:root {
  --bg: #eef3f1;
  --panel: #ffffff;
  --ink: #17211e;
  --muted: #65736f;
  --line: #dbe5e1;
  --accent: #2f6f73;
  --accent-dark: #204f54;
  --accent-soft: #e1f1ef;
  --blue: #4e6f99;
  --warning: #b54848;
  --shadow: 0 18px 50px rgba(30, 48, 43, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 8%, rgba(47, 111, 115, 0.18), transparent 24%),
    radial-gradient(circle at 90% 16%, rgba(165, 118, 58, 0.12), transparent 26%),
    var(--bg);
  color: var(--ink);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

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

.login-card,
.admin-sidebar,
.admin-main,
.panel-card,
.broadcast-card {
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-card {
  display: grid;
  gap: 14px;
  width: min(430px, 100%);
  padding: 30px;
}

.brand-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: #fff;
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

p,
span,
td {
  color: var(--muted);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

input {
  height: 42px;
  padding: 0 12px;
}

textarea {
  min-height: 130px;
  padding: 12px;
  resize: vertical;
}

.primary-btn,
.ghost-btn,
.danger-btn,
.small-btn {
  min-height: 38px;
  border: 0;
  border-radius: 8px;
  padding: 0 12px;
  font-weight: 800;
}

.primary-btn {
  background: var(--accent);
  color: #fff;
}

.ghost-btn,
.small-btn {
  display: inline-grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.danger-btn {
  background: #fae8e8;
  color: var(--warning);
}

.dashboard {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  min-height: 100vh;
  padding: 16px;
}

.admin-sidebar {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 22px;
  padding: 18px;
}

.brand-line {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-line strong {
  display: block;
}

.brand-line span {
  display: block;
  margin-top: 3px;
  font-size: 13px;
}

nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.nav-item {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  text-align: left;
  padding: 0 12px;
}

.nav-item.is-active {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.sidebar-actions {
  display: grid;
  gap: 8px;
}

.admin-main {
  min-width: 0;
  padding: 18px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.admin-header span {
  font-size: 13px;
  font-weight: 800;
}

.admin-header h1 {
  margin-top: 4px;
  font-size: 30px;
}

.admin-panel {
  display: none;
  padding-top: 18px;
}

.admin-panel.is-active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card,
.timeline-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.stat-card {
  padding: 16px;
}

.stat-card span {
  display: block;
  font-size: 13px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.panel-card,
.broadcast-card {
  padding: 16px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 12px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--ink);
  font-size: 13px;
}

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

.timeline {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.timeline-item {
  display: grid;
  gap: 5px;
  padding: 12px;
}

.timeline-item strong {
  color: var(--ink);
}

.branding-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.branding-preview strong {
  display: block;
  color: var(--ink);
}

.branding-preview span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.brand-preview-mark {
  flex: 0 0 auto;
  background-size: cover;
  background-position: center;
}

.timeline-item small {
  color: var(--muted);
}

.broadcast-card {
  display: grid;
  gap: 14px;
  max-width: 680px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  background: #17211e;
  color: #fff;
  box-shadow: var(--shadow);
}

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

  .admin-sidebar {
    grid-template-rows: auto auto auto;
  }

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

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

@media (max-width: 560px) {
  .stats-grid,
  .two-col,
  .toolbar {
    grid-template-columns: 1fr;
  }
}