/**
 * Signal Copier Pro - Mobile Optimizations
 * 
 * Responsive styles for mobile devices.
 * Import after theme.css for mobile-first overrides.
 */

/* ==========================================================================
   MOBILE BREAKPOINTS
   ========================================================================== */

/* Laptop (up to 1024px) */
@media (max-width: 1024px) {
  .hide-laptop {
    display: none !important;
  }
}

/* Tablet (up to 768px) - Logged-in app layout */
@media (max-width: 768px) {
  /* Prevent horizontal scroll globally on mobile */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  /* Stack header + main vertically; fixed sidebar/overlay/bottom-nav don't take flow space */
  .app-shell {
    min-height: 100vh;
    overflow-x: hidden;
    flex-direction: column !important;
  }

  .app-shell .mobile-header {
    width: 100%;
    flex-shrink: 0;
  }

  .app-shell .app-main {
    flex: 1;
    min-width: 0;
    width: 100% !important;
  }

  .app-sidebar {
    position: fixed;
    left: -280px;
    width: 260px;
    z-index: 1001;
    transition: left 0.3s ease;
    height: 100vh;
    top: 0;
    visibility: visible;
  }

  .app-sidebar:not(.open) {
    pointer-events: none; /* don't capture taps when closed */
  }

  .app-sidebar.open {
    left: 0;
    pointer-events: auto;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .sidebar-overlay.active {
    display: block;
    opacity: 1;
  }

  .app-main {
    margin-left: 0 !important;
    width: 100% !important;
    padding-bottom: 72px !important; /* Room for fixed bottom nav */
  }

  /* Mobile header - must show on mobile so user can open sidebar */
  .mobile-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 12px;
  }

  .mobile-header .mobile-logo {
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
  }

  .mobile-menu-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-primary);
  }

  .mobile-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }

  /* Bottom nav - fixed at bottom, always horizontal row of 5 items */
  .bottom-nav {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 6px 4px;
    z-index: 999;
    max-height: 56px;
    margin: 0 !important;
    box-sizing: border-box;
  }

  .bottom-nav-item {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6px 2px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.65rem;
    transition: color 0.2s;
  }

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

  .bottom-nav-item .icon {
    font-size: 1.15rem;
    margin-bottom: 2px;
    flex-shrink: 0;
  }

  /* Grid adjustments */
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr) !important;
  }

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

  .hide-tablet {
    display: none !important;
  }

  /* Header adjustments */
  .app-header {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 12px;
  }

  .app-header h1 {
    font-size: 1.25rem !important;
  }

  /* Table responsiveness */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px;
  }

  table {
    min-width: 600px;
  }

  /* Compact cards */
  .card {
    border-radius: 8px;
  }

  .card-header {
    padding: 12px 16px;
  }

  .card-header h3 {
    font-size: 0.95rem;
  }

  /* Platform grid for connect page */
  .platforms-grid {
    grid-template-columns: 1fr !important;
  }

  /* Filter/toolbar adjustments */
  .filter-bar,
  .toolbar {
    flex-direction: column;
    gap: 8px;
  }

  .filter-bar input,
  .filter-bar select,
  .filter-input {
    width: 100%;
    min-width: 0 !important;
  }

  /* Exchange card actions - stack on mobile */
  .exchange-card {
    flex-wrap: wrap !important;
    gap: 0.75rem !important;
  }

  .exchange-actions {
    width: 100%;
    justify-content: flex-start !important;
    margin-left: 0 !important;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
  }

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

  .exchange-name {
    word-break: break-word;
  }

  /* Share buttons wrap */
  .share-buttons {
    flex-wrap: wrap !important;
    gap: 0.5rem !important;
  }

  .share-btn {
    flex: 1 1 auto;
    min-width: 100px;
    text-align: center;
  }

  /* Referral items */
  .referral-item {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  /* Analytics tabs scroll */
  .analytics-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
  }

