  border: 1px solid var(--color-ayat-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  margin-bottom: var(--space-16);
}

.ayat-header {
  font-weight: var(--font-weight-bold);
  color: var(--color-islamic-green);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-sm);
}

.ayat-arab {
  font-family: 'Amiri', serif;
  font-size: var(--font-size-3xl);
  text-align: right;
  line-height: 1.8;
  margin-bottom: var(--space-16);
  color: var(--color-text);
  direction: rtl;
}

.ayat-latin {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-md);
}

.ayat-arti {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
}

/* Sub materi accordion */
.sub-materi {
  margin-bottom: var(--space-32);
}

.sub-materi h4 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-16);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  padding: var(--space-16);
  background: var(--color-surface);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-normal) var(--ease-standard);
  user-select: none;
}

.accordion-header:hover {
  background: var(--color-secondary);
}

.accordion-header.active {
  background: var(--color-islamic-green);
  color: white;
}

.accordion-content {
  padding: var(--space-16);
  background: var(--color-background);
  display: none;
  line-height: var(--line-height-normal);
}

.accordion-content.active {
  display: block;
}

/* Cabang iman */
.cabang-iman h4 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-20);
}

.cabang-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  margin-bottom: var(--space-16);
}

.cabang-card h5 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-12);
}

.cabang-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

.tanda-list strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-8);
}

.tanda-list ul {
  margin: 0;
  padding-left: var(--space-20);
}

.tanda-list li {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-normal);
}

/* Akhlak section */
.akhlak-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.akhlak-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
}

.akhlak-card.mahmudah {
  border-color: var(--color-islamic-green);
}

.akhlak-card.madzmumah {
  border-color: var(--color-error);
}

.akhlak-card h4 {
  margin-bottom: var(--space-16);
}

.akhlak-card.mahmudah h4 {
  color: var(--color-islamic-green);
}

.akhlak-card.madzmumah h4 {
  color: var(--color-error);
}

.akhlak-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-8);
}

.akhlak-item {
  background: var(--color-secondary);
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius-base);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.mahmudah .akhlak-item {
  background: rgba(46, 125, 50, 0.1);
  color: var(--color-islamic-green);
}

.madzmumah .akhlak-item {
  background: rgba(192, 21, 47, 0.1);
  color: var(--color-error);
}

/* Penerapan section */
.penerapan-section h4 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-20);
}

.penerapan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-20);
}

.penerapan-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
}

.penerapan-card h5 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-12);
}

.penerapan-card ul {
  margin: 0;
  padding-left: var(--space-20);
}

.penerapan-card li {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-normal);
}

/* Kuis styles */
.kuis-selection h3 {
  text-align: center;
  color: var(--color-islamic-green);
  margin-bottom: var(--space-24);
}

.kuis-bab-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-20);
}

.kuis-bab-card {
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
}

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

.kuis-bab-card h4 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-8);
}

.kuis-bab-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Active kuis */
.kuis-active {
  max-width: 800px;
  margin: 0 auto;
}

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

.kuis-info span {
  display: block;
}

.kuis-info span:first-child {
  font-weight: var(--font-weight-bold);
  color: var(--color-islamic-green);
}

.kuis-info span:last-child {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.kuis-timer {
  background: var(--color-islamic-gold);
  color: var(--color-text);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.progress-bar {
  background: var(--color-secondary);
  height: 8px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-24);
  overflow: hidden;
}

.progress-fill {
  background: var(--color-islamic-green);
  height: 100%;
  width: 0%;
  transition: width var(--duration-normal) var(--ease-standard);
}

.soal-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
  border: 1px solid var(--color-border);
}

.soal-number {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

.soal-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-20);
  line-height: var(--line-height-normal);
}

.pilihan-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.pilihan {
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  text-align: left;
  width: 100%;
}

.pilihan:hover {
  border-color: var(--color-islamic-light-green);
  background: var(--color-secondary);
}

.pilihan.selected {
  border-color: var(--color-islamic-green);
  background: rgba(46, 125, 50, 0.1);
}

.pilihan.correct {
  border-color: var(--color-success);
  background: rgba(33, 128, 141, 0.1);
}

.pilihan.wrong {
  border-color: var(--color-error);
  background: rgba(192, 21, 47, 0.1);
}

.kuis-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-16);
}

/* Kuis result */
.kuis-result {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.result-header {
  margin-bottom: var(--space-32);
}

.result-header h3 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-20);
}

.score-circle {
  background: linear-gradient(135deg, var(--color-islamic-green), var(--color-islamic-light-green));
  color: white;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

.score-total {
  font-size: var(--font-size-lg);
  opacity: 0.9;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-16);
  margin-bottom: var(--space-32);
}

.summary-item {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid var(--color-border);
}

.summary-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.summary-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-islamic-green);
}

.result-actions {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
  flex-wrap: wrap;
}

/* Tentang page */
.tentang-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  max-width: 800px;
  margin: 0 auto;
}

.tentang-content h3 {
  color: var(--color-islamic-green);
  margin-bottom: var(--space-16);
}

.tentang-content h4 {
  color: var(--color-islamic-green);
  margin: var(--space-16) 0 var(--space-8) 0;
}

.tentang-content ul {
  padding-left: var(--space-20);
}

.tentang-content li {
  margin-bottom: var(--space-8);
  line-height: var(--line-height-normal);
}

/* Utility classes */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    text-align: center;
  }

  .nav {
    justify-content: center;
  }

  .bab-cards {
    grid-template-columns: 1fr;
  }

  .materi-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .materi-content {
    order: 1;
  }

  .sidebar-menu {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-4);
  }

  .sidebar-item {
    flex-shrink: 0;
    min-width: 200px;
  }

  .akhlak-section {
    grid-template-columns: 1fr;
  }

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

  .kuis-header {
    flex-direction: column;
    gap: var(--space-12);
    text-align: center;
  }

  .kuis-actions {
    flex-direction: column;
  }

  .result-summary {
    grid-template-columns: 1fr;
  }

  .result-actions {
    flex-direction: column;
  }

  .card-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .main {
    padding: var(--space-16) 0;
  }

  .welcome-section {
    padding: var(--space-20);
  }

  .materi-content,
  .soal-container {
    padding: var(--space-16);
  }

  .ayat-arab {
    font-size: var(--font-size-2xl);
  }
}