:root {
  --bg: #0f1117;
  --surface: #181c27;
  --surface-2: #1f2432;
  --border: #2a3040;
  --text: #e6e9f0;
  --text-muted: #8b93a7;
  --accent: #4f8ef7;
  --accent-hover: #3f7de0;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sidebar nav a {
  padding: 12px 20px;
  color: var(--text-muted);
  font-size: 14px;
  border-left: 3px solid transparent;
}

.sidebar nav a:hover { background: var(--surface-2); color: var(--text); }
.sidebar nav a.active {
  background: var(--surface-2);
  color: var(--text);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sidebar-footer {
  padding: 15px 20px 0;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}

.user-info { display: flex; flex-direction: column; margin-bottom: 10px; }
.user-info strong { font-size: 14px; }
.user-info span { font-size: 12px; color: var(--text-muted); }
.logout-link { font-size: 13px; color: var(--danger); }

.content {
  flex: 1;
  padding: 30px 40px;
  max-width: 1100px;
}

h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 14px; }
.subtitle { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #1a1114; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface-2); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-aguardando { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.badge-retirada { background: rgba(52, 211, 153, 0.15); color: var(--success); }

form label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 14px;
}
form label:first-child { margin-top: 0; }

input[type=text], input[type=email], input[type=password], input[type=tel], input[type=file], select, textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
}

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

.form-actions { margin-top: 22px; display: flex; gap: 10px; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 14px;
}
.alert-sucesso { background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52,211,153,0.3); }
.alert-erro { background: rgba(248, 113, 113, 0.12); color: var(--danger); border: 1px solid rgba(248,113,113,0.3); }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  width: 100%;
  max-width: 360px;
}
.login-box h1 { text-align: center; margin-bottom: 4px; }
.login-box .subtitle { text-align: center; }
.login-demo-hint {
  margin-top: 18px;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--surface-2);
  padding: 10px 12px;
  border-radius: var(--radius);
  line-height: 1.6;
}

.foto-thumb { width: 46px; height: 46px; border-radius: 6px; object-fit: cover; border: 1px solid var(--border); }
.text-muted { color: var(--text-muted); }
.codigo-retirada { font-family: 'Courier New', monospace; font-weight: 700; letter-spacing: 1px; }

@media (max-width: 768px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; }
  .content { padding: 20px; }
}