:root {
  --bg: #f4f9ff;
  --panel: #ffffff;
  --panel-soft: #eef5ff;
  --text: #0d2240;
  --muted: #4f6686;
  --primary: #0d4e9b;
  --primary-strong: #063678;
  --line: #d6e7ff;
  --danger: #a33a3a;
  --danger-soft: #fff1f1;
  --success: #1f7a4d;
  --success-soft: #edf9f1;
  --shadow: 0 18px 38px rgba(13, 78, 155, 0.1);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Nunito Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(64, 186, 247, 0.16), transparent 24%),
    linear-gradient(180deg, #eef6ff 0%, #f8fcff 100%);
}

h1,
h2,
h3,
strong {
  font-family: "Sora", sans-serif;
}

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

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

button {
  cursor: pointer;
}

input,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid #c9ddfb;
  border-radius: 14px;
  background: #fbfdff;
  color: var(--text);
  padding: 12px 14px;
}

textarea {
  resize: vertical;
}

label {
  display: block;
  font-weight: 800;
}

.eyebrow,
.kicker {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(145deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 12px 24px rgba(13, 78, 155, 0.22);
}

.btn-secondary {
  background: var(--panel-soft);
  color: var(--primary);
  border: 1px solid #c9ddfb;
}

.text-btn {
  border: 0;
  background: transparent;
  color: var(--primary);
  font-weight: 800;
  padding: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.logo strong {
  display: block;
  font-size: 1rem;
  line-height: 1;
}

.logo small {
  color: var(--muted);
  font-weight: 700;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--primary), #1b92d1);
  color: #fff;
  font-weight: 800;
}

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

.login-card {
  width: min(560px, 100%);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.login-logo {
  margin-bottom: 20px;
}

.login-copy,
.sidebar-copy,
.topbar-copy,
.stat-foot,
.panel-mini-copy,
.panel-copy {
  color: var(--muted);
}

.login-error,
.login-success {
  display: none;
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 800;
}

.login-error {
  background: var(--danger-soft);
  border: 1px solid #f1cdcd;
  color: var(--danger);
}

.login-success {
  background: var(--success-soft);
  border: 1px solid #cfe9d9;
  color: var(--success);
}

.auth-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
}

.auth-panel {
  margin-top: 22px;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #f8fbff;
}

.panel-mini-head {
  margin-bottom: 12px;
}

.panel-mini-head h2 {
  margin-bottom: 6px;
  font-size: 1.15rem;
}

.admin-shell {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 22px;
  background: rgba(250, 252, 255, 0.97);
  border-right: 1px solid var(--line);
  position: sticky;
  top: 0;
  height: 100vh;
}

.side-nav {
  display: grid;
  gap: 10px;
}

.nav-btn {
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  padding: 14px 16px;
  font-weight: 800;
}

.nav-btn.active {
  background: linear-gradient(135deg, #edf5ff 0%, #ffffff 100%);
  color: var(--primary-strong);
  border-color: #cfe1fb;
}

.sidebar-actions {
  display: grid;
  gap: 10px;
}

.main-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 24px 28px 10px;
}

.topbar h1 {
  margin-bottom: 8px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.workspace {
  padding: 10px 28px 28px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
}

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

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

.panel-card,
.stat-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.panel-card + .panel-card {
  margin-top: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.stat-card {
  min-height: 165px;
  display: grid;
  gap: 10px;
}

.stat-label {
  color: var(--muted);
  font-weight: 700;
}

.stat-value {
  font-size: clamp(2rem, 4vw, 2.9rem);
  color: var(--primary-strong);
}

.stat-value-sm {
  font-size: 1.05rem;
  line-height: 1.45;
}

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

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid var(--line);
}

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

.pill {
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--primary);
  font-weight: 800;
  white-space: nowrap;
}

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

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

.form-grid.one {
  grid-template-columns: 1fr;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

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

.panel-card-preview iframe {
  width: 100%;
  min-height: 76vh;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.status-bar {
  padding: 14px 28px 22px;
}

.status-bar p {
  margin: 0;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  color: var(--primary-strong);
  font-weight: 800;
}

@media (max-width: 1180px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 760px) {
  .login-card,
  .topbar,
  .workspace,
  .status-bar {
    padding-left: 18px;
    padding-right: 18px;
  }

  .topbar {
    flex-direction: column;
  }

  .topbar-actions,
  .action-row,
  .auth-inline-actions {
    width: 100%;
  }

  .topbar-actions .btn,
  .action-row .btn {
    width: 100%;
  }

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