/*
 * Digital Voices Grand Fix — v10.172.0 UX Renaissance
 *
 * DESKTOP : sidebar nav (240px) + content area, clean cards, proper grid
 * MOBILE  : bottom tab bar, full-width cards, large touch targets, breathing space
 * PWA     : view transitions, smooth animations, native-feel interactions
 * TOAST   : branded notification toasts (top-right desktop, top-center mobile)
 */

/* ═══════════════════════════════════════════════════════════════════
   0. CSS CUSTOM PROPERTIES
═══════════════════════════════════════════════════════════════════ */
:root {
  --g172-purple:    #7c3cff;
  --g172-purple-lt: #a855f7;
  --g172-gold:      #ffc247;
  --g172-bg:        #090112;
  --g172-surface:   #ffffff;
  --g172-surface2:  #f8f5ff;
  --g172-border:    rgba(124,60,255,0.12);
  --g172-text:      #140d25;
  --g172-muted:     #756b86;
  --g172-radius:    16px;
  --g172-radius-sm: 10px;
  --g172-shadow:    0 4px 24px rgba(18,8,42,0.08);
  --g172-shadow-lg: 0 12px 48px rgba(18,8,42,0.14);
  --g172-nav-w:     240px;
  --g172-hdr-h:     60px;
  --g172-btm-h:     64px;
  --g172-font:      Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --g172-transition:0.22s cubic-bezier(0.2,0.9,0.2,1);
}

/* ═══════════════════════════════════════════════════════════════════
   1. DESKTOP LAYOUT — Sidebar + Content
═══════════════════════════════════════════════════════════════════ */
@media (min-width: 901px) {

  /* App-level wrapper */
  .dv-app-shell,
  .dv155-app-shell,
  #dv-app-main {
    display: grid;
    grid-template-columns: var(--g172-nav-w) 1fr;
    grid-template-rows: var(--g172-hdr-h) 1fr;
    min-height: 100vh;
    background: var(--g172-surface2);
    font-family: var(--g172-font);
  }

  /* Desktop sidebar */
  .dv-sidebar-nav,
  .dv155-sidebar-nav,
  .dv-left-nav {
    grid-row: 1 / -1;
    grid-column: 1;
    background: var(--g172-bg);
    width: var(--g172-nav-w);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    padding: 0 0 24px;
    z-index: 100;
    scrollbar-width: none;
  }
  .dv-sidebar-nav::-webkit-scrollbar { display: none; }

  /* Sidebar logo area */
  .dv-sidebar-brand,
  .dv155-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 8px;
    flex-shrink: 0;
  }
  .dv-sidebar-brand img { width: 36px; height: 36px; border-radius: 10px; }
  .dv-sidebar-brand-name {
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
  }

  /* Sidebar nav items */
  .dv-sidebar-nav a,
  .dv155-sidebar-nav a,
  .dv-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 18px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    margin: 1px 10px;
    transition: background var(--g172-transition), color var(--g172-transition);
    white-space: nowrap;
  }
  .dv-sidebar-nav a:hover,
  .dv155-sidebar-nav a:hover,
  .dv-nav-item:hover {
    background: rgba(124,60,255,0.15);
    color: #fff;
  }
  .dv-sidebar-nav a.active,
  .dv155-sidebar-nav a.active,
  .dv-nav-item.active {
    background: linear-gradient(135deg, rgba(124,60,255,0.3), rgba(124,60,255,0.15));
    color: #fff;
    font-weight: 700;
    border: 1px solid rgba(124,60,255,0.3);
  }
  .dv-sidebar-nav a svg,
  .dv-nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

  /* Nav section label */
  .dv-nav-section-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.3);
    padding: 16px 18px 6px;
  }

  /* Top header bar */
  .dv-header,
  .dv155-header {
    grid-column: 2;
    grid-row: 1;
    background: var(--g172-surface);
    border-bottom: 1px solid var(--g172-border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 90;
    height: var(--g172-hdr-h);
    box-shadow: 0 1px 0 var(--g172-border);
  }
  .dv-header-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--g172-text);
    letter-spacing: -0.02em;
    flex: 1;
  }
  .dv-header-actions { display: flex; align-items: center; gap: 10px; }
  .dv-header-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--g172-purple), var(--g172-purple-lt));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* Main content area */
  .dv-main-content,
  .dv155-main-content,
  #dv-app-content {
    grid-column: 2;
    grid-row: 2;
    padding: 28px;
    overflow-y: auto;
    max-width: 1280px;
  }

