/* ============================================================
   SlotDrop Design System
   Altazi Labs — Vanilla CSS, Mobile-First
   ============================================================ */

/* ─── CSS RESET ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ─── DESIGN TOKENS ─── */
:root {
  /* Colors — Light Theme */
  --color-primary: #6C5CE7;
  --color-primary-hover: #5A4BD6;
  --color-primary-pressed: #4A3BC6;
  --color-primary-light: rgba(108, 92, 231, 0.15);
  --color-primary-subtle: rgba(108, 92, 231, 0.08);

  --color-dark: #2D3436;
  --color-gray: #636E72;
  --color-gray-light: #B2BEC3;
  --color-gray-lighter: #DFE6E9;

  --color-bg-page: #F5F6FA;
  --color-bg-card: #FFFFFF;
  --color-bg-section: #F0F1F6;
  --color-bg-hover: #ECEDF5;

  --color-text-primary: #2D3436;
  --color-text-secondary: #636E72;
  --color-text-tertiary: #B2BEC3;
  --color-text-on-primary: #FFFFFF;
  --color-text-link: #6C5CE7;

  --color-border: #DFE6E9;
  --color-border-input: #B2BEC3;
  --color-border-focus: #6C5CE7;

  --color-success: #00B894;
  --color-success-light: rgba(0, 184, 148, 0.12);
  --color-error: #D63031;
  --color-error-light: rgba(214, 48, 49, 0.12);
  --color-warning: #FDCB6E;
  --color-warning-light: rgba(253, 203, 110, 0.12);
  --color-info: #74B9FF;

  --color-overlay: rgba(0, 0, 0, 0.25);
  --color-backdrop: rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --font-size-h1: 2rem;
  --font-size-h2: 1.5rem;
  --font-size-h3: 1.25rem;
  --font-size-body-lg: 1.125rem;
  --font-size-body: 1rem;
  --font-size-body-sm: 0.875rem;
  --font-size-caption: 0.8125rem;
  --font-size-label: 0.75rem;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-heading: 1.25;
  --line-height-body: 1.6;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Layout */
  --header-height: 64px;
  --header-height-mobile: 56px;
  --max-width-page: 1200px;
  --max-width-content: 800px;
  --max-width-narrow: 480px;
  --sidebar-width: 260px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 5px rgba(45, 52, 54, 0.04),
               0 8px 15px rgba(45, 52, 54, 0.03),
               0 30px 50px rgba(45, 52, 54, 0.08);
  --shadow-xl: 0 20px 40px rgba(45, 52, 54, 0.12);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-default: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* ─── DARK MODE ─── */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #A29BFE;
    --color-primary-hover: #B8B3FF;
    --color-primary-pressed: #8C83F2;
    --color-primary-light: rgba(162, 155, 254, 0.2);
    --color-primary-subtle: rgba(162, 155, 254, 0.08);

    --color-dark: #F5F6FA;
    --color-gray: #B2BEC3;
    --color-gray-light: #636E72;
    --color-gray-lighter: #3D4448;

    --color-bg-page: #1A1A2E;
    --color-bg-card: #222240;
    --color-bg-section: #1E1E36;
    --color-bg-hover: #2A2A4A;

    --color-text-primary: #F5F6FA;
    --color-text-secondary: #B2BEC3;
    --color-text-tertiary: #636E72;
    --color-text-on-primary: #1A1A2E;
    --color-text-link: #A29BFE;

    --color-border: #3D4448;
    --color-border-input: #636E72;
    --color-border-focus: #A29BFE;

    --color-overlay: rgba(0, 0, 0, 0.5);
    --color-backdrop: rgba(0, 0, 0, 0.75);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 4px 5px rgba(0, 0, 0, 0.15),
                 0 8px 15px rgba(0, 0, 0, 0.12),
                 0 30px 50px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
  }
}

/* ─── GLOBAL STYLES ─── */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  line-height: var(--line-height-body);
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  color: var(--color-text-secondary);
}

.text-sm { font-size: var(--font-size-body-sm); }
.text-lg { font-size: var(--font-size-body-lg); }
.text-caption { font-size: var(--font-size-caption); }
.text-label {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

/* ─── LINKS ─── */
a.link {
  color: var(--color-text-link);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}
a.link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ─── FOCUS STATES (Accessible) ─── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-default);
  white-space: nowrap;
  line-height: 1.4;
  min-height: 42px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background-color: var(--color-primary-pressed);
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-gray-light);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-primary-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-success {
  background-color: var(--color-success);
  color: #FFFFFF;
}
.btn-success:hover {
  opacity: 0.9;
}

.btn-error {
  background-color: var(--color-error);
  color: #FFFFFF;
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--font-size-body);
  min-height: 50px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: var(--font-size-caption);
  min-height: 34px;
}

.btn-full {
  width: 100%;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ─── FORM INPUTS ─── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--font-size-body-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-gray);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636E72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-hint {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
}

