@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #1B4332;
  --color-primary-light: #2D6A4F;
  --color-primary-dark: #0D2818;
  --color-primary-muted: #b7e4c7;
  --color-nutrition: #1A237E;
  --color-nutrition-light: #283593;
  --color-nutrition-muted: #c5cae9;
  --color-accent: #F59E0B;
  --color-danger: #DC2626;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-bg: #F8FAF9;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --color-text: #1A202C;
  --color-text-muted: #718096;
  --color-text-light: #A0AEC0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
}

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

img { max-width: 100%; }

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 15px;
}

/* ── Layout ──────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--color-primary-dark);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--transition);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.sidebar-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.sidebar-logo {
  padding: 16px 20px 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.sidebar-logo span {
  background: var(--color-primary-light);
  border-radius: 8px;
  padding: 2px 8px;
}

.sidebar-section-label {
  color: var(--color-primary-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 20px 4px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.75);
  padding: 8px 20px;
  border-radius: 0;
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.sidebar nav a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 20px 20px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
}

.main-content {
  margin-left: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

#sidebar-toggle {
  flex-shrink: 0;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.page-content {
  padding: 32px;
  flex: 1;
}

/* ── Auth pages ──────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

.auth-side {
  flex: 1;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px;
  color: #fff;
}

.auth-side h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.auth-side p {
  font-size: 16px;
  opacity: 0.8;
  max-width: 320px;
  text-align: center;
  line-height: 1.7;
}

.auth-form-container {
  width: 480px;
  padding: 48px 40px;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.auth-form-container h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}

.auth-form-container .subtitle {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Stat cards ──────────────────────────────────────────── */
.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.stat-card .label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-card .change {
  font-size: 12px;
  margin-top: 6px;
  color: var(--color-text-muted);
}

.stat-card.green { border-left: 4px solid var(--color-primary); }
.stat-card.blue  { border-left: 4px solid var(--color-nutrition); }
.stat-card.amber { border-left: 4px solid var(--color-accent); }
.stat-card.red   { border-left: 4px solid var(--color-danger); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition), opacity var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-nutrition {
  background: var(--color-nutrition);
  color: #fff;
}
.btn-nutrition:hover { background: var(--color-nutrition-light); }

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

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

.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 13px 28px; font-size: 16px; width: 100%; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

.report-flag-btn {
  background: transparent;
  border: none;
  color: #9ca3af; /* muted grey */
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.report-flag-btn:hover {
  color: #f59e0b; /* amber */
  background: rgba(245, 158, 11, 0.1);
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,67,50,0.12);
}

.form-input.nutrition-focus:focus {
  border-color: var(--color-nutrition);
  box-shadow: 0 0 0 3px rgba(26,35,126,0.12);
}

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

.form-error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: 4px;
  display: none;
}

.form-error.visible { display: block; }

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  cursor: pointer;
}

.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,67,50,0.12);
}

/* ── Tags / Badges ───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-green  { background: #dcfce7; color: #166534; }
.badge-blue   { background: #dbeafe; color: #1e40af; }
.badge-amber  { background: #fef3c7; color: #92400e; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-gray   { background: #f1f5f9; color: #475569; }
.badge-indigo { background: #e0e7ff; color: #3730a3; }

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── Nutrition score ring ────────────────────────────────── */
.score-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.score-ring svg { display: block; }
.score-ring .score-label { font-size: 11px; color: var(--color-text-muted); }

/* ── Skeleton loaders ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f8fafc 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-line {
  height: 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius);
}

/* ── Macro bar ───────────────────────────────────────────── */
.macro-bar {
  margin-bottom: 14px;
}

.macro-bar .macro-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 5px;
}

.macro-bar .bar-track {
  height: 8px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.macro-bar .bar-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.5s ease;
}

.bar-protein { background: #7C3AED; }
.bar-carbs   { background: #F59E0B; }
.bar-fat     { background: #EF4444; }
.bar-fiber   { background: #10B981; }
.bar-calories { background: var(--color-primary); }

/* ── Chat UI ─────────────────────────────────────────────── */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 160px);
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg {
  display: flex;
  gap: 10px;
  max-width: 70%;
}

.msg.user { align-self: flex-end; flex-direction: row-reverse; }

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.msg.user .msg-avatar { background: var(--color-nutrition); }

.msg-bubble {
  background: var(--color-bg);
  border-radius: 16px 16px 16px 4px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid var(--color-border);
  white-space: pre-wrap;
}

.msg.user .msg-bubble {
  background: var(--color-nutrition);
  color: #fff;
  border-radius: 16px 16px 4px 16px;
  border: none;
}

.chat-input-bar {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 10px;
}

.chat-input {
  flex: 1;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 24px;
  font-size: 14px;
  outline: none;
  resize: none;
  max-height: 120px;
  transition: border-color var(--transition);
}

.chat-input:focus { border-color: var(--color-nutrition); }

/* ── SVG charts ──────────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.chart-container svg {
  width: 100%;
  height: auto;
}

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: var(--color-bg);
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

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

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

/* ── Toast ───────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s ease;
  pointer-events: auto;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.warning { background: var(--color-warning); }