  .analytics-tabs .tab,
  .analytics-tabs button {
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Alert card layout */
  .alert-header {
    flex-wrap: wrap !important;
    gap: 0.5rem;
  }

  .alert-footer {
    flex-wrap: wrap !important;
    gap: 0.5rem;
  }

  /* Pricing - profit share rates */
  .profit-share-rates {
    flex-wrap: wrap !important;
    gap: 0.75rem !important;
  }

  /* Billing toggle */
  .billing-toggle {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Standard mobile (up to 480px) */
@media (max-width: 480px) {
  .app-main {
    padding: 12px !important;
    padding-bottom: 80px !important; /* Room for bottom nav */
  }

  /* Stack ALL grids to single column */
  .stats-grid,
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr !important;
  }

  /* Compact stat cards */
  .stat-card {
    padding: 12px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  /* Form elements touch-friendly */
  input, select, textarea {
    min-height: 44px;
    font-size: 16px !important; /* Prevent iOS zoom */
  }

  .btn {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  /* Modal full-screen on mobile */
  .modal-overlay {
    padding: 0 !important;
    align-items: flex-end !important;
  }

  .modal-overlay .modal,
  .modal-overlay .modal-content {
    max-width: 100% !important;
    max-height: 95vh !important;
    border-radius: 16px 16px 0 0 !important;
    margin: 0 !important;
    width: 100% !important;
  }

  .modal-body {
    max-height: 70vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Bottom navigation */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 6px 4px;
    z-index: 100;
  }

  .bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 2px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.65rem;
    transition: color 0.2s;
  }

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

  .bottom-nav-item .icon {
    font-size: 1.15rem;
    margin-bottom: 2px;
  }

  /* App content padding */
  .app-content {
    padding: 0 !important;
  }

  /* Tabs - scrollable */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
  }

  .tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Exchange cards - full stack on small phones */
  .exchange-card {
    padding: 0.75rem !important;
  }

  .exchange-icon {
    width: 36px !important;
    height: 36px !important;
    font-size: 1rem !important;
  }

  .exchange-badge {
    font-size: 0.65rem !important;
    padding: 2px 6px !important;
  }

  /* Exchanges grid on standalone page */
  .exchanges-grid {
    grid-template-columns: 1fr !important;
  }

  /* Reward boxes */
  .reward-boxes {
    grid-template-columns: 1fr !important;
  }

  /* 2FA inputs */
  .verification-inputs input,
  .mfa-inputs input {
    width: 38px !important;
    height: 44px !important;
    font-size: 1.1rem !important;
  }

  /* Footer links */
  .footer-links {
    flex-wrap: wrap !important;
    gap: 0.75rem !important;
  }

  /* Terminal code block on landing */
  .terminal,
  .code-block,
  pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    font-size: 0.75rem !important;
  }

  /* Leaderboard modal grids */
  .leaderboard-detail-grid,
  .modal .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Small phones (up to 375px) */
@media (max-width: 375px) {
  :root {
    --font-size-base: 0.85rem;
    --font-size-lg: 0.95rem;
  }

  .card-header h3 {
    font-size: 0.85rem;
  }

  .stat-value {
    font-size: 1.1rem;
  }

  .app-main {
    padding: 8px !important;
    padding-bottom: 80px !important;
  }
}

/* ==========================================================================
   MOBILE UTILITIES
   ========================================================================== */

/* Desktop: hide mobile header and bottom nav (they're for mobile only) */
@media (min-width: 769px) {
  .mobile-header {
    display: none !important;
  }

  .mobile-only {
    display: none !important;
  }
}

/* Mobile: show mobile-only elements (bottom nav); mobile-header is shown in 768px block above */
@media (max-width: 768px) {
  .mobile-only {
    display: flex !important; /* flex for bottom-nav layout */
  }

