@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  /* Primary (navy/blue) */
  --primary-50:  #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  --primary: var(--primary-600);
  --primary-dark: var(--primary-800);
  --primary-light: var(--primary-500);

  /* Neutral (slate) */
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic */
  --success:       #16a34a;
  --success-light: #dcfce7;
  --warning:       #d97706;
  --warning-light: #fef3c7;
  --danger:        #dc2626;
  --danger-light:  #fee2e2;
  --accent-purple: #7c3aed;

  /* Surfaces */
  --bg:       var(--gray-50);
  --surface:  #ffffff;
  --card-bg:  #ffffff;
  --text:     var(--gray-800);
  --text-muted: var(--gray-500);
  --text-light: var(--gray-500);
  --border:   var(--gray-200);
  --border-strong: var(--gray-300);

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --radius: var(--r-md);

  /* Shadows — multi-layer for depth */
  --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 8px -2px rgba(15,23,42,0.06), 0 2px 4px -2px rgba(15,23,42,0.04);
  --shadow-lg: 0 12px 24px -6px rgba(15,23,42,0.10), 0 8px 16px -8px rgba(15,23,42,0.06);
  --shadow-xl: 0 24px 48px -12px rgba(15,23,42,0.18), 0 12px 24px -10px rgba(15,23,42,0.10);

  --focus-ring: 0 0 0 3px rgba(37,99,235,0.22);
}

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01';
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.01em; color: var(--gray-900); }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }

a { color: var(--primary); }

/* Tabular numbers for anything numeric by default (tables, cards) */
.data-table, .card-number, .progress-bar, .mini-card { font-variant-numeric: tabular-nums; }

/* ─── NAVBAR ─── */
.navbar {
  background: var(--gray-900);
  color: white;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  position: sticky; top: 0; z-index: 40;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 14px; }
.nav-brand {
  color: white; text-decoration: none; font-weight: 700; font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav-brand {
  display: inline-flex; align-items: center; gap: 10px;
}
.nav-brand::before {
  content: "";
  display: inline-block; width: 22px; height: 22px;
  background: url('/img/logo-light.svg') center/contain no-repeat;
  flex-shrink: 0;
}
.tax-year-label { color: rgba(255,255,255,0.65); font-size: 0.85rem; font-weight: 500; }
.tax-year-switcher { display: flex; align-items: center; gap: 8px; margin: 0; }
.tax-year-switcher select {
  background: rgba(255,255,255,0.08);
  color: white;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.tax-year-switcher select:hover { background: rgba(255,255,255,0.14); }
.tax-year-switcher select option { color: #111; background: white; }
.user-label { color: rgba(255,255,255,0.65); font-size: 0.82rem; }
.user-label strong { color: white; font-weight: 600; }

/* Navbar buttons inherit a darker-surface treatment */
.navbar .btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: white;
}
.navbar .btn:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.25); }

/* ─── ALERTS ─── */
.alert { padding: 12px 16px; border-radius: var(--r-sm); margin-bottom: 12px; font-size: 0.9rem; }
.alert-success { background: var(--success-light); border: 1px solid #86efac; color: #065f46; }
.alert-error   { background: var(--danger-light);  border: 1px solid #fca5a5; color: #991b1b; }

.error {
  background: var(--danger-light); color: var(--danger);
  padding: 12px 14px; border-radius: var(--r-sm);
  margin-bottom: 16px; text-align: center; font-size: 0.9rem; font-weight: 500;
  border: 1px solid #fca5a5;
}

/* ─── IMPERSONATION BANNER ─── */
.impersonation-banner {
  background: linear-gradient(180deg, #fef3c7 0%, #fde68a 100%);
  color: #78350f;
  border-bottom: 2px solid #d97706;
  padding: 10px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.impersonation-banner form { margin: 0; }
.impersonation-banner strong { font-weight: 700; }

