:root {
  --bg: #0a0a0b;
  --surface: #141416;
  --card: #1c1c1f;
  --border: #2a2a2e;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --accent: #f97316;
  --green: #22c55e;
  --red: #ef4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}
.login-box h1 { font-size: 1.4rem; margin-bottom: 0.4rem; }
.login-box p { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-hint {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}
label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
input, select, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  color: var(--text);
  font-family: inherit;
  margin-bottom: 1rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  width: 100%;
  font-size: 0.95rem;
}
.btn:hover { opacity: 0.9; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; width: auto; }
.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}
#dashboard { display: none; }
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
header h1 { font-size: 1.15rem; }
.header-right { display: flex; align-items: center; gap: 1rem; }
.user { color: var(--muted); font-size: 0.9rem; }
.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}
nav {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
}
nav a {
  display: block;
  padding: 0.7rem 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}
nav a:hover, nav a.active {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent);
}
main { padding: 1.5rem; }
.panel { display: none; }
.panel.active { display: block; }
h2 { font-size: 1.3rem; margin-bottom: 1rem; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
}
.stat-card strong {
  display: block;
  font-size: 1.6rem;
  color: var(--accent);
}
.stat-card span { font-size: 0.85rem; color: var(--muted); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
th { background: var(--surface); color: var(--muted); font-weight: 600; }
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  max-width: 520px;
}
.form-title { margin-bottom: 1rem; font-size: 1.05rem; }
.mt-15 { margin-top: 1.5rem; }
.mt-125 { margin-top: 1.25rem; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 0.9rem; }
.mb-1 { margin-bottom: 1rem; }
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.badge-orange { background: rgba(249, 115, 22, 0.15); color: var(--accent); }
.users-list { display: flex; flex-direction: column; gap: 0.75rem; }
.user-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.user-row .info strong { display: block; }
.user-row .info span { font-size: 0.85rem; color: var(--muted); }

/* ========== ADMIN RESPONSIVE ========== */
@media (max-width: 900px) {
  .layout { grid-template-columns: 180px 1fr; }
}

@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; }
  header {
    padding: 0.85rem 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  header h1 { font-size: 1.05rem; }
  nav {
    display: flex;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0.4rem 0.5rem;
    -webkit-overflow-scrolling: touch;
  }
  nav a {
    white-space: nowrap;
    padding: 0.55rem 0.85rem;
    font-size: 0.85rem;
  }
  main { padding: 1rem; }
  .cards {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .stat-card { padding: 0.9rem; }
  .stat-card strong { font-size: 1.3rem; }
  table { font-size: 0.82rem; }
  th, td { padding: 0.55rem 0.65rem; }
  .form-card {
    max-width: 100%;
    padding: 1.1rem;
  }
  .login-box { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  input, select { font-size: 16px; }
}