:root {
  --bg: #0f1419;
  --bg-card: #1a222c;
  --bg-elevated: #232d3a;
  --border: #2e3a48;
  --text: #e8eef4;
  --text-muted: #9aabbc;
  --accent: #e8a317;
  --accent-hover: #f0b83a;
  --accent-dim: rgba(232, 163, 23, 0.15);
  --success: #3d9a5f;
  --success-bg: rgba(61, 154, 95, 0.15);
  --danger: #d64545;
  --danger-bg: rgba(214, 69, 69, 0.15);
  --info: #3b82c4;
  --info-bg: rgba(59, 130, 196, 0.15);
  --warning: #c9922a;
  --warning-bg: rgba(201, 146, 42, 0.15);
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

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

/* Nav */
.nav {
  background: linear-gradient(180deg, #1c2530 0%, #151c24 100%);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  margin-right: 16px;
}

.nav-brand:hover { text-decoration: none; color: var(--accent); }

.nav-brand .logo {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #1a1200;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.nav-links { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }

.nav-links a {
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--bg-elevated);
  text-decoration: none;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.nav-user img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
}

.nav-user .logout {
  color: #f08080;
  font-weight: 600;
  text-decoration: none;
}

.nav-user .logout:hover { color: #ffaaaa; }

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.hero {
  text-align: center;
  padding: 60px 20px 40px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(232, 163, 23, 0.12) 0%, transparent 55%),
    var(--bg);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card h2 {
  margin: 0 0 16px;
  font-size: 1.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  font-family: inherit;
}

.btn:active { transform: scale(0.98); }
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #1a1200;
}
.btn-primary:hover { background: var(--accent-hover); color: #1a1200; }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: #2c3848; color: var(--text); }

.btn-amazon {
  background: #ff9900;
  color: #111;
  border: 1px solid #e88b00;
  width: 100%;
  font-weight: 700;
}
.btn-amazon:hover { background: #ffb84d; color: #111; }

.btn-amazon .a-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: #232f3e;
  color: #ff9900;
  font-size: 1rem;
  font-weight: 800;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
}

.btn-google {
  background: #fff;
  color: #1f1f1f;
  border: 1px solid #dadce0;
  width: 100%;
  font-weight: 600;
}
.btn-google:hover { background: #f7f8f8; color: #1f1f1f; }

.btn-google .g-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(135deg, #4285f4 0%, #34a853 40%, #fbbc05 70%, #ea4335 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
}

.btn-danger {
  background: var(--danger-bg);
  color: #ffb0b0;
  border: 1px solid rgba(214, 69, 69, 0.4);
  padding: 8px 14px;
  font-size: 0.85rem;
}
.btn-danger:hover { background: rgba(214, 69, 69, 0.3); color: #ffc8c8; }

.btn-sm { padding: 8px 14px; font-size: 0.85rem; }

.btn:disabled,
.btn.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Forms */
label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  margin-bottom: 16px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

textarea { min-height: 100px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px 16px;
}

.form-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: -10px 0 16px;
}

.label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85em;
}

/* Native date picker — larger, clearer calendar control */
.date-field {
  min-width: 0;
}

.date-input-wrap {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 16px;
}

.date-input-wrap .date-picker {
  margin-bottom: 0;
  flex: 1;
  min-height: 48px;
  font-size: 1.05rem;
  color-scheme: dark;
  cursor: pointer;
}

/* Chromium calendar icon contrast on dark inputs */
.date-input-wrap .date-picker::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.9;
  filter: invert(0.85);
  padding: 4px;
  border-radius: 4px;
}

.date-input-wrap .date-picker::-webkit-calendar-picker-indicator:hover {
  background: var(--bg-elevated);
}

.date-picker-btn {
  flex: 0 0 48px;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 8px 8px 0;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.date-picker-btn:hover {
  background: #2c3848;
  color: var(--accent);
}

.date-input-wrap .date-picker {
  border-radius: 8px 0 0 8px;
}

/* Clock-style preferred time picker */
.time-picker-block {
  margin: 8px 0 20px;
}

