/* ── Variables ── */
:root {
  --teal: #01A490;
  --teal-dark: #017d6e;
  --teal-light: #e6f7f5;
  --teal-xlight: #f0faf9;
  --text: #222;
  --text-muted: #666;
  --border: #dde4e2;
  --danger: #c0392b;
  --danger-light: #fdf0ef;
  --warn: #e67e22;
  --warn-light: #fef5ec;
  --success-light: #eafaf1;
  --success: #27ae60;
  --white: #fff;
  --radius: 6px;
  --shadow: 0 1px 4px rgba(0,0,0,.1);
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: #f5f7f7;
  min-height: 100vh;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ── */
nav {
  background: var(--teal);
  color: var(--white);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  height: 52px;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}

.nav-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  white-space: nowrap;
  margin-right: auto;
}
.nav-brand span { opacity: .75; font-weight: 400; }

nav a {
  color: rgba(255,255,255,.88);
  font-size: .9rem;
  white-space: nowrap;
  transition: color .15s;
}
nav a:hover { color: var(--white); text-decoration: none; }
nav a.active { color: var(--white); font-weight: 600; }

.nav-spacer { flex: 1; }

.nav-user {
  font-size: .82rem;
  color: rgba(255,255,255,.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* ── Page layout ── */
.page { max-width: 900px; margin: 2rem auto; padding: 0 1rem; }

.page-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--teal-dark);
}

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .75rem;
}

/* ── Stats grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: .3rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

th {
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  padding: .5rem .75rem;
}

td {
  padding: .55rem .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--teal-xlight); }

.return-leg td:first-child { padding-left: 2rem; }
.return-leg .trip-dest::before { content: '↩ '; color: var(--text-muted); }

.col-actions { text-align: right; white-space: nowrap; }

/* ── Date group header ── */
.date-group-header {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: .5rem .75rem .25rem;
  background: var(--teal-xlight);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── Forms ── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .75rem;
  margin-bottom: .75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

input[type=text],
input[type=date],
input[type=number],
input[type=email],
textarea,
select {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .45rem .65rem;
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(1,164,144,.15);
}

.distance-field { position: relative; }
.distance-field input { padding-left: 2rem; }
.distance-field::before { content: '≈'; position: absolute; left: .6rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; font-size: 1rem; }
.distance-loading::after { content: '…'; position: absolute; right: .6rem; top: 50%; transform: translateY(-50%); color: var(--teal); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: .5rem 0;
}
.checkbox-row input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--teal); cursor: pointer; }
.checkbox-row label { font-size: .9rem; font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--text); cursor: pointer; margin: 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .45rem 1rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background .15s, opacity .15s;
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
}

.btn:hover { text-decoration: none; opacity: .88; }

.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); opacity: 1; }

.btn-outline {
  background: var(--white);
  color: var(--teal);
  border: 1.5px solid var(--teal);
}

.btn-sm { padding: .3rem .7rem; font-size: .8rem; }

.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #a93226; opacity: 1; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-group { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warn { background: var(--warn-light); color: var(--warn); }
.badge-muted { background: #f0f0f0; color: var(--text-muted); }

/* ── Alerts / Flashes ── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .9rem;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-light); color: #1e8449; border-color: #a9dfbf; }
.alert-error   { background: var(--danger-light);  color: var(--danger); border-color: #f5b7b1; }
.alert-warn    { background: var(--warn-light);    color: #935116; border-color: #fad7a0; }

/* ── Locked banner ── */
.locked-banner {
  background: var(--warn-light);
  border: 1px solid #fad7a0;
  border-radius: var(--radius);
  padding: .65rem 1rem;
  font-size: .88rem;
  color: #935116;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Month selector ── */
.month-selector {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.month-selector select { width: auto; }

/* ── Login page ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%);
}

.login-box {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  width: 400px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}

.login-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal);
  margin-bottom: .5rem;
}

.login-sub {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 2rem;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  width: 100%;
  padding: .7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: .95rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: background .15s;
}
.btn-google:hover { background: #f8f8f8; text-decoration: none; }
.btn-google svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Totals row ── */
.totals-row td {
  font-weight: 700;
  border-top: 2px solid var(--border);
  border-bottom: none;
}

/* ── Quick-add panel ── */
.quick-add {
  background: var(--teal-light);
  border: 1px solid #b2ddd8;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.quick-add h2 {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--teal-dark);
  margin-bottom: 1rem;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: .9rem;
}

/* ── Autocomplete dropdown ── */
.pac-container {
  font-family: inherit !important;
  font-size: .9rem !important;
  border-radius: 0 0 var(--radius) var(--radius) !important;
  border-top: none !important;
  box-shadow: 0 4px 12px rgba(0,0,0,.15) !important;
  z-index: 9999 !important;
}
.pac-item { padding: .4rem .75rem !important; cursor: pointer !important; }
.pac-item:hover { background: var(--teal-xlight) !important; }

/* ── Responsive ── */
@media (max-width: 640px) {
  nav { gap: .75rem; padding: 0 .75rem; }
  .nav-user { display: none; }
  .page { padding: 0 .75rem; margin: 1rem auto; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}