:root {
  color-scheme: light;
  --bg: #0b1220;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --danger: #ff6b6b;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(124, 92, 255, 0.35), transparent 55%),
    radial-gradient(900px 600px at 85% 20%, rgba(34, 211, 238, 0.25), transparent 55%),
    radial-gradient(1000px 700px at 50% 95%, rgba(124, 92, 255, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.55);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: grid;
  gap: 4px;
}

.brand__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__subtitle {
  color: var(--muted);
  font-size: 13px;
}

main.container {
  padding: 26px 0 48px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.05));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 20px;
  min-height: 520px;
}

.header__admin {
  white-space: nowrap;
}

.title {
  margin: 0 0 10px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.6;
}

.layout {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.stack {
  display: grid;
  gap: 18px;
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: 1.25fr 1fr;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.panel--sticky {
  position: sticky;
  top: 96px;
}

.panel__title {
  margin: 0 0 8px;
  font-size: 16px;
}

.panel__text {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.field {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

label {
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  background: rgba(11, 18, 32, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  outline: none;
  font-family: inherit;
  font-size: 14px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: rgba(124, 92, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.14);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid rgba(124, 92, 255, 0.5);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.35), rgba(124, 92, 255, 0.16));
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.btn:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.24), rgba(124, 92, 255, 0.16));
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  font-weight: 600;
  color: var(--muted);
}

.btn--danger {
  border-color: rgba(255, 107, 107, 0.6);
  background: linear-gradient(180deg, rgba(255, 107, 107, 0.35), rgba(255, 107, 107, 0.16));
}

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  border-radius: 999px;
  padding: 12px 18px;
  box-shadow: var(--shadow);
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  display: grid;
  place-items: center;
  z-index: 30;
  padding: 24px;
}

.modal {
  width: min(560px, 100%);
  background: rgba(11, 18, 32, 0.95);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

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

.modal__title {
  margin: 0;
  font-size: 18px;
}

.modal__close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
}

.list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.list-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(11, 18, 32, 0.35);
  display: grid;
  gap: 6px;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}

.list-item:hover {
  border-color: rgba(124, 92, 255, 0.5);
  background: rgba(11, 18, 32, 0.5);
}

.list-item__title {
  font-weight: 700;
}

.list-item__check {
  margin-right: 8px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent-2);
}

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

.list-item__author {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

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

.list-head__left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.list-head__check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.list-item__meta {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.tag--admin {
  border-color: rgba(34, 211, 238, 0.45);
  color: var(--accent-2);
}

.empty {
  color: var(--muted);
  font-size: 13px;
}

.detail__content {
  white-space: pre-wrap;
  line-height: 1.6;
  margin-top: 8px;
}

.footer {
  border-top: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.55);
}

.footer__inner {
  padding: 18px 0;
  color: var(--muted);
}

.toast {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(34, 211, 238, 0.45);
  background: rgba(34, 211, 238, 0.1);
  color: var(--text);
  font-size: 13px;
}