:root {
    --bg: #0f1115;
    --bg-card: #171a21;
    --bg-card-hover: #1d212b;
    --border: #262b36;
    --text: #e8eaed;
    --text-muted: #8b909c;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #ca8a04;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

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

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

.sidebar {
    width: 210px;
    flex-shrink: 0;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    display: flex;
    flex-direction: column;
}

.sidebar .brand {
    padding: 0 16px 16px;
    font-weight: 700;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.sidebar .brand small {
    display: block;
    font-weight: 400;
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 2px;
}

.sidebar nav a {
    display: block;
    padding: 9px 16px;
    color: var(--text-muted);
    font-size: 13.5px;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover { color: var(--text); text-decoration: none; background: var(--bg-card-hover); }
.sidebar nav a.active { color: var(--text); border-left-color: var(--accent); background: var(--bg-card-hover); font-weight: 600; }

.sidebar .logout { margin-top: auto; padding: 12px 16px 0; border-top: 1px solid var(--border); }

.main { flex: 1; padding: 24px 28px; max-width: 1200px; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-header h1 { font-size: 19px; margin: 0; }
.page-header .sub { color: var(--text-muted); font-size: 12.5px; margin-top: 2px; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 22px; }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.card .label { color: var(--text-muted); font-size: 12px; margin-bottom: 6px; }
.card .value { font-size: 22px; font-weight: 700; }
.card .value.green { color: var(--green); }
.card .value.red { color: var(--red); }
.card .value.yellow { color: var(--yellow); }

.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 18px; }
.panel h2 { font-size: 14.5px; margin: 0 0 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-card-hover); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.agendado { background: #1e293b; color: #60a5fa; }
.badge.concluido { background: #14291b; color: #4ade80; }
.badge.cancelado { background: #2a1616; color: #f87171; }
.badge.faltou { background: #2a2416; color: #facc15; }
.badge.ativo { background: #14291b; color: #4ade80; }
.badge.suspenso { background: #2a2416; color: #facc15; }
.badge.cancelado_tenant { background: #2a1616; color: #f87171; }

.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    font-weight: 600;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--red); }
.btn.small { padding: 4px 10px; font-size: 12px; }

form.inline { display: inline; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid.single { grid-template-columns: 1fr; }

label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }

input, select, textarea {
    width: 100%;
    background: #0d0f13;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13.5px;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.field { margin-bottom: 12px; }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; }
.alert.error { background: #2a1616; color: #f87171; border: 1px solid #4a2020; }
.alert.success { background: #14291b; color: #4ade80; border: 1px solid #1f4a2a; }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 340px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.login-box h1 { font-size: 18px; margin: 0 0 4px; }
.login-box .sub { color: var(--text-muted); font-size: 12.5px; margin-bottom: 20px; }

.empty-state { color: var(--text-muted); font-size: 13px; padding: 20px 0; text-align: center; }

.actions-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }