:root {
  color-scheme: dark;
  --bg-base:    #0b1220;
  --bg-panel:   #131c2b;
  --bg-field:   #0f1729;
  --border:     #22304a;
  --border-hi:  rgba(45,212,191,.35);
  --text-pri:   #e6edf5;
  --text-sec:   #8a99ad;
  --text-ter:   #5c6b80;
  --accent:     #2dd4bf;
  --accent-dim: rgba(45,212,191,.12);
  --warn:       #f2a341;
  --danger:     #f87171;
  --ok:         #34d399;
  --radius:     12px;
  --radius-sm:  8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
}

body {
  min-height: 100dvh;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  font-size: 14px;
  color: var(--text-pri);
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(45,212,191,.07), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(56,189,248,.05), transparent 60%),
    var(--bg-base);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.page {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  min-height: 100vh;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 0;
}

header.site-header {
  flex-shrink: 0;
  text-align: center;
  margin-bottom: 1.5rem;
}

.page-main {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-bottom: 1rem;
  scrollbar-gutter: stable;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}

h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
}

.subtitle {
  margin-top: .6rem;
  color: var(--text-sec);
  line-height: 1.6;
  font-size: 13px;
  max-width: 540px;
  margin-inline: auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 1rem;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

.card {
  background: rgba(19,28,43,.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 48px rgba(0,0,0,.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: .65rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--accent); color: var(--bg-base); }
.btn-primary:hover { background: #25b8a5; }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-sec);
}
.btn-secondary:hover { border-color: var(--border-hi); color: var(--text-pri); }
.btn-danger { background: transparent; border-color: rgba(248,113,113,.4); color: var(--danger); }

.toolbar {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
  align-items: center;
}

.toolbar input[type="search"],
.toolbar select,
.form-grid input,
.form-grid textarea,
.form-grid select {
  width: 100%;
  padding: .6rem .9rem;
  background: var(--bg-field);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-pri);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}
.toolbar input[type="search"]:focus,
.form-grid input:focus,
.form-grid textarea:focus,
.form-grid select:focus {
  border-color: var(--accent);
}

.toolbar input[type="search"] { flex: 1; min-width: 200px; }
.toolbar select { width: auto; min-width: 160px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(19,28,43,.75);
  transition: border-color .18s, transform .18s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.tool-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
  text-decoration: none;
}

.tool-card .icon { font-size: 1.75rem; line-height: 1; }
.tool-card h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
}
.tool-card p {
  color: var(--text-sec);
  font-size: 13px;
  line-height: 1.55;
  flex: 1;
}
.badge {
  display: inline-block;
  font-size: 11px;
  padding: .2rem .55rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(45,212,191,.25);
}

.empty-state, .loading-state {
  text-align: center;
  color: var(--text-sec);
  padding: 3rem 1rem;
}

.site-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding: .85rem 0 1rem;
  text-align: center;
  font-size: 12px;
  color: var(--text-ter);
  border-top: 1px solid var(--border);
  background: var(--bg-base);
}

.admin-layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  min-height: 100dvh;
}

.login-card { max-width: 420px; margin: 4rem auto; }

.form-grid {
  display: grid;
  gap: .9rem;
}
.form-grid label {
  display: grid;
  gap: .35rem;
  font-size: 13px;
  color: var(--text-sec);
}
.form-grid .hint {
  font-size: 11px;
  color: var(--text-ter);
}
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
}
.toggle-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--text-sec);
  font-size: 13px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th,
.admin-table td {
  padding: .65rem .75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.admin-table th { color: var(--text-ter); font-weight: 500; }

.actions-row { display: flex; gap: .35rem; flex-wrap: nowrap; align-items: center; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sec);
  cursor: pointer;
  transition: all .18s;
  flex-shrink: 0;
}
.icon-btn:hover {
  border-color: var(--border-hi);
  color: var(--text-pri);
  background: rgba(255,255,255,.03);
}
.icon-btn svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-btn-danger:hover {
  border-color: rgba(248,113,113,.45);
  color: var(--danger);
  background: rgba(248,113,113,.08);
}
.icon-btn-accent:hover {
  border-color: rgba(45,212,191,.45);
  color: var(--accent);
  background: rgba(45,212,191,.08);
}

.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 1rem;
}
.alert-error {
  background: rgba(248,113,113,.1);
  border: 1px solid rgba(248,113,113,.3);
  color: var(--danger);
}
.alert-success {
  background: rgba(52,211,153,.1);
  border: 1px solid rgba(52,211,153,.3);
  color: var(--ok);
}

.hidden { display: none !important; }

@media (max-width: 640px) {
  .form-row-2 { grid-template-columns: 1fr; }
}