:root {
  --bg: #f3f6f4;
  --surface: #ffffff;
  --surface-2: #eaf0ed;
  --border: #d6ded9;
  --border-strong: #b9c6c0;
  --text: #16211d;
  --text-muted: #5b6b64;
  --text-faint: #8a9992;
  --accent: #2f6f5e;
  --accent-strong: #1f4f42;
  --accent-soft: #e2efe9;
  --car-a: #2f6f5e;
  --car-a-soft: #e2efe9;
  --car-b: #a9611c;
  --car-b-soft: #f6e9da;
  --today-ring: #1f4f42;
  --danger: #b3432f;
  --shadow: 0 1px 2px rgba(20, 30, 26, 0.06), 0 8px 24px -12px rgba(20, 30, 26, 0.12);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121815;
    --surface: #1a2320;
    --surface-2: #212c27;
    --border: #33413b;
    --border-strong: #445048;
    --text: #e9efec;
    --text-muted: #a3b3ac;
    --text-faint: #74857e;
    --accent: #62b79b;
    --accent-strong: #7fcbb0;
    --accent-soft: #1e332c;
    --car-a: #62b79b;
    --car-a-soft: #1c332b;
    --car-b: #d69a5c;
    --car-b-soft: #3a2c1c;
    --today-ring: #7fcbb0;
    --danger: #e08674;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 28px -12px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121815; --surface: #1a2320; --surface-2: #212c27; --border: #33413b;
  --border-strong: #445048; --text: #e9efec; --text-muted: #a3b3ac; --text-faint: #74857e;
  --accent: #62b79b; --accent-strong: #7fcbb0; --accent-soft: #1e332c;
  --car-a: #62b79b; --car-a-soft: #1c332b; --car-b: #d69a5c; --car-b-soft: #3a2c1c;
  --today-ring: #7fcbb0; --danger: #e08674;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 28px -12px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

.page { max-width: 1180px; margin: 0 auto; padding: 40px 24px 64px; display: flex; flex-direction: column; gap: 20px; }

header.top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 8px; }
h1 { font-family: "Gothic A1", sans-serif; font-weight: 800; font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 6px; letter-spacing: -.01em; text-wrap: balance; }
.titleblock p { margin: 0; color: var(--text-muted); font-size: 14.5px; }

.admin-area { display: flex; align-items: center; gap: 10px; }
.admin-status { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
#admin-email { font-family: "IBM Plex Mono", monospace; font-size: 12.5px; }

.admin-btn { padding: 9px 15px; border-radius: 9px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600; font-family: inherit; cursor: pointer; }
.admin-btn:hover { background: var(--surface-2); }
.admin-btn.ghost { border-color: transparent; color: var(--text-muted); }

section.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 24px; }
.card-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 18px; }
.card-head h2 { font-family: "Gothic A1", sans-serif; font-weight: 700; font-size: 17px; margin: 0; display: flex; align-items: center; gap: 8px; }
.badge-public, .badge-admin { font-family: "Noto Sans KR", sans-serif; font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 6px; }
.badge-public { background: var(--accent-soft); color: var(--accent-strong); }
.badge-admin { background: var(--surface-2); color: var(--text-muted); }

.fleet-legend { display: flex; gap: 10px; flex-wrap: wrap; }
.fleet-chip { display: flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border); font-size: 12.5px; }
.fleet-chip .swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.fleet-chip .plate { font-family: "IBM Plex Mono", monospace; font-weight: 600; }
.fleet-chip .model { color: var(--text-muted); }

/* weekly timeline */
.week-container { display: flex; flex-direction: column; gap: 14px; overflow-x: auto; padding-bottom: 4px; }
.week-row { display: grid; grid-template-columns: repeat(5, minmax(150px, 1fr)); gap: 8px; min-width: 760px; }
.day-card { border: 1px solid var(--border); border-radius: 12px; padding: 10px 10px 12px; background: var(--surface); }
.day-card.today { box-shadow: inset 0 0 0 2px var(--today-ring); }
.day-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.day-head .d-date { font-family: "IBM Plex Mono", monospace; font-weight: 600; font-size: 13px; }
.day-head .d-dow { font-size: 11px; color: var(--text-faint); }
.day-card.today .day-head .d-date { color: var(--today-ring); }
.day-card.today .day-head .d-dow::after { content: " · 오늘"; color: var(--today-ring); font-weight: 600; }