/* ─── MARKETING / LANDING ─── */
body.marketing { background: #fff; color: var(--text); }
.marketing-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 32px; max-width: 1120px; margin: 0 auto;
}
.marketing-brand {
  font-weight: 800; font-size: 1.1rem; color: var(--gray-900);
  text-decoration: none; letter-spacing: -0.02em;
}
.marketing-brand {
  display: inline-flex; align-items: center; gap: 10px;
}
.marketing-brand::before {
  content: ""; display: inline-block; width: 26px; height: 26px;
  background: url('/img/logo.svg') center/contain no-repeat;
  flex-shrink: 0;
}
.marketing-nav nav { display: flex; gap: 10px; align-items: center; }

.hero {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.25) 0%, transparent 60%),
    linear-gradient(180deg, #0b1220 0%, #1e3a8a 100%);
  color: white; padding: 100px 24px 120px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(255,255,255,0.06) 0, transparent 40%),
    radial-gradient(circle at 75% 70%, rgba(124,58,237,0.15) 0, transparent 50%);
  pointer-events: none;
}
.hero-inner { max-width: 860px; margin: 0 auto; text-align: center; position: relative; }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.08; margin-bottom: 24px; font-weight: 800;
  letter-spacing: -0.03em; color: white;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  opacity: 0.85; margin: 0 auto 36px; max-width: 680px; line-height: 1.55;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.hero-cta .btn { background: white; color: var(--primary-700); border: none; font-weight: 600; }
.hero-cta .btn:hover { background: var(--gray-100); transform: translateY(-1px); }
.hero-cta .btn-primary {
  background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
  color: white;
  box-shadow: 0 8px 24px -6px rgba(34,197,94,0.5), inset 0 1px 0 rgba(255,255,255,0.15);
}
.hero-cta .btn-primary:hover {
  background: linear-gradient(135deg, #16a34a 0%, #166534 100%);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -6px rgba(34,197,94,0.55), inset 0 1px 0 rgba(255,255,255,0.15);
}
.hero-trust { font-size: 0.9rem; opacity: 0.6; }
.btn-lg { padding: 14px 28px; font-size: 1rem; font-weight: 600; border-radius: var(--r-md); }

.section-inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.why { padding: 88px 0; background: var(--gray-50); }
.why h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 18px; color: var(--gray-900); letter-spacing: -0.02em; }
.why p { font-size: 1.05rem; max-width: 720px; color: var(--gray-600); line-height: 1.7; }

.features { padding: 88px 0; }
.features h2 {
  font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 40px;
  color: var(--gray-900); letter-spacing: -0.02em;
}
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.feature {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #fff;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-500);
}
.feature-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--primary-50), #dbeafe);
  color: var(--primary-700);
  margin-bottom: 16px;
  transition: background 0.18s;
}
.feature:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: white;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature h3 {
  font-size: 1.02rem; margin-bottom: 8px; color: var(--gray-900);
  font-weight: 700;
}
.feature p { font-size: 0.93rem; color: var(--gray-600); line-height: 1.6; }

.login-logo {
  display: flex; justify-content: center;
  margin-bottom: 20px;
}
.login-logo img { width: 56px; height: 56px; filter: drop-shadow(0 8px 16px rgba(37,99,235,0.25)); }

.pricing { padding: 88px 0 112px; background: var(--gray-50); }
.price-card {
  max-width: 440px; margin: 0 auto; background: white;
  border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: 40px 36px; text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.price-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-purple));
}
.price-card h2 {
  font-size: 2.75rem; color: var(--gray-900); margin-bottom: 6px;
  font-weight: 800; letter-spacing: -0.03em;
}
.price-sub { color: var(--gray-500); margin-bottom: 24px; font-size: 0.95rem; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 28px; text-align: left; }
.price-card li {
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 0.94rem; color: var(--gray-700);
  display: flex; align-items: center;
}
.price-card li:last-child { border-bottom: none; }
.price-card li::before {
  content: "✓"; color: var(--success); font-weight: 800;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--success-light);
  display: inline-flex; align-items: center; justify-content: center;
  margin-right: 12px; font-size: 0.8rem; flex-shrink: 0;
}
.price-card .btn { display: block; }

