:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: rgba(16, 24, 48, 0.88);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #ecf1ff;
  --muted: #9aa7c7;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --danger: #fb7185;
  --success: #4ade80;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.18), transparent 26%),
    linear-gradient(160deg, #050816, #0b1020 48%, #11162a);
  color: var(--text);
}

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

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.card {
  width: min(960px, 100%);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.hero {
  padding: 42px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  font-size: 12px;
  margin: 0 0 16px;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.95;
}

.lede {
  max-width: 56ch;
  color: var(--muted);
  line-height: 1.6;
  margin: 18px 0 28px;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.form-panel {
  padding: 42px;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(4, 8, 20, 0.36);
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.tab {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.tab.active {
  background: rgba(125, 211, 252, 0.16);
  color: var(--text);
}

/* Admin dropdown (used on app.html) */
.admin-menu {
  position: relative;
}

.admin-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.12);
  color: var(--accent);
  cursor: pointer;
  user-select: none;
  border: none;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.admin-menu-trigger:hover,
.admin-menu:hover .admin-menu-trigger {
  background: rgba(125, 211, 252, 0.2);
  color: var(--text);
}

.admin-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(10, 16, 36, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 6px;
  min-width: 170px;
  z-index: 100;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.admin-menu:hover .admin-dropdown,
.admin-menu:focus-within .admin-dropdown {
  display: flex;
}

.admin-dropdown a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--muted);
  white-space: nowrap;
  font-size: 14px;
}

.admin-dropdown a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.admin-dropdown a.active {
  background: rgba(125, 211, 252, 0.16);
  color: var(--accent);
}

/* Admin submenu strip (used inside each admin page header) */
.admin-submenu {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 999px;
  padding: 4px;
}

label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
  font-size: 15px;
  margin-bottom: 18px;
}

textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
  font-size: 15px;
  margin-bottom: 18px;
  font-family: inherit;
}

input:focus {
  outline: 2px solid rgba(56, 189, 248, 0.45);
  border-color: rgba(56, 189, 248, 0.7);
}

textarea:focus {
  outline: 2px solid rgba(56, 189, 248, 0.45);
  border-color: rgba(56, 189, 248, 0.7);
}

button {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  color: #08111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.secondary {
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.danger-button {
  background: rgba(251, 113, 133, 0.14);
  border-color: rgba(251, 113, 133, 0.35);
  color: #fecdd3;
}

.danger-button:hover {
  background: rgba(251, 113, 133, 0.22);
}

.status {
  min-height: 24px;
  font-size: 14px;
  margin-top: 14px;
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--success);
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.provider-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.provider-label {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
}

.provider-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.provider-scopes {
  margin: 10px 0 0;
  color: var(--accent);
  font-size: 13px;
  line-height: 1.4;
}

.provider-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.pill-linked {
  color: var(--success);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.requests-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.request-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.request-meta {
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.request-leg {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.users-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.user-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.role-select {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px 12px;
  min-width: 160px;
}

.audit-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.audit-card {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.aircraft-card {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.app-grid {
  width: min(1100px, 100%);
  display: grid;
  gap: 18px;
}

.panel {
  padding: 24px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.tail-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tail-editor {
  width: 260px;
  min-height: 84px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tail-editor:focus-within {
  outline: 2px solid rgba(56, 189, 248, 0.45);
  border-color: rgba(56, 189, 248, 0.7);
}

.tail-editor.disabled {
  opacity: 0.65;
}

.tail-editor .tail-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tail-editor-input {
  width: auto;
  min-width: 140px;
  flex: 1;
  margin: 0;
  padding: 6px 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.tail-editor-input:focus {
  outline: none;
  border-color: transparent;
}

.tail-pill {
  color: var(--text);
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.35);
  gap: 6px;
}

.tail-pill-remove {
  width: auto;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  font-size: 14px;
  line-height: 1;
  font-weight: 700;
  color: var(--text);
  background: transparent;
  cursor: pointer;
}

.tail-pill-remove:hover {
  color: var(--danger);
}

/* ── Trip type selector buttons ── */
.trip-type-btn {
  flex: 1;
  margin: 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.trip-type-btn.active {
  background: rgba(125, 211, 252, 0.16);
  color: var(--accent);
  border-color: rgba(125, 211, 252, 0.3);
}

.trip-type-btn:hover:not(.active) {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

/* ── Calendar ── */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 4px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0 2px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  min-height: 84px;
  padding: 8px 8px 6px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: background 0.15s;
  overflow: hidden;
}

.calendar-day:hover {
  background: rgba(125, 211, 252, 0.07);
  border-color: rgba(125, 211, 252, 0.2);
}

.calendar-day.other-month {
  opacity: 0.3;
  cursor: default;
}

.calendar-day.other-month:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.05);
}

.calendar-day.past {
  background: rgba(255, 255, 255, 0.01);
  border-color: rgba(255, 255, 255, 0.035);
  cursor: not-allowed;
  filter: grayscale(0.9);
  opacity: 0.42;
}

.calendar-day.past:hover {
  background: rgba(255, 255, 255, 0.01);
  border-color: rgba(255, 255, 255, 0.035);
}

.calendar-day.past .calendar-day-num {
  color: rgba(148, 163, 184, 0.55);
}

.calendar-day.past .trip-pill {
  cursor: pointer;
}

.calendar-day.today {
  border-color: rgba(125, 211, 252, 0.45);
  background: rgba(125, 211, 252, 0.06);
}

.calendar-day-num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
  line-height: 1;
}

.calendar-day.today .calendar-day-num {
  color: var(--accent);
}

.calendar-day-trips {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.trip-pill {
  display: block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 7px;
  border-radius: 6px;
  border: 1px solid;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  line-height: 1.4;
}

.trip-pill:hover {
  filter: brightness(1.2);
}

/* ── Modal overlay ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 22, 0.78);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: #0d1530;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 28px;
  width: min(480px, 100%);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.modal h2 {
  margin-top: 0;
}

/* ── Detail modal wider ── */
.modal.wide {
  width: min(560px, 100%);
}

@media (max-width: 900px) {
  .card {
    grid-template-columns: 1fr;
  }

  .form-panel {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .calendar-day {
    min-height: 60px;
    padding: 6px 4px 4px;
  }

  .calendar-day-num {
    font-size: 11px;
  }

  .trip-pill {
    font-size: 10px;
    padding: 2px 4px;
  }
}