/* ==========================================================================
   Hirbod Steel Dushanbe Rebar Market Survey — Production Mobile-First Styles
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Core Colors */
  --bg-main: #0b1120;
  --bg-card: #151f32;
  --bg-card-hover: #1e293b;
  --bg-input: #0f172a;
  --border-color: #334155;
  --border-light: #475569;
  
  /* Text */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Brand Accents */
  --color-primary: #ea580c; /* Hirbod Steel Orange */
  --color-primary-hover: #c2410c;
  --color-amber: #f59e0b;
  --color-emerald: #10b981;
  --color-sky: #0284c7;
  --color-rose: #f43f5e;
  --color-indigo: #6366f1;

  /* Safe Area for Mobile (iPhone notch & home indicator) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --bottom-nav-height: 64px;
  --header-height: 56px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 12px);
}

/* Top Navigation Bar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: calc(var(--safe-top) + 8px) 16px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--header-height) + var(--safe-top));
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

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

.brand-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text-main);
}

.brand-subtitle {
  font-size: 0.7rem;
  color: var(--color-amber);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Sync / Connection Status Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-emerald);
}

.status-pill.online .status-dot {
  background-color: var(--color-emerald);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.status-pill.offline .status-dot {
  background-color: var(--color-amber);
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.6);
}

.status-pill.syncing .status-dot {
  background-color: var(--color-sky);
  animation: pulse-dot 1s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.5; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.5; }
}

.pending-count-badge {
  background-color: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 10px;
  margin-left: 2px;
}

.btn-icon-nav {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-icon-nav:active {
  background-color: var(--border-color);
}

/* Global Sync Banner */
.sync-banner {
  background: linear-gradient(90deg, #78350f, #9a3412);
  color: #fef3c7;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #b45309;
}

.sync-banner.hidden {
  display: none !important;
}

.sync-banner button {
  background-color: #fff;
  color: #7c2d12;
  border: none;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

/* Main Container */
.main-content {
  flex: 1;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 16px;
}

/* App Views */
.app-view {
  display: none;
}

.app-view.active {
  display: block;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Containers */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Quick KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.kpi-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-amber);
  margin-top: 4px;
}

.kpi-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2px;
}

/* Quick Action Buttons */
.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.btn-action-tile {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 10px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-action-tile:active {
  background-color: #334155;
  transform: scale(0.98);
}

.btn-action-tile svg {
  width: 24px;
  height: 24px;
  color: var(--color-amber);
}

/* Form Styles */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

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

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.15s ease;
  min-height: 44px;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(234, 88, 12, 0.2);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

.input-with-affix {
  display: flex;
  align-items: center;
}

.input-with-affix .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  flex: 1;
}

.input-affix {
  background-color: var(--border-color);
  color: var(--text-muted);
  padding: 10px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* Selector Chip Group (Minimal Typing) */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-btn {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  flex: 1 1 auto;
}

.chip-btn.active {
  background-color: rgba(234, 88, 12, 0.15);
  border-color: var(--color-primary);
  color: var(--color-amber);
}

.chip-btn:active {
  transform: scale(0.97);
}

/* Alert / Warning Boxes */
.alert-box {
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fde68a;
}

.alert-info {
  background-color: rgba(2, 132, 199, 0.1);
  border: 1px solid rgba(2, 132, 199, 0.3);
  color: #bae6fd;
}

.alert-danger {
  background-color: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fecdd3;
}

/* Primary and Secondary Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  min-height: 46px;
  text-decoration: none;
}

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

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

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

.btn-secondary {
  background-color: #334155;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

.btn-success {
  background-color: var(--color-emerald);
  color: #fff;
}

.btn-danger {
  background-color: var(--color-rose);
  color: #fff;
}

.btn-full {
  width: 100%;
}

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btn-row .btn {
  flex: 1;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-amber {
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--color-amber);
}

.badge-emerald {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--color-emerald);
}

.badge-sky {
  background-color: rgba(2, 132, 199, 0.2);
  color: var(--color-sky);
}

