:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #f0f4f8;
  --ink: #17202a;
  --muted: #667085;
  --line: #d9e0e8;
  --blue: #246bfe;
  --blue-soft: #eaf1ff;
  --green: #0b7f58;
  --green-soft: #e8f7f0;
  --amber: #9a6500;
  --amber-soft: #fff5da;
  --red: #bd2f2f;
  --red-soft: #fff0ee;
  --shadow: 0 18px 50px rgba(31, 41, 55, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0;
}

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

button {
  border: 0;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

.boot,
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.boot-panel,
.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.boot-panel {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: #17202a;
  color: #ffffff;
  border-radius: 8px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.15;
  margin-bottom: 8px;
}

h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 248px 1fr;
}

.sidebar {
  background: #111827;
  color: #f9fafb;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 4px 4px 10px;
}

.sidebar-brand .brand-mark {
  width: 38px;
  height: 38px;
  background: #ffffff;
  color: #111827;
}

.sidebar-brand strong {
  display: block;
  font-size: 15px;
}

.sidebar-brand span {
  display: block;
  color: #aab4c2;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #d7dee8;
  border-radius: 8px;
  padding: 10px;
  text-align: left;
}

.nav button.active,
.nav button:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #ffffff;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #c7d0dc;
}

.main {
  min-width: 0;
  padding: 22px 28px 42px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.search {
  width: min(480px, 100%);
  display: flex;
  gap: 8px;
}

.search input,
.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
}

.search input:focus,
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid rgba(36, 107, 254, 0.18);
  border-color: var(--blue);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(31, 41, 55, 0.03);
}

.panel {
  padding: 18px;
}

.card {
  padding: 16px;
}

.metric strong {
  display: block;
  font-size: 28px;
  margin-bottom: 4px;
}

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

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section-head p {
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 13px;
  border-radius: 8px;
  background: var(--blue);
  color: #ffffff;
  white-space: nowrap;
}

.btn.secondary {
  background: var(--panel-soft);
  color: var(--ink);
}

.btn.danger {
  background: var(--red-soft);
  color: var(--red);
}

.btn.ok {
  background: var(--green-soft);
  color: var(--green);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 13px;
}

.list-item.clickable {
  cursor: pointer;
}

.list-item.clickable:hover {
  border-color: #9db9ff;
}

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

.stack {
  display: grid;
  gap: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 8px;
  padding: 3px 8px;
  background: var(--panel-soft);
  color: #445160;
  font-size: 12px;
}

.chip.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.chip.green {
  background: var(--green-soft);
  color: var(--green);
}

.chip.amber {
  background: var(--amber-soft);
  color: var(--amber);
}

.chip.red {
  background: var(--red-soft);
  color: var(--red);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-weight: 650;
  color: #344054;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 16px;
}

.video-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b111a;
  color: #ffffff;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.video-frame video,
.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.preline {
  white-space: pre-wrap;
  line-height: 1.55;
}

.notice {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-soft);
}

.notice.pending {
  background: var(--amber-soft);
  border-color: #ffd77a;
}

.notice.confirmed {
  background: var(--green-soft);
  border-color: #9bdec2;
}

.notice.open {
  background: var(--red-soft);
  border-color: #ffc7bf;
}

.source {
  color: var(--muted);
  font-size: 12px;
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.tabs button {
  background: transparent;
  padding: 10px 8px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}

.tabs button.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.empty {
  padding: 20px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #ffffff;
}

.error {
  color: var(--red);
  min-height: 20px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
  }

  .sidebar-footer {
    display: none;
  }

  .nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
  }

  .main {
    padding: 18px;
  }

  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2,
  .detail-layout,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }
}