  /* Hide mobile bottom nav on desktop */
  .dv-bottom-nav,
  .dv155-bottom-nav,
  #dv-bottom-nav,
  .dv-mobile-nav-bar { display: none !important; }

  /* Card grid */
  .dv-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
  }
  .dv-card-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .dv-card-grid-3 { grid-template-columns: repeat(3, 1fr); }

  /* Table — full desktop treatment */
  .dv-table-wrap { border-radius: var(--g172-radius); overflow: hidden; box-shadow: var(--g172-shadow); }
  .dv-data-table { width: 100%; border-collapse: collapse; background: var(--g172-surface); }
  .dv-data-table thead { background: var(--g172-bg); color: #fff; }
  .dv-data-table th { padding: 14px 16px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; text-align: left; }
  .dv-data-table td { padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--g172-border); }
  .dv-data-table tr:last-child td { border-bottom: none; }
  .dv-data-table tr:hover td { background: var(--g172-surface2); }

  /* Stat cards */
  .dv-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
  }
  .dv-stat-card {
    background: var(--g172-surface);
    border-radius: var(--g172-radius);
    padding: 20px;
    border: 1px solid var(--g172-border);
    box-shadow: var(--g172-shadow);
    transition: box-shadow var(--g172-transition), transform var(--g172-transition);
  }
  .dv-stat-card:hover { box-shadow: var(--g172-shadow-lg); transform: translateY(-1px); }
  .dv-stat-card .dv-stat-val { font-size: 32px; font-weight: 900; color: var(--g172-purple); letter-spacing: -0.03em; line-height: 1; }
  .dv-stat-card .dv-stat-label { font-size: 13px; color: var(--g172-muted); margin-top: 6px; font-weight: 500; }
}

/* ═══════════════════════════════════════════════════════════════════
   2. MOBILE LAYOUT — Clean, Spacious, Native-Feel
═══════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {

  /* Reset paddings pushed by the top sticky bar */
  body.dv-page { padding-top: 0 !important; padding-bottom: var(--g172-btm-h) !important; }

  /* Hide desktop sidebar */
  .dv-sidebar-nav,
  .dv155-sidebar-nav,
  .dv-left-nav { display: none !important; }

  /* Mobile top header */
  .dv-header,
  .dv155-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(9,1,18,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(124,60,255,0.15);
    height: 54px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    color: #fff;
  }
  .dv-header-title { font-size: 17px; font-weight: 800; color: #fff; flex: 1; }

  /* Main content */
  .dv-main-content,
  .dv155-main-content,
  #dv-app-content {
    padding: 16px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Cards — full width, clean */
  .dv-card,
  .dv155-card,
  .dv167-page-card,
  .dv159-card {
    border-radius: var(--g172-radius) !important;
    padding: 18px !important;
    margin-bottom: 14px;
    box-shadow: var(--g172-shadow) !important;
    border: 1px solid var(--g172-border) !important;
    width: 100%;
    background: var(--g172-surface) !important;
  }

  /* Mobile bottom nav */
  .dv-bottom-nav,
  .dv155-bottom-nav,
  #dv-bottom-nav {
    position: fixed !important;
    bottom: 0 !important; left: 0 !important; right: 0 !important;
    height: var(--g172-btm-h) !important;
    background: rgba(9,1,18,0.97) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-around !important;
    padding: 0 8px env(safe-area-inset-bottom, 8px) !important;
    border-top: 1px solid rgba(124,60,255,0.18) !important;
    z-index: 1000 !important;
  }
  .dv-bottom-nav a,
  .dv155-bottom-nav a,
  .dv-bottom-nav-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 3px !important;
    padding: 8px 12px !important;
    border-radius: 12px !important;
    color: rgba(255,255,255,0.5) !important;
    text-decoration: none !important;
    font-size: 10px !important;
    font-weight: 600 !important;
    min-width: 52px !important;
    transition: color 0.18s, background 0.18s !important;
    -webkit-tap-highlight-color: transparent !important;
    touch-action: manipulation !important;
  }
  .dv-bottom-nav a.active,
  .dv155-bottom-nav a.active,
  .dv-bottom-nav-item.active {
    color: var(--g172-purple) !important;
    background: rgba(124,60,255,0.12) !important;
  }
  .dv-bottom-nav svg,
  .dv155-bottom-nav svg { width: 22px !important; height: 22px !important; }