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

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

/* ── Upload zone ─────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary);
  background: rgba(27,67,50,0.03);
}

.upload-zone .upload-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

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

/* ── QR container ────────────────────────────────────────── */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* ── Deficiency alert card ───────────────────────────────── */
.deficiency-card {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
}

.deficiency-card.severe {
  background: #fff1f2;
  border-color: #fecdd3;
  border-left-color: var(--color-danger);
}

.deficiency-card .nutrient-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.deficiency-card .progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.deficiency-card .d-bar {
  flex: 1;
  height: 6px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.deficiency-card .d-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
}

.deficiency-card.severe .d-fill { background: var(--color-danger); }

/* ── Photo journal grid ──────────────────────────────────── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.photo-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--color-border);
}

.photo-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}

.photo-cell:hover img { transform: scale(1.05); }

.photo-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  padding: 10px 8px 8px;
  font-size: 11px;
}

/* ── Score badge ─────────────────────────────────────────── */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}

.score-excellent { background: #dcfce7; color: #166534; }
.score-good      { background: #d1fae5; color: #065f46; }
.score-average   { background: #fef3c7; color: #92400e; }
.score-poor      { background: #fee2e2; color: #991b1b; }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--color-text-muted);
}

.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; color: var(--color-text); margin-bottom: 8px; }
.empty-state p  { font-size: 14px; line-height: 1.6; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
  .page-content { padding: 20px 16px; }
  .card { padding: 16px; }
  .auth-side { display: none; }
  .auth-form-container { width: 100%; padding: 32px 20px; }
  .topbar { padding: 0 16px; height: 56px; gap: 8px; }
  .topbar-title { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar-actions .btn-sm { padding: 6px 10px; font-size: 12px; }
  .msg { max-width: 90%; }
  .flex-between { flex-wrap: wrap; gap: 10px; }
  .stat-card .value { font-size: 24px; }
  .btn-lg { padding: 11px 20px; font-size: 15px; }
}

@media (max-width: 480px) {
  .sidebar { width: 85%; }
  .grid-2, .grid-3, .grid-4 { gap: 12px; }
}

/* ── Nutrition sidebar overrides ─────────────────────────── */
.sidebar.nutrition-sidebar {
  background: #0d1257;
}

.sidebar.nutrition-sidebar nav a:hover,
.sidebar.nutrition-sidebar nav a.active {
  background: rgba(255,255,255,0.12);
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

/* ── Flex helpers ────────────────────────────────────────── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap-2 { gap: 8px; }
.flex-gap-3 { gap: 12px; }
.flex-gap-4 { gap: 16px; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.text-capitalize { text-transform: capitalize; }
.bg-nutrition-light { background: var(--color-nutrition-muted); }
.px-2 { padding-left: 8px; padding-right: 8px; }
.py-1 { padding-top: 4px; padding-bottom: 4px; }
.rounded { border-radius: 4px; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }

.text-sm    { font-size: 13px; }
.text-xs    { font-size: 11px; }
.text-muted { color: var(--color-text-muted); }
.text-bold  { font-weight: 700; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

.hidden { display: none !important; }

/* ── Tabs (General) ──────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--color-nutrition);
  color: #fff;
}

/* ── Step tabs (register) ────────────────────────────────── */
.step-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.step-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: default;
  transition: background var(--transition), color var(--transition);
}

.step-tab.active {
  background: var(--color-primary);
  color: #fff;
}

/* ── Spinner ─────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner.dark {
  border-color: rgba(0,0,0,0.1);
  border-top-color: var(--color-primary);
}

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

/* ── Supply themed elements ──────────────────────────────── */
.supply-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 24px;
}

.supply-header h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.supply-header p  { font-size: 14px; opacity: 0.8; }

/* ── Allocation card ─────────────────────────────────────── */
.alloc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
}

.alloc-card .alloc-title {
  font-weight: 600;
  font-size: 15px;
}

.alloc-card .alloc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.alloc-card .alloc-actions {
  display: flex;
  gap: 10px;
}

/* ── Progress bar ────────────────────────────────────────── */
.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 99px;
  transition: width 0.4s ease;
}

.progress-fill.nutrition { background: var(--color-nutrition); }
/* Add at the bottom of main.css */
.gap-2 { gap: 8px; }

.nutrition-match {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: 4px;
}

.qr-countdown {
  font-size: 12px;
  color: var(--color-accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: white;
    padding: 24px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.modal-header h2 { margin: 0; }

/* Legal Document Styling */
.legal-doc-body {
    color: var(--color-text);
}

.legal-doc-body h1,
.legal-doc-body h2,
.legal-doc-body h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--color-primary-dark);
}

.legal-doc-body h1 { font-size: 1.5rem; border-bottom: 2px solid var(--color-border); padding-bottom: 0.5rem; }
.legal-doc-body h2 { font-size: 1.25rem; }
.legal-doc-body h3 { font-size: 1.1rem; }

.legal-doc-body p {
    margin-bottom: 1rem;
}

.legal-doc-body ul,
.legal-doc-body ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-doc-body li {
    margin-bottom: 0.5rem;
}

.legal-doc-body hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0;
}

.legal-doc-body strong {
    color: var(--color-text);
}