.vehicle-track { margin-top: 10px; cursor: pointer; border-radius: 8px; padding: 4px; margin: 10px -4px 0; transition: background .1s ease; }
.vehicle-track:hover { background: var(--surface-2); }
.vehicle-track .v-label { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; color: var(--text-faint); margin-bottom: 4px; display: flex; justify-content: space-between; gap: 4px; }
.vehicle-track .v-label .v-time { color: var(--text-muted); font-weight: 500; }

.half-block { display: flex; align-items: center; gap: 6px; margin-top: 3px; }
.half-block .half-label { font-size: 10px; color: var(--text-faint); width: 22px; flex: none; }
.half-bar { flex: 1; height: 10px; border-radius: 4px; background: var(--surface-2); border: 1px solid var(--border); overflow: hidden; }
.half-fill { display: block; height: 100%; border-radius: 3px 0 0 3px; }

.day-empty { margin-top: 10px; font-size: 11.5px; color: var(--text-faint); }

/* click-to-open detail popover */
.popover {
  position: fixed; z-index: 100; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; box-shadow: var(--shadow); max-width: 260px;
}
.pop-item + .pop-item { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.pop-item .pop-plate { font-family: "IBM Plex Mono", monospace; font-weight: 700; font-size: 12.5px; }
.pop-item .pop-period { font-family: "IBM Plex Mono", monospace; font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }
.pop-item .pop-detail { font-size: 12px; color: var(--text); margin-top: 3px; }

.legend-note { margin-top: 12px; font-size: 12px; color: var(--text-muted); }

.lower { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
@media (max-width: 780px) { .lower { grid-template-columns: 1fr; } }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--text-muted); }
.field input, .field select {
  border: 1px solid var(--border); background: var(--surface-2); border-radius: 8px;
  padding: 10px 11px; font-size: 13px; color: var(--text); font-family: "Noto Sans KR", sans-serif;
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field-pair { display: flex; gap: 8px; }
.field-pair input { flex: 1; min-width: 0; }

.field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .field-row-3 { grid-template-columns: 1fr; } }

.submit-row { display: flex; justify-content: flex-end; align-items: center; gap: 12px; margin-top: 4px; }
.form-msg { font-size: 12.5px; color: var(--text-muted); }
.form-msg.error { color: var(--danger); }
.form-msg.ok { color: var(--accent-strong); }

.btn-primary, .btn-ghost {
  padding: 10px 18px; border-radius: 9px; font-size: 13px; font-weight: 700; font-family: inherit; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: var(--border-strong); color: var(--text-muted); }

.hint { font-size: 11.5px; color: var(--text-faint); margin-top: 10px; line-height: 1.6; }

.vehicle-list .v-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 4px; border-bottom: 1px solid var(--border); font-size: 13px; }
.vehicle-list .v-row:last-child { border-bottom: none; }
.vehicle-list .v-row .plate { font-family: "IBM Plex Mono", monospace; font-weight: 600; }
.vehicle-list .v-row .model { color: var(--text-muted); font-size: 12px; margin-left: 8px; }
.vehicle-list .v-row .v-toggle { font-size: 11.5px; padding: 4px 9px; border-radius: 6px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-muted); cursor: pointer; }
.vehicle-list .v-row.inactive { opacity: .55; }

.v-toggle.danger { border-color: var(--danger); color: var(--danger); }

.booking-admin-list { display: flex; flex-direction: column; gap: 10px; }
.booking-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); }
.booking-row .b-main { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.booking-row .b-main .plate { font-family: "IBM Plex Mono", monospace; font-weight: 700; }
.booking-row .b-main .b-period { font-family: "IBM Plex Mono", monospace; color: var(--text-muted); font-size: 12.5px; }
.booking-row .b-sub { flex: 1; min-width: 200px; font-size: 12.5px; color: var(--text-muted); }
.booking-row .v-toggle { margin-left: auto; }

.modal { position: fixed; inset: 0; background: rgba(10, 16, 13, .45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-box { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; width: 100%; max-width: 340px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px; }
.modal-box h3 { margin: 0 0 4px; font-family: "Gothic A1", sans-serif; font-size: 16px; }