/* DEXA SaaS — Dark Theme Shared Styles */

/* ===== CSS Variables ===== */
:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #242836;
  --bg-input: #161922;
  --text: #e4e4e7;
  --text-muted: #9ca3af;
  --text-secondary: #d1d5db;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-bg: rgba(59, 130, 246, 0.12);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --purple: #a855f7;
  --purple-bg: rgba(168, 85, 247, 0.12);
  --border: #2d3148;
  --border-light: rgba(255, 255, 255, 0.06);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
}

/* ===== Base Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* ===== Layout ===== */
.page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

/* ===== Tables ===== */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody tr {
  transition: background 0.1s;
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody tr.clickable {
  cursor: pointer;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ===== Forms / Inputs ===== */
label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

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

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='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: all 0.15s;
  white-space: nowrap;
  line-height: 1;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.25);
}

.btn-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
  background: rgba(34, 197, 94, 0.25);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-xs {
  padding: 4px 10px;
  font-size: 11px;
}

/* ===== Status Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-new {
  background: var(--primary-bg);
  color: var(--primary);
}

.badge-reviewed {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-reported {
  background: var(--success-bg);
  color: var(--success);
}

.badge-sent {
  background: var(--purple-bg);
  color: var(--purple);
}

.badge-generated {
  background: var(--success-bg);
  color: var(--success);
}

.badge-viewed {
  background: var(--primary-bg);
  color: var(--primary);
}

.badge-count {
  background: var(--bg-hover);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
}

/* ===== Filter Pills ===== */
.filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  transition: all 0.15s;
}

.filter-pill:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.filter-pill.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== Search ===== */
.search-input {
  position: relative;
}

.search-input input {
  padding-left: 36px;
}

.search-input::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  pointer-events: none;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.pagination-info {
  font-size: 12px;
}

.pagination-buttons {
  display: flex;
  gap: 8px;
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 4px 12px var(--shadow-color);
  pointer-events: auto;
  animation: toastIn 0.25s ease-out;
  max-width: 360px;
}

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

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

.toast.toast-out {
  animation: toastOut 0.2s ease-in forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(12px); }
}

/* ===== Header / Nav ===== */
.dx-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dx-header-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.dx-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
}

.dx-logo:hover {
  text-decoration: none;
}

.dx-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dx-nav a {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s;
}

.dx-nav a:hover {
  background: var(--bg-hover);
  color: var(--text);
  text-decoration: none;
}

.dx-nav a.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary);
}

.dx-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dx-user-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.dx-logout-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  transition: all 0.15s;
}

.dx-logout-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

/* ===== Modal / Dialog Overlay ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 380px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px var(--shadow-color);
  transform: scale(0.95);
  transition: transform 0.15s ease;
}

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

.modal-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 16px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ===== Metric Grid ===== */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.metric-item {
  text-align: center;
  padding: 16px 12px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* Body fat zone colors */
.zone-lean { color: var(--primary); }
.zone-ideal { color: var(--success); }
.zone-average { color: var(--warning); }
.zone-above { color: #f97316; }
.zone-high { color: var(--danger); }

/* ===== Regional Breakdown Grid ===== */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.region-item {
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}

.region-name {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.region-stat {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 2px 0;
}

.region-stat-label {
  color: var(--text-muted);
}

.region-stat-value {
  font-weight: 600;
  color: var(--text);
}

/* ===== Scan Images ===== */
.scan-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.scan-image-card {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.scan-image-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: contain;
  background: #000;
}

.scan-image-label {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: center;
}

/* ===== Trend Table ===== */
.trend-table th,
.trend-table td {
  text-align: center;
}

.trend-change-up {
  color: var(--danger);
}

.trend-change-down {
  color: var(--success);
}

/* ===== Login Page ===== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-title {
  text-align: center;
  margin-bottom: 32px;
}

.login-title h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.login-title p {
  color: var(--text-muted);
  font-size: 14px;
}

.login-error {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ===== Empty State ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.empty-state-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Loading Spinner ===== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
  font-size: 13px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 10px;
}

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

/* ===== Utility Classes ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.ml-auto { margin-left: auto; }
.mr-2 { margin-right: 8px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .dx-header {
    flex-wrap: wrap;
    padding: 8px 12px;
    gap: 4px;
  }

  .dx-header-left {
    flex: 1;
    min-width: 0;
    gap: 12px;
  }

  .dx-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 0;
  }

  .dx-nav::-webkit-scrollbar {
    display: none;
  }

  .dx-nav a {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .dx-header-right {
    gap: 6px;
  }

  .page-wrapper {
    padding: 16px 12px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

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

  .modal {
    min-width: auto;
    width: 95vw;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .metric-grid {
    grid-template-columns: 1fr;
  }
}