.marketing-footer {
  background: var(--gray-900); color: rgba(255,255,255,0.65);
  padding: 40px 24px; text-align: center; font-size: 0.9rem;
}
.marketing-footer a { color: white; text-decoration: none; font-weight: 500; }
.marketing-footer a:hover { text-decoration: underline; }
.footer-legal { margin-top: 10px; opacity: 0.45; font-size: 0.8rem; }

@media (max-width: 640px) {
  .hero { padding: 64px 20px 80px; }
  .marketing-nav { padding: 20px; }
  .why, .features, .pricing { padding: 64px 0; }
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: inherit;
  line-height: 1.2;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.05s;
  user-select: none;
}
.btn:hover { background: var(--gray-50); border-color: var(--border-strong); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, var(--shadow-xs);
}
.btn-primary:hover { background: var(--primary-700); border-color: var(--primary-700); }

.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }

.btn-sm { padding: 5px 11px; font-size: 0.8rem; }
.btn-edit { background: var(--primary-50); border-color: #bfdbfe; color: var(--primary-700); }
.btn-edit:hover { background: var(--primary-100); border-color: var(--primary-500); }

/* ─── LOGIN / AUTH CARDS ─── */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, rgba(59,130,246,0.35) 0%, transparent 55%),
    linear-gradient(180deg, #0b1220 0%, #111827 100%);
  padding: 20px;
}
.login-container { width: 100%; max-width: 440px; }
.login-card {
  background: white;
  border-radius: var(--r-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,0.06);
}
.login-card h1 {
  text-align: center; margin-bottom: 6px; color: var(--gray-900);
  font-size: 1.5rem; letter-spacing: -0.02em;
}
.login-card h2 {
  text-align: center; margin-bottom: 28px; color: var(--gray-500);
  font-weight: 400; font-size: 0.95rem;
}
.login-card .btn-primary { width: 100%; padding: 12px; font-size: 0.95rem; }

/* Legacy (no longer rendered but kept for robustness) */
.last-location-info { margin-bottom: 20px; text-align: center; }
.location-label { font-size: 0.9rem; color: var(--text-light); margin-bottom: 2px; }
.location-timestamp { font-size: 0.8rem; color: var(--text-light); }

/* ─── FORMS ─── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; margin-bottom: 6px;
  font-weight: 500; font-size: 0.82rem; color: var(--gray-600);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: var(--focus-ring);
}
.form-group input::placeholder { color: var(--gray-400); }
.form-group input[type="checkbox"] { width: auto; margin-right: 6px; }

/* ─── CHECKBOX CHIPS — large tactile tap targets ─── */
/* Usage: <label class="check-pill"><input type="checkbox" ...><span class="check-pill-body"><span class="check-pill-label">Working Day</span></span></label> */
.check-pill {
  display: block;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.check-pill input { position: absolute; opacity: 0; pointer-events: none; }
.check-pill-body {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  min-height: 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: white;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.check-pill-body::before {
  content: "";
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: 4px;
  background: white;
  transition: background 0.15s, border-color 0.15s;
}
.check-pill:hover .check-pill-body { border-color: var(--primary-500); background: var(--primary-50); }
.check-pill input:focus-visible + .check-pill-body { box-shadow: var(--focus-ring); border-color: var(--primary-500); }
.check-pill input:checked + .check-pill-body {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.check-pill input:checked + .check-pill-body::before {
  background: white url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%232563eb' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3 8 7 12 13 4'/%3E%3C/svg%3E") center/12px no-repeat;
  border-color: white;
}
.check-pill:active .check-pill-body { transform: scale(0.98); }
.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 120px; }
.entry-form {
  background: var(--card-bg); padding: 24px;
  border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

