:root {
  --bg: #13161b;
  --bg-soft: #1a2028;
  --panel: #202731;
  --panel-alt: #181d25;
  --line: #313a48;
  --text: #ebf0f5;
  --muted: #98a2b3;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --green: #16a34a;
  --red: #dc2626;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  --radius: 8px;
  --sidebar-width: 248px;
  font-family: Inter, Segoe UI, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #11151b 0%, #171d26 100%);
  color: var(--text);
}

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

a {
  color: #c7d2fe;
}

.screen {
  min-height: 100vh;
}

.screen-login {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: rgba(24, 29, 37, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 12px;
}

.stack {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
}

label > span {
  color: #d7dde6;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #12171e;
  color: var(--text);
  padding: 11px 12px;
}

textarea {
  resize: vertical;
  min-height: 96px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 14px;
  cursor: pointer;
  transition: 0.2s ease;
}

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

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-danger {
  background: rgba(220, 38, 38, 0.14);
  color: #fecaca;
  border-color: rgba(220, 38, 38, 0.28);
}

.btn-small {
  padding: 8px 11px;
  font-size: 12px;
}

.error-text {
  color: #fca5a5;
  font-size: 13px;
}

#appView {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  min-height: 100vh;
  background: rgba(14, 18, 24, 0.92);
  border-right: 1px solid var(--line);
  padding: 20px 16px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  position: sticky;
  top: 0;
}

.sidebar-title {
  margin-bottom: 4px;
}

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

.nav-link {
  text-align: left;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #dce3ec;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-link.active {
  background: var(--accent-soft);
  border-color: rgba(249, 115, 22, 0.24);
  color: #fff4ea;
}

.sidebar-footer {
  display: grid;
  gap: 12px;
}

.main {
  padding: 26px;
  display: grid;
  gap: 20px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  font-size: 13px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.16);
}

.panel,
.data-card {
  background: rgba(25, 31, 40, 0.98);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.panel-head,
.data-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}

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

.stat-card {
  padding: 14px;
  border-radius: 6px;
  background: var(--panel-alt);
  border: 1px solid var(--line);
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}

.stat-card strong {
  font-size: 28px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

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

.channel-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 6px;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  font-size: 13px;
}

.section {
  display: none;
  gap: 20px;
}

.section.active {
  display: grid;
}

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

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

.checkbox-row {
  align-self: end;
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.meta-divider {
  padding-top: 8px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}

.meta-subtitle {
  margin: 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.data-card {
  padding: 16px;
}

.badge {
  border-radius: 999px;
  background: var(--accent-soft);
  color: #ffd9bf;
  border: 1px solid rgba(249, 115, 22, 0.25);
  padding: 6px 10px;
  font-size: 12px;
  white-space: nowrap;
}

.badge.meta-ok {
  background: rgba(22, 163, 74, 0.14);
  color: #bbf7d0;
  border-color: rgba(22, 163, 74, 0.3);
}

.badge.meta-fail {
  background: rgba(220, 38, 38, 0.14);
  color: #fecaca;
  border-color: rgba(220, 38, 38, 0.28);
}

.card-kicker {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.card-title {
  margin-bottom: 8px;
}

.card-body {
  color: #d5dde8;
  font-size: 13px;
  display: grid;
  gap: 8px;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1080px) {
  .stats-grid,
  .grid-two,
  .cards-grid,
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  #appView {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    position: static;
  }

  .header {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .main {
    padding: 18px;
  }

  .stats-grid,
  .grid-two,
  .cards-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
}