.form-error {
  font-size: var(--font-size-caption);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* ─── CARDS ─── */
.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-flat {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card-elevated {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: var(--space-6);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ─── BADGES ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}
.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}
.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}
.badge-warning {
  background-color: var(--color-warning-light);
  color: #B87F00;
}
.badge-neutral {
  background-color: var(--color-bg-section);
  color: var(--color-text-secondary);
}

/* ─── AVATAR ─── */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-body-sm);
  flex-shrink: 0;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-caption); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--font-size-h3); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--font-size-h1); }

/* ─── DIVIDER ─── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

/* ─── TOGGLE ─── */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--color-gray-lighter);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-default);
  flex-shrink: 0;
}

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-default);
  box-shadow: var(--shadow-sm);
}

.toggle:checked {
  background-color: var(--color-primary);
}

.toggle:checked::after {
  transform: translateX(20px);
}

/* ─── TOOLTIP ─── */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  font-size: var(--font-size-caption);
  color: #fff;
  background-color: var(--color-dark);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 100;
}

.tooltip:hover::after {
  opacity: 1;
}

/* ─── LAYOUT UTILITIES ─── */
.container {
  width: 100%;
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ─── NAVIGATION (Public Pages) ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height-mobile);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: var(--space-2) 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
}

.nav-toggle:hover {
  background-color: var(--color-bg-hover);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-card);
  z-index: 999;
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  overflow-y: auto;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-size: var(--font-size-body-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

/* ─── HERO SECTION ─── */
.hero {
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero p {
  font-size: var(--font-size-body-lg);
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.hero-visual {
  margin-top: var(--space-12);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-visual img {
  width: 100%;
}

/* ─── SECTION ─── */
.section {
  padding: var(--space-16) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

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

/* ─── FEATURES ─── */
.feature-card {
  padding: var(--space-8);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.feature-card h3 {
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: var(--font-size-body-sm);
}

/* ─── PRICING ─── */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.pricing-toggle-label {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.pricing-toggle-label.active {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.pricing-save {
  background-color: var(--color-success-light);
  color: var(--color-success);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-bold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.pricing-grid {
  display: grid;
  gap: var(--space-6);
}

.pricing-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  position: relative;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
  transition: border-color var(--transition-default);
}

.pricing-card.recommended {
  border-color: var(--color-primary);
}

.pricing-badge {
  position: absolute;
  top: -1px;
  right: -1px;
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-bold);
  padding: 6px 14px;
  border-radius: 0 var(--radius-xl) 0 var(--radius-md);
}

.pricing-plan {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.pricing-desc {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  min-height: 40px;
}

.pricing-price {
  margin-bottom: var(--space-6);
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.pricing-period {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  margin-left: var(--space-1);
}

.pricing-features {
  flex: 1;
  margin-bottom: var(--space-6);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  background: var(--color-success);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
}

/* ─── FOOTER ─── */
.footer {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer-brand p {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
  max-width: 280px;
}

.footer-col h4 {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.footer-col a {
  display: block;
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
}

/* ─── AUTH PAGES ─── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height-mobile));
  padding: var(--space-8) var(--space-5);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-10) var(--space-8);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-header h1 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-2);
}

.auth-header p {
  font-size: var(--font-size-body-sm);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-caption);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--color-border);
}

.auth-social {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-social .btn {
  justify-content: center;
  gap: var(--space-3);
}

.auth-social .btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ─── DASHBOARD LAYOUT ─── */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  display: none;
  flex-direction: column;
  width: var(--sidebar-width);
  background-color: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 900;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height-mobile);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-4);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.sidebar-link.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active svg {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Dashboard main area */
.main-content {
  flex: 1;
  min-height: 100vh;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height-mobile);
  padding: 0 var(--space-5);
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 800;
}

.top-bar-title {
  font-size: var(--font-size-body-lg);
  font-weight: var(--font-weight-bold);
}

.page-content {
  padding: var(--space-6) var(--space-5);
}

/* Mobile bottom nav */
.bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  z-index: 800;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-1);
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
}

.bottom-nav-item.active {
  color: var(--color-primary);
}

/* ─── STATS ─── */
.stats-grid {
  display: grid;
  gap: var(--space-4);
}

.stat-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.stat-label {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.stat-change {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
}

.stat-change.up { color: var(--color-success); }
.stat-change.down { color: var(--color-error); }

/* ─── EVENT TYPE LIST ─── */
.event-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.event-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-default);
  border-left: 4px solid var(--color-primary);
}

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

.event-item-info {
  flex: 1;
  min-width: 0;
}

.event-item-name {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.event-item-meta {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.event-item-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ─── BOOKING LIST ─── */
.booking-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.booking-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.booking-date {
  text-align: center;
  flex-shrink: 0;
  min-width: 48px;
}

.booking-date-day {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-primary);
}

.booking-date-month {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.booking-info {
  flex: 1;
  min-width: 0;
}

.booking-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.booking-meta {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* ─── BOOKING PAGE (Public) ─── */
.book-page {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-6) var(--space-5);
}