  /* Inputs — prevent iOS zoom */
  input[type="text"], input[type="email"],
  input[type="tel"], input[type="password"],
  input[type="number"], select, textarea {
    font-size: 16px !important;
  }

  /* Buttons — large touch target */
  .dv-btn, .dv167-btn, .dv155-btn {
    min-height: 48px !important;
    font-size: 15px !important;
    border-radius: 999px !important;
    padding: 12px 24px !important;
    touch-action: manipulation !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  /* Table → stacked cards on mobile */
  .dv-data-table { display: none; }
  .dv-mobile-repair-list { display: block; }

  /* Repair list item card */
  .dv-repair-item {
    background: var(--g172-surface);
    border-radius: var(--g172-radius);
    padding: 16px;
    margin-bottom: 10px;
    border: 1px solid var(--g172-border);
    box-shadow: var(--g172-shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   3. UNIVERSAL CARD IMPROVEMENTS
═══════════════════════════════════════════════════════════════════ */
.dv-card,
.dv155-card {
  background: var(--g172-surface);
  border-radius: var(--g172-radius);
  border: 1px solid var(--g172-border);
  box-shadow: var(--g172-shadow);
  font-family: var(--g172-font);
  overflow: hidden;
}
.dv-card h3,
.dv-card-title { font-size: 16px; font-weight: 800; color: var(--g172-text); margin-bottom: 12px; letter-spacing: -0.01em; }

/* Status badges */
.dv-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.dv-status-pending_diagnosis { background: #fef3c7; color: #b45309; }
.dv-status-awaiting_parts    { background: #ede9fe; color: #6d28d9; }
.dv-status-in_repair         { background: #dbeafe; color: #1d4ed8; }
.dv-status-quality_check     { background: #cffafe; color: #0e7490; }
.dv-status-ready_for_pickup  { background: #dcfce7; color: #15803d; }
.dv-status-on_hold           { background: #f3f4f6; color: #6b7280; }
.dv-status-collected         { background: #f1f5f9; color: #475569; }
.dv-status-cancelled         { background: #fee2e2; color: #dc2626; }

/* Priority dots */
.dv-priority-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dv-priority-urgent { background: #dc2626; box-shadow: 0 0 0 2px rgba(220,38,38,.2); }
.dv-priority-high   { background: #f59e0b; }
.dv-priority-normal { background: #22c55e; }
.dv-priority-low    { background: #94a3b8; }

/* ═══════════════════════════════════════════════════════════════════
   4. TOAST NOTIFICATION SYSTEM
═══════════════════════════════════════════════════════════════════ */
#dv172-toast-region {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2147483647;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 360px;
  width: calc(100% - 32px);
}
@media (max-width: 600px) {
  #dv172-toast-region { right: 0; left: 0; max-width: 100%; margin: 0 12px; width: calc(100% - 24px); }
}
.dv172-toast {
  background: #1a0d30;
  border: 1px solid rgba(124,60,255,0.3);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(18,8,42,0.28), 0 2px 8px rgba(18,8,42,0.18);
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.32s cubic-bezier(0.2,0.9,0.2,1), opacity 0.32s;
  pointer-events: all;
  cursor: pointer;
  max-width: 360px;
}
.dv172-toast.dv172-toast-in { transform: translateX(0); opacity: 1; }
.dv172-toast.dv172-toast-out { transform: translateX(120%); opacity: 0; }
.dv172-toast-icon { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.dv172-toast-success .dv172-toast-icon { background: rgba(34,197,94,0.15); }
.dv172-toast-error   .dv172-toast-icon { background: rgba(239,68,68,0.15); }
.dv172-toast-warning .dv172-toast-icon { background: rgba(245,158,11,0.15); }
.dv172-toast-info    .dv172-toast-icon { background: rgba(124,60,255,0.15); }
.dv172-toast-body { flex: 1; min-width: 0; }
.dv172-toast-title { font-size: 14px; font-weight: 700; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dv172-toast-msg { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 2px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dv172-toast-close { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.4); font-size: 16px; line-height: 1; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════════
   5. VIEW TRANSITIONS (CSS View Transitions API)
═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) {
    animation: 0.2s ease both dv172FadeOut;
  }
  ::view-transition-new(root) {
    animation: 0.25s ease both dv172FadeIn;
  }
  @keyframes dv172FadeOut { to { opacity: 0; transform: scale(0.98); } }
  @keyframes dv172FadeIn  { from { opacity: 0; transform: scale(0.98); } }
}

