:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --panel: #ffffff;
  --panel-2: #eef3f8;
  --text: #182230;
  --muted: #667085;
  --line: #d8e0ea;
  --primary: #1457d9;
  --primary-strong: #0f3fa0;
  --success: #087443;
  --warning: #b54708;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(16, 24, 40, .12);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111827;
  --panel: #1f2937;
  --panel-2: #283548;
  --text: #f9fafb;
  --muted: #b9c0cc;
  --line: #3a4658;
  --primary: #77a7ff;
  --primary-strong: #adc8ff;
  --shadow: 0 18px 50px rgba(0, 0, 0, .3);
}

:root[data-theme="oled"] {
  color-scheme: dark;
  --bg: #000;
  --panel: #080808;
  --panel-2: #111;
  --text: #f7f7f7;
  --muted: #aaa;
  --line: #242424;
  --primary: #8ab4ff;
  --primary-strong: #c8dcff;
  --shadow: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select, textarea { font: inherit; }

button {
  border: 0;
  cursor: pointer;
}

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

.login-panel {
  width: min(100%, 460px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}

.brand strong {
  display: block;
  font-size: 1.1rem;
}

.brand span, .muted { color: var(--muted); }

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.auth-tabs button, .nav button, .ghost, .primary, .danger {
  min-height: 44px;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 700;
}

.auth-tabs button, .nav button, .ghost {
  background: var(--panel-2);
  color: var(--text);
}

.auth-tabs button.active, .nav button.active, .primary {
  background: var(--primary);
  color: #fff;
}

.danger {
  background: var(--danger);
  color: #fff;
}

.form-grid, form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 12px;
  min-height: 44px;
}

textarea { min-height: 82px; resize: vertical; }

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto 1fr;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: max(12px, env(safe-area-inset-top)) 16px 12px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-option {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
}

.theme-option.active {
  background: color-mix(in srgb, var(--primary) 16%, var(--panel-2));
  color: var(--primary-strong);
}

.theme-option span {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
}

.theme-light span {
  border-radius: 50%;
  background: currentColor;
  box-shadow:
    0 -10px 0 -7px currentColor,
    0 10px 0 -7px currentColor,
    10px 0 0 -7px currentColor,
    -10px 0 0 -7px currentColor,
    7px 7px 0 -7px currentColor,
    -7px 7px 0 -7px currentColor,
    7px -7px 0 -7px currentColor,
    -7px -7px 0 -7px currentColor;
}

.theme-dark span {
  border-radius: 50%;
  background: currentColor;
}

.theme-dark span::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--panel);
}

.theme-oled span {
  border: 2px solid currentColor;
  border-radius: 50%;
  overflow: hidden;
}

.theme-oled span::after {
  content: "";
  position: absolute;
  inset: 0 0 0 50%;
  background: currentColor;
}

.content {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 16px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 9;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 12px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  align-items: stretch;
}

.nav button {
  width: 100%;
  height: 52px;
  min-height: 52px;
  max-height: 52px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body[data-role="Operador"] [data-admin-only],
body[data-role="Guardia"] [data-admin-only],
body[data-role="Supervisor"] [data-admin-only],
body[data-role="Supervisor"] [data-operator-only] {
  display: none;
}

body[data-role="Operador"] .nav,
body[data-role="Guardia"] .nav,
body[data-role="Supervisor"] .nav {
  grid-template-columns: repeat(3, 1fr);
}

.nav.nav-three {
  grid-template-columns: repeat(3, 1fr);
}

.view-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 16px;
}

.view-header h1 {
  margin: 0;
  font-size: clamp(1.35rem, 4vw, 2rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.control-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  gap: 14px;
}

.control-panel {
  display: grid;
  gap: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.quick-search {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
}

.scanner-panel {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--panel-2);
}

.scanner-format {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.scanner-format button {
  min-height: 38px;
  border-radius: 8px;
  padding: 6px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  font-size: .82rem;
  font-weight: 800;
}

.scanner-format button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.scanner-view {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #000;
}

.scanner-panel video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  object-fit: cover;
}

.scanner-guide {
  position: absolute;
  left: 18%;
  right: 18%;
  top: 46%;
  height: 20%;
  border: 3px solid rgba(255, 255, 255, .9);
  border-radius: 8px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, .34);
  pointer-events: none;
}

.scanner-actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
}

.scanner-actions .active {
  background: var(--primary);
  color: #fff;
}

.scanner-status {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

.movement-form {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.movement-status {
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 800;
}

.movement-status.entry {
  background: rgba(8, 116, 67, .12);
  color: var(--success);
}

.movement-status.exit {
  background: rgba(180, 35, 24, .12);
  color: var(--danger);
}

.authorization-fields {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-2);
}

.plate-input {
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.result {
  min-height: 88px;
  display: grid;
  gap: 6px;
}

.result-status {
  width: fit-content;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: .8rem;
  font-weight: 800;
}

.result-status.ok { background: rgba(8, 116, 67, .14); color: var(--success); }
.result-status.warn { background: rgba(181, 71, 8, .14); color: var(--warning); }

.checkbox {
  display: flex;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.checkbox input { width: 20px; min-height: 20px; }

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.summary span {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}

.space-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(126px, 1fr));
  gap: 10px;
}

.space {
  display: grid;
  align-content: space-between;
  gap: 8px;
  min-height: 112px;
  border-radius: 8px;
  padding: 12px;
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
}

.space strong { font-size: 1.1rem; }
.space span { font-weight: 800; }
.space small { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.space.libre { border-left: 6px solid var(--success); }
.space.ocupada { border-left: 6px solid var(--danger); }
.space.reservada { border-left: 6px solid var(--warning); }
.space.fuera-de-servicio { border-left: 6px solid var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 10px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: .86rem; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}

.pending-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.pending-row small { display: block; color: var(--muted); }
.pending-row button { background: var(--success); color: #fff; border-radius: 8px; padding: 8px 10px; }

.photo-preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.busy {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .28);
}

.busy[hidden], [hidden] { display: none !important; }

.spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, .4);
  border-top-color: #fff;
  animation: spin .8s linear infinite;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 84px;
  z-index: 40;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: .18s ease;
  background: var(--text);
  color: var(--bg);
  border-radius: 8px;
  padding: 12px 14px;
  max-width: min(92vw, 460px);
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); color: #fff; }

.config-link {
  display: grid;
  place-items: center;
  min-height: 44px;
  text-decoration: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (min-width: 780px) {
  .nav {
    position: sticky;
    top: 0;
    bottom: auto;
    grid-template-columns: repeat(4, 1fr);
    border-right: 0;
    min-height: auto;
  }
  body[data-role="Operador"] .nav,
  body[data-role="Guardia"] .nav,
  body[data-role="Supervisor"] .nav,
  .nav.nav-three {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 520px) {
  .quick-search { grid-template-columns: 1fr; }
  .scanner-actions { grid-template-columns: 1fr; }
  .two-cols { grid-template-columns: 1fr; }
  .topbar { align-items: start; }
  .topbar-actions { flex-wrap: wrap; justify-content: end; }
  .brand img { width: 38px; height: 38px; }
  .theme-option {
    width: 34px;
    height: 34px;
    min-height: 34px;
  }
  .nav { gap: 6px; padding: 8px; }
  .nav button { font-size: .86rem; padding: 0 6px; height: 48px; min-height: 48px; max-height: 48px; }
}