.book-card {
  width: 100%;
  max-width: 900px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.book-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.book-host {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.book-host-name {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
}

.book-event-name {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.book-event-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
}

.book-event-details span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.book-body {
  display: flex;
  flex-direction: column;
}

.book-calendar-section {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.book-slots-section {
  padding: var(--space-6);
}

/* ─── CALENDAR ─── */
.calendar {
  width: 100%;
  max-width: 350px;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.calendar-month {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
}

.calendar-nav {
  display: flex;
  gap: var(--space-2);
}

.calendar-nav button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

.calendar-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}

.calendar-weekday {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  padding: var(--space-2) 0;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-primary);
}

.calendar-day:hover:not(.disabled):not(.empty) {
  background-color: var(--color-primary-light);
}

.calendar-day.today {
  font-weight: var(--font-weight-bold);
  border: 1.5px solid var(--color-primary);
}

.calendar-day.selected {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  font-weight: var(--font-weight-bold);
}

.calendar-day.disabled {
  color: var(--color-text-tertiary);
  cursor: not-allowed;
  opacity: 0.4;
}

.calendar-day.empty {
  cursor: default;
}

.calendar-day.has-slots {
  font-weight: var(--font-weight-bold);
}

/* ─── TIME SLOTS ─── */
.slots-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 360px;
  overflow-y: auto;
  padding-right: var(--space-2);
}

.slot-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px var(--space-4);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  background-color: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

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

.slot-confirm {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ─── TIMEZONE SELECTOR ─── */
.timezone-select {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  padding: var(--space-3) 0;
}

.timezone-select svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.timezone-select select {
  border: none;
  background: none;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
}

.timezone-select select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ─── BOOKING FORM ─── */
.book-form {
  padding: var(--space-6);
}

.book-form-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.book-form-back {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.book-form-back:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

/* ─── CONFIRMATION ─── */
.confirmation {
  padding: var(--space-10) var(--space-6);
  text-align: center;
}

.confirmation-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  background-color: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
}

.confirmation-icon svg {
  width: 32px;
  height: 32px;
}

.confirmation h2 {
  margin-bottom: var(--space-2);
}

.confirmation-details {
  margin-top: var(--space-6);
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  background-color: var(--color-bg-section);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.confirmation-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-body-sm);
}

.confirmation-detail svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.confirmation-actions {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

/* ─── POWERED BY BADGE ─── */
.powered-by {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  border-top: 1px solid var(--color-border);
}

.powered-by a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.powered-by a:hover {
  text-decoration: underline;
}

/* ─── EMPTY STATE ─── */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--color-text-tertiary);
}

.empty-state h3 {
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--font-size-body-sm);
  margin-bottom: var(--space-6);
}

/* ─── LOADING SPINNER ─── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

/* ─── TOAST / NOTIFICATIONS ─── */
.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--color-primary);
  font-size: var(--font-size-body-sm);
  animation: slideIn 0.3s ease;
  max-width: 380px;
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-error); }
.toast.warning { border-left-color: var(--color-warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── MODAL ─── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--color-backdrop);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-default), visibility var(--transition-default);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-default);
}

.modal-backdrop.open .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: var(--font-size-body-lg);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ─── AVAILABILITY EDITOR ─── */
.avail-day {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.avail-day-label {
  width: 80px;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.avail-times {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  flex: 1;
}

.avail-time-input {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-body-sm);
}

.avail-time-input input[type="time"] {
  padding: 6px 10px;
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body-sm);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-property: opacity, color, background-color, border-color !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── RESPONSIVE BREAKPOINTS ─── */

/* 480px+ — Small phones */
@media (min-width: 480px) {
  :root {
    --font-size-h1: 2.25rem;
  }

  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px+ — Tablets */
@media (min-width: 768px) {
  :root {
    --font-size-h1: 2.75rem;
    --font-size-h2: 1.75rem;
  }

  .nav {
    height: var(--header-height);
  }

  .container {
    padding: 0 var(--space-8);
  }

  .hero {
    padding: var(--space-20) 0 var(--space-16);
  }

  .hero p {
    font-size: var(--font-size-body-lg);
  }

  .section {
    padding: var(--space-20) 0;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .book-body {
    flex-direction: row;
  }

  .book-calendar-section {
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    min-width: 360px;
  }

  .auth-page {
    min-height: calc(100vh - var(--header-height));
  }
}

/* 1024px+ — Small desktop */
@media (min-width: 1024px) {
  :root {
    --font-size-h1: 3.125rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
  }

  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  /* Dashboard sidebar visible */
  .sidebar {
    display: flex;
  }

  .main-content {
    margin-left: var(--sidebar-width);
  }

  .bottom-nav {
    display: none;
  }

  .top-bar .nav-toggle {
    display: none;
  }
}

/* 1200px+ — Desktop */
@media (min-width: 1200px) {
  .hero h1 {
    font-size: 3.5rem;
  }

  .feature-card {
    padding: var(--space-10);
  }
}