/* ═══════════════════════════════════════════════════════════════════
   6. FORMS — Polished, Accessible
═══════════════════════════════════════════════════════════════════ */
.dv-form-group { margin-bottom: 18px; }
.dv-form-label { display: block; font-size: 13px; font-weight: 600; color: var(--g172-text); margin-bottom: 6px; }
.dv-form-input,
.dv-form select,
.dv-form textarea,
.dv-input {
  width: 100%;
  border: 1.5px solid rgba(124,60,255,0.2);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 15px;
  font-family: var(--g172-font);
  background: #fff;
  color: var(--g172-text);
  transition: border-color 0.18s, box-shadow 0.18s;
  box-sizing: border-box;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.dv-form-input:focus,
.dv-input:focus {
  border-color: var(--g172-purple);
  box-shadow: 0 0 0 3px rgba(124,60,255,0.12);
}
.dv-form-input::placeholder { color: #bbb; }

.dv-form-submit {
  width: 100%;
  background: linear-gradient(135deg, #7c3cff, #a855f7);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: opacity 0.18s, transform 0.18s;
  font-family: var(--g172-font);
  letter-spacing: -0.01em;
  box-shadow: 0 6px 24px rgba(124,60,255,0.32);
}
.dv-form-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.dv-form-submit:active { transform: translateY(0); }
.dv-form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Auth forms */
.dv-auth-card {
  background: var(--g172-surface);
  border-radius: 24px;
  padding: 36px 32px;
  box-shadow: var(--g172-shadow-lg);
  max-width: 420px;
  margin: 0 auto;
  border: 1px solid var(--g172-border);
}
@media (max-width: 480px) { .dv-auth-card { padding: 24px 20px; border-radius: 20px; } }
.dv-auth-logo { display: flex; justify-content: center; margin-bottom: 24px; }
.dv-auth-logo img { width: 64px; height: 64px; border-radius: 16px; box-shadow: 0 6px 20px rgba(124,60,255,0.28); }
.dv-auth-title { font-size: 24px; font-weight: 900; text-align: center; margin-bottom: 6px; color: var(--g172-text); letter-spacing: -0.02em; }
.dv-auth-sub { text-align: center; color: var(--g172-muted); margin-bottom: 28px; font-size: 14px; }
.dv-auth-error {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dv-auth-success {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}

/* ═══════════════════════════════════════════════════════════════════
   7. PWA iOS INSTALL BANNER — CLEAN REDESIGN
═══════════════════════════════════════════════════════════════════ */
#dv170-ios-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 2147483400;
  padding: 0 12px calc(env(safe-area-inset-bottom, 0px) + 8px);
}
.dv170-ios-card {
  background: rgba(22,12,46,0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(124,60,255,0.3);
  border-radius: 20px 20px 16px 16px;
  padding: 18px 16px 20px;
  color: #fff;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

/* ═══════════════════════════════════════════════════════════════════
   8. PRINT / A11Y
═══════════════════════════════════════════════════════════════════ */
@media print {
  .dv-sidebar-nav, .dv-bottom-nav, #dv172-toast-region,
  #dv167-top-install, #dv170-ios-banner, #dv170-android-prompt { display: none !important; }
  body { padding: 0 !important; background: #fff !important; }
}
@media (prefers-color-scheme: dark) {
  .dv-auth-card  { background: #1a0c30; border-color: rgba(124,60,255,0.2); }
  .dv-auth-title { color: #f0eaff; }
  .dv-auth-sub   { color: #b0a4c8; }
  .dv-form-input, .dv-input { background: #0f0820; border-color: rgba(124,60,255,0.24); color: #f0eaff; }
  .dv-form-input::placeholder { color: #5a4e6a; }
}