.badge-rose {
  background-color: rgba(244, 63, 94, 0.2);
  color: var(--color-rose);
}

.badge-gray {
  background-color: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
}

/* Seller List Cards */
.seller-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  transition: border-color 0.15s ease;
}

.seller-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.seller-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.seller-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.seller-quick-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.seller-quick-actions .btn {
  padding: 6px 10px;
  min-height: 36px;
  font-size: 0.8rem;
}

/* Schedule Task Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-step {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background-color: #1e293b;
  border-left: 4px solid var(--border-color);
}

.timeline-step.active {
  border-left-color: var(--color-amber);
  background-color: rgba(245, 158, 11, 0.08);
}

.timeline-step.done {
  border-left-color: var(--color-emerald);
  opacity: 0.75;
}

.timeline-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-amber);
  white-space: nowrap;
  min-width: 80px;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.timeline-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* 30-Minute Search Timer for Day 2 */
.timer-container {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  margin-bottom: 16px;
}

.timer-digits {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: monospace;
  color: var(--color-amber);
  letter-spacing: 2px;
}

.timer-digits.warning {
  color: var(--color-rose);
  animation: pulse-dot 1s infinite;
}

/* Comparison Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.comparison-table th, .comparison-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background-color: #1e293b;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.comparison-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.comparison-table .highlight-row {
  background-color: rgba(16, 185, 129, 0.1);
  font-weight: 600;
}

.comparison-table .badge-lowest {
  background-color: var(--color-emerald);
  color: #064e3b;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 5px;
  border-radius: 4px;
  margin-left: 4px;
}

/* Phrasebook Cards */
.phrase-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}

.phrase-context {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-amber);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.phrase-en {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.phrase-lang-block {
  background-color: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 8px 10px;
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.phrase-text {
  font-size: 0.9rem;
  color: #e2e8f0;
}

.btn-copy {
  background-color: #334155;
  border: none;
  color: #f8fafc;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

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

/* Bottom Navigation Bar (Mobile) */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--bottom-nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background-color: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 6px 4px;
  width: 14.2%;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: color 0.15s ease;
}

.nav-item svg {
  width: 22px;
  height: 22px;
  margin-bottom: 2px;
}

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

.nav-item.active svg {
  color: var(--color-amber);
  transform: translateY(-1px);
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

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

.modal-sheet {
  background-color: var(--bg-card);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  border-top: 1px solid var(--border-color);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px 16px calc(var(--safe-bottom) + 20px);
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.1, 0.9, 0.2, 1);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 16px);
  left: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
  z-index: 300;
}

.toast {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  animation: toastIn 0.2s ease-out;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.toast-success {
  border-color: var(--color-emerald);
}

.toast.toast-error {
  border-color: var(--color-rose);
}

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

/* Photo Thumbnail Preview */
.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.photo-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-delete-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ==========================================================================
   PRINT STYLESHEET (Executive Reports & PDF Generation)
   ========================================================================== */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
    padding: 0 !important;
  }

  .top-nav, .bottom-nav, .sync-banner, .toast-container, .btn, .no-print {
    display: none !important;
  }

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

  .app-view {
    display: none !important;
  }

  #view-reports {
    display: block !important;
  }

  .card {
    background: #ffffff !important;
    border: 1px solid #cccccc !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    margin-bottom: 20px !important;
    padding: 12px !important;
    color: #000000 !important;
  }

  .card-title, .brand-title, .seller-name, .timeline-title {
    color: #000000 !important;
  }

  .comparison-table {
    border: 1px solid #000 !important;
  }

  .comparison-table th {
    background-color: #f1f5f9 !important;
    color: #000 !important;
    border: 1px solid #ccc !important;
  }

  .comparison-table td {
    color: #000 !important;
    border: 1px solid #ddd !important;
  }

  .badge {
    border: 1px solid #000 !important;
    color: #000 !important;
    background: transparent !important;
  }
}