  .desktop-only {
    display: none !important;
  }
}

/* ==========================================================================
   AUTH PAGES MOBILE (login, register, forgot-password, reset-password)
   ========================================================================== */
@media (max-width: 768px) {
  .auth-page {
    padding: 16px;
  }

  .auth-container,
  .container {
    max-width: 100% !important;
    padding: 16px !important;
    margin: 16px auto !important;
  }

  .auth-card,
  .form-card {
    padding: 20px !important;
    border-radius: 12px !important;
  }

  .form-row {
    grid-template-columns: 1fr !important;
  }

  /* Auth decorative elements */
  .floating-orb,
  .auth-decoration {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .auth-container,
  .container {
    padding: 12px !important;
    margin: 8px auto !important;
  }

  .auth-card,
  .form-card {
    padding: 16px !important;
  }

  .auth-title,
  .auth-container h1,
  .auth-page h1 {
    font-size: 1.5rem !important;
  }
}

/* ==========================================================================
   LANDING PAGE MOBILE (index.html)
   ========================================================================== */
@media (max-width: 768px) {
  /* Navigation - scope to landing page nav only */
  .nav-container {
    padding: 12px 16px;
  }

  .nav-actions .btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  /* Hero - needs enough top padding for the fixed nav (~70px) */
  .hero {
    padding: 100px 16px 40px !important;
    text-align: center;
  }

  .hero h1 {
    font-size: 2rem !important;
    line-height: 1.2;
  }

  .hero p {
    font-size: 1rem !important;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }

  .hero-cta .btn {
    width: 100%;
  }

  /* Sections */
  section {
    padding: 40px 16px !important;
  }

  .section-title {
    font-size: 1.5rem !important;
  }

  /* Feature grid */
  .features-grid,
  .steps-grid,
  .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Stats */
  .stats-bar {
    flex-direction: column;
    gap: 16px;
  }

  .stat-number {
    font-size: 1.75rem !important;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr !important;
  }

  /* Pricing cards */
  .pricing-card {
    padding: 20px !important;
  }
}

/* ==========================================================================
   SETTINGS PAGE MOBILE
   ========================================================================== */
@media (max-width: 768px) {
  /* Settings uses its own sidebar */
  .sidebar {
    position: fixed !important;
    left: -280px !important;
    width: 260px !important;
    z-index: 1001 !important;
    transition: left 0.3s ease !important;
    height: 100vh !important;
    top: 0 !important;
  }

  .sidebar.open {
    left: 0 !important;
  }

  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
  }

  /* Settings form layout */
  .form-grid,
  .exchange-grid,
  .channel-grid {
    grid-template-columns: 1fr !important;
  }

  .form-row {
    grid-template-columns: 1fr !important;
  }

  /* Settings cards */
  .settings-card {
    padding: 16px !important;
  }
}

/* ==========================================================================
   SPECIFIC PAGE FIXES
   ========================================================================== */

/* Analytics page */
@media (max-width: 768px) {
  .channel-stats {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .channel-cards {
    grid-template-columns: 1fr !important;
  }

  .pair-performance {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .channel-stats {
    grid-template-columns: 1fr !important;
  }
}

/* Alerts page */
@media (max-width: 768px) {
  .alert-types-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Exchanges page */
@media (max-width: 768px) {
  .exchange-stats {
    grid-template-columns: 1fr !important;
  }

  .exchanges-grid {
    grid-template-columns: 1fr !important;
  }

  .limits-banner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* Security page */
@media (max-width: 480px) {
  .backup-codes {
    grid-template-columns: 1fr !important;
  }

  .verification-input {
    width: 40px !important;
    height: 48px !important;
  }
}

/* Onboarding page */
@media (max-width: 768px) {
  .progress-steps {
    flex-direction: column;
    gap: 8px;
  }

  .step-card {
    padding: 16px !important;
  }
}

/* Help page */
@media (max-width: 768px) {
  .help-grid {
    grid-template-columns: 1fr !important;
  }

