:root {
  --bg: #0f1216;
  --bg-card: #171b21;
  --bg-card2: #1d222a;
  --border: #2a2f38;
  --text: #e8eaed;
  --text-dim: #9aa2ad;
  --accent: #4fb8ff;
  --accent2: #7ee787;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); }

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  text-align: center;
}

.logo-badge {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  color: #0f1216;
}

.auth-card h1 {
  font-size: 18px;
  margin: 0 0 24px;
  color: var(--text);
  font-weight: 600;
}

.field {
  text-align: left;
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input[type="text"], input[type="password"], input[type="file"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card2);
  color: var(--text);
  font-size: 14px;
}

input:focus { outline: none; border-color: var(--accent); }

button, .btn {
  width: 100%;
  padding: 11px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0f1216;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-top: 6px;
}

button:hover, .btn:hover { opacity: 0.9; }

.btn-danger { background: var(--danger); color: #0f1216; }
.btn-secondary { background: var(--bg-card2); color: var(--text); border: 1px solid var(--border); }

.flash {
  background: rgba(255,107,107,0.12);
  border: 1px solid rgba(255,107,107,0.35);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: left;
}

/* ---- app shell (cabinet + admin) ---- */

header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
}

header.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

header.topbar .logo-badge {
  width: 32px; height: 32px; margin: 0; border-radius: 8px; font-size: 13px;
}

header.topbar a.logout { font-size: 13px; color: var(--text-dim); text-decoration: none; }
header.topbar a.logout:hover { color: var(--text); }

main.wrap { max-width: 1100px; margin: 0 auto; padding: 32px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.tile {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s;
}

.tile:hover { border-color: var(--accent); }

.tile .tile-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.tile .tile-sub { font-size: 12px; color: var(--text-dim); }

table.list {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

table.list th, table.list td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}

table.list th { color: var(--text-dim); font-weight: 500; font-size: 12px; text-transform: uppercase; }
table.list tr:last-child td { border-bottom: none; }

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.panel h2 { font-size: 14px; margin: 0 0 16px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }

.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; flex: 1; min-width: 160px; }
.inline-form button { width: auto; padding: 10px 20px; margin-top: 0; }

.input-with-button { display: flex; gap: 8px; }
.input-with-button input { flex: 1; min-width: 0; }
.input-with-button button { width: auto; padding: 10px 14px; margin-top: 0; white-space: nowrap; }

form.delete-form { display: inline; }
form.delete-form button {
  width: auto; padding: 6px 10px; font-size: 12px; margin: 0;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
}
form.delete-form button:hover { color: var(--danger); border-color: var(--danger); }

.empty-state { color: var(--text-dim); font-size: 13.5px; padding: 20px 0; }