/* ─── CONTAINER ─── */
.container { max-width: 1240px; margin: 0 auto; padding: 28px 24px; }

/* ─── SUMMARY GRID ─── */
.summary-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px; margin-bottom: 36px;
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  position: relative;
  transition: box-shadow 0.15s, transform 0.12s;
}
.card:hover { box-shadow: var(--shadow-sm); }
.card::before {
  content: ""; position: absolute; left: 0; top: 12px; bottom: 12px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--primary-500);
}
.card h3 {
  font-size: 0.72rem; color: var(--gray-500); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 10px; font-weight: 600;
}
.card-number { font-size: 1.9rem; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.02em; line-height: 1; }
.card-sub { font-size: 0.8rem; color: var(--gray-500); margin-bottom: 10px; }
.card-status { font-size: 0.82rem; font-weight: 600; margin-top: 4px; }
.card-warning::before { background: var(--warning); }
.card-warning .card-number, .card-warning .card-status { color: var(--warning); }
.card-danger::before { background: var(--danger); }
.card-danger .card-number, .card-danger .card-status { color: var(--danger); }
.card-success::before { background: var(--success); }
.card-success .card-number, .card-success .card-status { color: var(--success); }
.card-info::before { background: var(--accent-purple); }

.progress-bar {
  height: 6px; background: var(--gray-100); border-radius: 4px; overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-700));
  border-radius: 4px; transition: width 0.4s ease;
}
.card-warning .progress-fill { background: linear-gradient(90deg, #fbbf24, var(--warning)); }
.card-danger  .progress-fill { background: linear-gradient(90deg, #f87171, var(--danger)); }
.iom-fill    { background: linear-gradient(90deg, #4ade80, var(--success)); }

/* ─── SECTIONS + TABLES ─── */
.section { margin-bottom: 36px; }
.section > h2 {
  margin-bottom: 16px; font-size: 1.15rem; font-weight: 700;
  color: var(--gray-900); letter-spacing: -0.01em;
}
.table-responsive { overflow-x: auto; border-radius: var(--radius); }
.data-table {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}
.data-table th {
  background: var(--gray-50); padding: 11px 14px; text-align: left;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--gray-500); font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--gray-700);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.12s; }
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table a { color: var(--primary-700); text-decoration: none; font-weight: 500; }
.data-table a:hover { text-decoration: underline; }
.totals-row { background: var(--primary-50) !important; }
.totals-row td { border-top: 2px solid var(--primary-500); font-weight: 600; color: var(--gray-900); }

/* Month table specifics */
.month-table .no-entry { background: #fcfcfd; }
.month-table .weekend { background: #f8fafc; }
.month-table .loc-uk td:nth-child(3) { color: var(--danger); font-weight: 600; }
.month-table .loc-iom td:nth-child(3) { color: var(--success); font-weight: 600; }
.month-table .loc-eu td:nth-child(3) { color: var(--accent-purple); font-weight: 600; }
.hmrc-yes { background: var(--danger-light); color: var(--danger); font-weight: 600; }
.query-flag { background: #fff7ed !important; }
.query-flag td { border-left: 3px solid var(--warning); }
.query-badge { font-size: 0.85em; margin-left: 4px; }
.notes-cell {
  max-width: 220px; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.empty-day { color: var(--gray-400); font-style: italic; }

.month-nav {
  display: flex; justify-content: space-between;
  align-items: center; margin-bottom: 20px;
}
.month-summary { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.mini-card {
  background: var(--card-bg); padding: 12px 18px;
  border-radius: var(--r-sm); border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  font-size: 0.9rem;
}

/* ─── MODAL ─── */
.modal {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal-content {
  background: white; border-radius: var(--r-lg);
  padding: 28px; width: 90%; max-width: 540px;
  box-shadow: var(--shadow-xl);
}
.modal-content h3 { margin-bottom: 20px; font-size: 1.1rem; }
.modal-buttons { display: flex; gap: 10px; margin-top: 20px; }

