:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fef3c7;
  --success: #16a34a;
  --danger: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f2f5;
  color: var(--gray-900);
  line-height: 1.5;
}

/* ─── Header ──────────────────────────────────── */
.header {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0 1.5rem;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0.5rem;
  z-index: 100;
  max-width: calc(1400px - 3rem);
  margin: 0.5rem auto 0;
  width: calc(100% - 3rem);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.header-left { display: flex; align-items: center; gap: 1.5rem; }
.logo-img { height: 36px; }
.header-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.header-title .t1 { color: var(--gray-900); }
.header-title .t2 { color: var(--primary); }
.header-nav { display: flex; gap: 0.35rem; align-items: center; }
.header-nav a {
  text-decoration: none;
  color: var(--gray-500);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.header-nav a:hover { background: var(--primary-light); color: var(--primary-dark); }
.header-nav a.active { background: var(--primary); color: #fff; }
.header-nav a.btn-primary { color: #fff; background: var(--primary); }
.header-nav a.btn-primary:hover { background: var(--primary-dark); color: #000; }

/* ─── Main ────────────────────────────────────── */
.main { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }

/* ─── Stats ───────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.stat-card .stat-value { font-size: 2rem; font-weight: 700; color: var(--primary-dark); }
.stat-card .stat-label { font-size: 0.82rem; color: var(--gray-500); margin-top: 0.25rem; }

/* ─── Cards ───────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

/* ─── Tables ──────────────────────────────────── */
.table-wrap {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th {
  background: var(--gray-50);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}
td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
tr:hover td { background: var(--gray-50); }

/* ─── Forms ───────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.25rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--gray-500); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(245,158,11,0.15);
}
.form-actions { display: flex; gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap; }

/* ─── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1.2rem; border: none; border-radius: var(--radius);
  font-size: 0.9rem; font-family: inherit; cursor: pointer;
  text-decoration: none; transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-outline { background: #fff; border: 1px solid var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { background: var(--gray-100); }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.82rem; }

/* ─── Badges ──────────────────────────────────── */
.badge {
  display: inline-block; padding: 0.15rem 0.5rem;
  border-radius: 10px; font-size: 0.78rem; font-weight: 500; white-space: nowrap;
}
.badge-amber { background: var(--primary-light); color: var(--primary-dark); }
.badge-green { background: #dcfce7; color: #166534; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

.driver-num {
  display: inline-block; background: var(--primary);
  color: #fff; font-weight: 700; font-size: 0.85rem;
  padding: 0.15rem 0.55rem; border-radius: 6px; min-width: 36px; text-align: center;
}

/* ─── Calendar grid ───────────────────────────── */
.cal-nav { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.cal-nav .week-label { font-weight: 600; font-size: 1rem; }
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}
.cal-day {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  min-height: 140px;
  padding: 0.5rem;
}
.cal-day.today { border-color: var(--primary); border-width: 2px; }
.cal-day-header {
  font-size: 0.78rem; font-weight: 600; color: var(--gray-500);
  margin-bottom: 0.5rem; text-align: center;
  padding-bottom: 0.35rem; border-bottom: 1px solid var(--gray-100);
}
.cal-day-header .date { display: block; font-size: 1.1rem; color: var(--gray-900); }
.cal-day.today .cal-day-header .date { color: var(--primary-dark); }
.cal-shift {
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  border-radius: 0 4px 4px 0;
  padding: 0.25rem 0.4rem;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
}
.cal-shift .shift-name { font-weight: 600; }
.cal-shift .shift-time { color: var(--gray-500); }
.cal-shift form { display: inline; }
.cal-shift .del-btn {
  background: none; border: none; color: var(--danger); cursor: pointer;
  font-size: 0.7rem; padding: 0; float: right;
}

/* ─── Footer ──────────────────────────────────── */
.footer {
  text-align: center; padding: 1.5rem; color: var(--gray-500); font-size: 0.82rem;
}
.footer a { color: var(--gray-500); text-decoration: none; }
.footer a:hover { color: var(--primary-dark); }
.footer-demo { font-size: 0.75rem; color: var(--gray-500); margin-top: 0.25rem; }