  .chat-card {
    height: auto !important;
    min-height: 400px;
  }
}

/* Admin page */
@media (max-width: 768px) {
  .admin-grid {
    grid-template-columns: 1fr !important;
  }

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

  /* Override inline grid-template-columns on admin page */
  .app-main div[style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
  }

  .app-main div[style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 480px) {
  .admin-stats {
    grid-template-columns: 1fr !important;
  }

  .app-main div[style*="grid-template-columns: repeat(4"] {
    grid-template-columns: 1fr !important;
  }
}

/* Docs page */
@media (max-width: 768px) {
  .docs-sidebar {
    display: none;
  }

  .docs-content {
    margin-left: 0 !important;
    width: 100% !important;
  }
}

/* Leaderboard modal */
@media (max-width: 768px) {
  .leaderboard-detail-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Trades edit modal - stack grids */
  #edit-trade-info > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  .action-section > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .leaderboard-detail-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Pricing page */
@media (max-width: 768px) {
  .profit-share-rates {
    flex-wrap: wrap !important;
    gap: var(--space-3) !important;
  }

  .profit-share-rates .rate-item {
    flex: 1 1 calc(50% - var(--space-3));
    min-width: 0;
    text-align: center;
  }

  .billing-toggle {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }

  .pricing-page,
  .pricing-wrapper {
    padding: var(--space-4) !important;
  }
}

@media (max-width: 480px) {
  .profit-share-rates .rate-item {
    flex: 1 1 100%;
  }
}

/* Referrals page */
@media (max-width: 768px) {
  .referral-stats-grid,
  .reward-boxes {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .how-it-works-grid,
  .how-it-works {
    grid-template-columns: 1fr !important;
  }

  .referral-link-box {
    flex-direction: column;
  }

  .referral-link-box input {
    width: 100%;
  }
}

/* Journal page */
@media (max-width: 1024px) {
  .calendar-wrapper {
    grid-template-columns: 1fr !important;
  }

  .insight-grid,
  .calc-grid {
    grid-template-columns: 1fr !important;
  }

  .daily-panel {
    position: static !important;
  }
}

@media (max-width: 768px) {
  .journal-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100% !important;
  }

  .journal-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .trade-review-details {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .trade-review-meta {
    flex-wrap: wrap;
  }

  .trade-filter-bar {
    flex-direction: column;
  }

  .trade-filter-bar select,
  .trade-filter-bar input {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .trade-review-details {
    grid-template-columns: 1fr !important;
  }

  .mood-selector {
    justify-content: center;
  }

  .bias-selector {
    flex-direction: column;
  }

  .calendar-day {
    min-height: 40px !important;
    font-size: var(--font-size-xs) !important;
  }

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

/* ==========================================================================
   TOUCH OPTIMIZATIONS
   ========================================================================== */

/* Larger tap targets */
.touch-target {
  min-width: 44px;
  min-height: 44px;
}

/* Remove hover effects on touch */
@media (hover: none) {
  .btn:hover,
  .card:hover,
  a:hover {
    transform: none;
  }

  .btn:active {
    transform: scale(0.98);
  }
}

/* Prevent text selection on double-tap */
.no-select {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Safe area padding for notched devices */
@supports (padding-top: env(safe-area-inset-top)) {
  .mobile-header {
    padding-top: calc(12px + env(safe-area-inset-top));
  }

  .bottom-nav {
    padding-bottom: calc(6px + env(safe-area-inset-bottom));
  }
}

/* ==========================================================================
   DARK/LIGHT MODE MOBILE ADJUSTMENTS
   ========================================================================== */

[data-theme="light"] .mobile-header {
  background: var(--bg-card);
}

[data-theme="light"] .bottom-nav {
  background: var(--bg-card);
}

[data-theme="light"] .sidebar-overlay.active {
  background: rgba(0, 0, 0, 0.3);
}