/* ─── GEO PROMPT ─── */
.geo-prompt {
  background: linear-gradient(180deg, var(--primary-50), #eff6ff);
  border-bottom: 1px solid #bfdbfe;
  padding: 16px 24px;
}
.geo-prompt-inner {
  max-width: 1240px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.geo-prompt p { margin: 0; color: var(--gray-700); }
.geo-prompt p strong { color: var(--gray-900); }
.geo-buttons { display: flex; gap: 8px; }

/* ─── MISC ─── */
.tax-year-links { display: flex; gap: 8px; flex-wrap: wrap; }
code {
  background: var(--gray-100); padding: 2px 6px;
  border-radius: 4px; font-size: 0.85em;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  color: var(--gray-800);
}
::selection { background: rgba(37,99,235,0.2); color: var(--gray-900); }

/* ─── RESPONSIVE ─── */

/* iOS safe-area padding — respected on iPhones with a notch in standalone PWA mode */
@supports (padding: max(0px)) {
  .navbar {
    padding-top: max(14px, env(safe-area-inset-top));
    padding-left: max(28px, env(safe-area-inset-left));
    padding-right: max(28px, env(safe-area-inset-right));
  }
  body.login-page, body.marketing { padding-top: env(safe-area-inset-top); }
}

/* Table momentum scrolling on iOS + a subtle "there's more" shadow on the right edge */
.table-responsive { -webkit-overflow-scrolling: touch; }

@media (max-width: 768px) {
  body { font-size: 14.5px; }

  /* Prevent iOS Safari auto-zoom on input focus (triggers if inputs < 16px). */
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="password"],
  .form-group input[type="number"],
  .form-group select { font-size: 16px; }

  /* Summary cards: 2-up on phones instead of full-width stack */
  .summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
  }
  .card { padding: 16px; }
  .card::before { top: 10px; bottom: 10px; }
  .card h3 { font-size: 0.68rem; margin-bottom: 8px; }
  .card-number { font-size: 1.45rem; }
  .card-sub { font-size: 0.72rem; }

  /* Entry form: 2-up layout so 8 checkboxes don't eat the screen */
  .form-row {
    gap: 10px;
    display: flex;
    flex-wrap: wrap;
  }
  .form-row > .form-group {
    flex: 1 1 calc(50% - 6px);
    min-width: 0;
    margin-bottom: 0;
  }
  .entry-form { padding: 18px 16px; }

  /* Bigger tap targets on mobile for all buttons — Apple HIG 44pt minimum */
  .btn { min-height: 42px; padding: 11px 16px; font-size: 0.92rem; }
  .btn-sm { min-height: 36px; padding: 8px 14px; }
  .btn-lg { min-height: 52px; padding: 16px 24px; }

  /* Nav: compact, horizontal, allow wrap */
  .navbar {
    padding: 12px 16px;
    gap: 8px;
  }
  .nav-left, .nav-right { gap: 8px; flex-wrap: wrap; row-gap: 6px; }
  .tax-year-switcher .tax-year-label { display: none; } /* drop the redundant label on mobile */

  /* Dashboard section headings a bit tighter */
  .section { margin-bottom: 24px; }
  .section > h2 { font-size: 1.05rem; }

  /* Tables: slightly smaller cells, still readable */
  .data-table th { font-size: 0.68rem; padding: 8px 10px; }
  .data-table td { padding: 9px 10px; font-size: 0.83rem; }

  .container { padding: 18px 14px; }

  /* Marketing */
  .feature { padding: 20px 18px; }
  .feature-icon { width: 40px; height: 40px; margin-bottom: 12px; }
  .price-card { padding: 32px 24px; }
  .price-card h2 { font-size: 2.2rem; }
}

@media (max-width: 420px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .card-number { font-size: 1.35rem; }
  /* On the narrowest phones, collapse fiddly number/hours pair and checkbox columns */
  .form-row > .form-group.full { flex-basis: 100%; }
}