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .header { flex-wrap: wrap; padding: 0.5rem 1rem; gap: 0.5rem; }
  .header-nav { width: 100%; justify-content: center; flex-wrap: wrap; }
  .main { padding: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .cal-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   MOBILE APP STYLES
   ============================================================ */
.m-body {
  background: #1a1a2e;
  color: #fff;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Login */
.m-login {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 100vh; padding: 2rem;
}
.m-login-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%; max-width: 340px;
  text-align: center;
}
.m-login-icon { font-size: 3.5rem; margin-bottom: 0.5rem; }
.m-login-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.25rem; }
.m-login-sub { color: rgba(255,255,255,0.5); font-size: 0.85rem; margin-bottom: 1.5rem; }
.m-input {
  width: 100%; padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px; color: #fff;
  font-size: 1.1rem; text-align: center;
  outline: none; margin-bottom: 0.75rem;
  font-family: inherit; letter-spacing: 0.15em;
}
.m-input::placeholder { color: rgba(255,255,255,0.3); letter-spacing: 0.05em; }
.m-input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(245,158,11,0.2); }
.m-btn {
  width: 100%; padding: 0.85rem;
  background: var(--primary); color: #000;
  border: none; border-radius: 10px;
  font-size: 1.1rem; font-weight: 700;
  cursor: pointer; margin-top: 0.5rem;
  font-family: inherit;
}
.m-btn:active { transform: scale(0.97); }
.m-error {
  background: rgba(220,38,38,0.15);
  color: #fca5a5; padding: 0.5rem;
  border-radius: 8px; font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

/* App */
.m-header {
  background: rgba(255,255,255,0.06);
  padding: 1rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
}
.m-header-left { display: flex; align-items: center; gap: 0.75rem; }
.m-header .driver-num {
  font-size: 1rem; padding: 0.3rem 0.7rem;
}
.m-header-name { font-weight: 600; font-size: 1rem; }
.m-header-link { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; }

.m-main { padding: 1.25rem; max-width: 500px; margin: 0 auto; }

.m-shift-card {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 12px; padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.m-shift-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.1em; }
.m-shift-time { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.m-no-shift {
  text-align: center; padding: 1rem;
  color: rgba(255,255,255,0.4); font-size: 0.9rem;
  background: rgba(255,255,255,0.04);
  border-radius: 12px; margin-bottom: 1.25rem;
}

.m-earn-card {
  background: rgba(22,163,74,0.12);
  border: 1px solid rgba(22,163,74,0.25);
  border-radius: 12px; padding: 1rem 1.25rem;
  margin-bottom: 1.25rem; text-align: center;
}
.m-earn-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.1em; }
.m-earn-value { font-size: 2.2rem; font-weight: 700; color: #4ade80; }

.m-form-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.m-form-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; }
.m-amount-input {
  width: 100%; padding: 1rem;
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 12px; color: #fff;
  font-size: 2rem; font-weight: 700;
  text-align: center; outline: none;
  font-family: inherit;
}
.m-amount-input:focus { border-color: var(--primary); }
.m-amount-input::placeholder { color: rgba(255,255,255,0.2); }
.m-note-input {
  width: 100%; padding: 0.65rem 0.85rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; color: #fff;
  font-size: 0.9rem; outline: none;
  margin-top: 0.75rem; font-family: inherit;
}
.m-note-input::placeholder { color: rgba(255,255,255,0.25); }
.m-submit {
  width: 100%; padding: 1rem;
  background: var(--success); color: #fff;
  border: none; border-radius: 12px;
  font-size: 1.15rem; font-weight: 700;
  cursor: pointer; margin-top: 1rem;
  font-family: inherit;
}
.m-submit:active { transform: scale(0.97); }

.m-rides-title {
  font-size: 0.78rem; color: rgba(255,255,255,0.5);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.m-ride-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.m-ride-time { color: rgba(255,255,255,0.4); font-size: 0.82rem; }
.m-ride-note { color: rgba(255,255,255,0.6); font-size: 0.82rem; }
.m-ride-amount { font-weight: 700; color: var(--primary); font-size: 1.05rem; }

.m-footer {
  text-align: center; padding: 2rem 1rem;
  color: rgba(255,255,255,0.25); font-size: 0.75rem;
}

/* Mobile history page */
.m-hist-day { font-size: 0.82rem; font-weight: 600; color: var(--primary); margin-top: 1rem; margin-bottom: 0.35rem; }
.m-back { display: inline-flex; align-items: center; gap: 0.35rem; color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; margin-bottom: 1rem; }
.m-back:hover { color: #fff; }

/* Mobile form fields */
.m-label {
  display: block; font-size: 0.75rem; color: rgba(255,255,255,0.45);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.2rem; margin-top: 0.5rem;
}
.m-field {
  width: 100%; padding: 0.6rem 0.5rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px; color: #fff;
  font-size: 0.95rem; outline: none; font-family: inherit;
  min-width: 0;
}
.m-field:focus { border-color: var(--primary); }
.m-section-title {
  font-size: 0.78rem; font-weight: 600; color: rgba(255,255,255,0.6);
  margin-top: 1rem; margin-bottom: 0.25rem;
  padding-top: 0.75rem; border-top: 1px solid rgba(255,255,255,0.08);
}
.text-right { text-align: right; }