.time-picker-block > label {
  margin-bottom: 12px;
}

.clock-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  padding: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.clock-face {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--bg-card) 0 38%, transparent 39%),
    conic-gradient(from 0deg, #1a222c, #232d3a, #1a222c);
  border: 3px solid var(--border);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}

.clock-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  min-width: 72px;
  text-align: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--accent);
  pointer-events: none;
}

.clock-hour {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 36px;
  height: 36px;
  margin: -18px;
  border: none;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  z-index: 2;
  /* 12 at top: rotate then push outward */
  transform:
    rotate(var(--angle))
    translateY(-88px)
    rotate(calc(-1 * var(--angle)));
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: background 0.12s, color 0.12s, transform 0.12s;
}

.clock-hour:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.clock-hour.is-selected {
  background: var(--accent);
  color: #1a1200;
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.clock-hand {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3px;
  height: 70px;
  margin-left: -1.5px;
  margin-top: -70px;
  background: var(--accent);
  border-radius: 2px;
  transform-origin: bottom center;
  transform: rotate(var(--angle, 0deg));
  z-index: 1;
  pointer-events: none;
  opacity: 0.85;
}

.clock-hand::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--accent);
}

.clock-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 160px;
}

.clock-ampm {
  display: flex;
  gap: 8px;
}

.clock-ampm-btn,
.clock-minute-btn {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.clock-ampm-btn:hover,
.clock-minute-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.clock-ampm-btn.is-selected,
.clock-minute-btn.is-selected {
  background: var(--accent);
  color: #1a1200;
  border-color: var(--accent);
}

.clock-minutes-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.clock-minute-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.clock-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 200px;
  line-height: 1.4;
}

@media (max-width: 520px) {
  .clock-picker {
    justify-content: center;
  }
  .clock-side {
    width: 100%;
    align-items: stretch;
  }
  .clock-hint {
    max-width: none;
  }
}

/* Single bottom weekend key-drop reminder */
.weekend-reminder {
  display: none;
  margin: 12px 0 20px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #3b0d0d;
  border: 2px solid #e53935;
  color: #ffcdd2;
  font-size: 0.98rem;
  line-height: 1.5;
}

.weekend-reminder.is-visible {
  display: block;
}

.weekend-reminder[hidden] {
  display: none !important;
}

.weekend-reminder strong {
  color: #fff;
}

.weekend-reminder a {
  color: #ff8a80;
  font-weight: 700;
  text-decoration: underline;
}

.weekend-reminder a:hover {
  color: #ffcdd2;
}

/* Tables / lists */
.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
}

.list-item .meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.list-item .title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.empty {
  color: var(--text-muted);
  text-align: center;
  padding: 32px 16px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-pending { background: var(--warning-bg); color: #f0c56a; }
.badge-approved { background: var(--success-bg); color: #7ddea0; }
.badge-denied { background: var(--danger-bg); color: #f0a0a0; }
.badge-cancelled { background: rgba(150, 150, 150, 0.2); color: #b0b0b0; }
.badge-status { background: var(--info-bg); color: #8ec5f0; }

/* Flash */
.flash {
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-weight: 600;
}

.flash-success {
  background: var(--success-bg);
  border: 1px solid rgba(61, 154, 95, 0.4);
  color: #9eebb8;
}

.flash-error {
  background: var(--danger-bg);
  border: 1px solid rgba(214, 69, 69, 0.4);
  color: #f0b0b0;
}

.alert-error {
  background: var(--danger-bg);
  border: 1px solid rgba(214, 69, 69, 0.4);
  color: #f0b0b0;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}

/* Login */
.login-wrap {
  max-width: 420px;
  margin: 40px auto;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  margin: 20px 0;
  font-size: 0.85rem;
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.oauth-stack { display: flex; flex-direction: column; gap: 12px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature .icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.feature h3 { margin: 0 0 8px; }
.feature p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.page-header h1 { margin: 0; font-size: 1.75rem; }

.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 24px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.response-box {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .nav { flex-wrap: wrap; padding: 12px 16px; }
  .nav-user { width: 100%; justify-content: flex-end; }
}