:root {
    --primary: #0b6e8a;
    --primary-dark: #08546a;
    --bg: #f2f6f8;
    --card: #ffffff;
    --text: #1d2b33;
    --muted: #6b7c86;
    --border: #dbe3e8;
    --danger: #c0392b;
    --success: #1e8449;
    --warning: #b9770e;
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 12px; color: var(--primary-dark); }
h3 { font-size: .9rem; margin: 14px 0 4px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
small, .muted { color: var(--muted); }
.text-danger { color: var(--danger); font-weight: 600; }
.pre { white-space: pre-wrap; margin: 0; }

/* Barra superior */
.topbar {
    display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
    background: var(--primary); color: #fff; padding: 10px 24px;
}
.brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.brand-icon { color: #ff6b6b; background: #fff; border-radius: 6px; padding: 0 6px; }
.mainnav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.mainnav a { color: #e3f2f7; padding: 6px 12px; border-radius: 6px; }
.mainnav a:hover, .mainnav a.active { background: var(--primary-dark); color: #fff; text-decoration: none; }
.userbox { display: flex; align-items: center; gap: 12px; }
.userbox small { color: #cfe6ee; }
.userbox form { margin: 0; }
button.link { background: none; border: 1px solid #ffffff80; color: #fff; padding: 4px 10px; border-radius: 6px; cursor: pointer; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.footer { text-align: center; color: var(--muted); padding: 24px; font-size: .85rem; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

/* Botones */
.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px; border: 1px solid var(--border);
    background: #fff; color: var(--text); cursor: pointer; font-size: .95rem; font-family: inherit;
}
.btn:hover { text-decoration: none; background: #eef3f5; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-light { background: transparent; }
.btn-block { width: 100%; }

/* Alertas */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; }
.alert-success { background: #e9f7ef; border-color: #a9dfbf; color: var(--success); }
.alert-error { background: #fdedec; border-color: #f5b7b1; color: var(--danger); }
.alert-warning { background: #fef5e7; border-color: #f8c471; color: var(--warning); }

/* Formularios */
.form label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: .9rem; }
.form h2 { margin-top: 20px; }
.form h2:first-of-type { margin-top: 0; }
input, select, textarea {
    font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #0b6e8a40; border-color: var(--primary); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset:disabled { opacity: .75; }
label.checkbox { flex-direction: row; align-items: center; gap: 8px; margin-top: 12px; }
label.checkbox input { width: auto; }
.form-actions { display: flex; gap: 8px; margin-top: 20px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.grid + .grid { margin-top: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-5 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.span-2 { grid-column: span 2; }
.grid > .card { margin-bottom: 0; }
.grid-2 + .card, .grid + .card { margin-top: 20px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filters input[type=search] { flex: 1; min-width: 220px; width: auto; }
.filters select, .filters input[type=date] { width: auto; }
.filters label.inline { display: flex; align-items: center; gap: 6px; font-size: .9rem; color: var(--muted); }

/* Tablas */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; color: var(--muted); letter-spacing: .03em; }
tbody tr:hover { background: #f7fafb; }
tr.inactive td { color: var(--muted); }
td.actions a { margin-right: 10px; }

.pagination { display: flex; gap: 4px; margin-top: 16px; flex-wrap: wrap; }
.pagination a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; vertical-align: middle; }
.badge-programada { background: #e8f4fb; color: #1f618d; }
.badge-en_curso { background: #fef5e7; color: var(--warning); }
.badge-completada { background: #e9f7ef; color: var(--success); }
.badge-cancelada { background: #f2f3f4; color: #7b7d7d; text-decoration: line-through; }

/* Panel */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat { margin: 0; }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--muted); }

dl { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
dt { color: var(--muted); font-size: .9rem; }
dd { margin: 0; }

.vitals { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 12px; }
.vitals div { background: var(--bg); border-radius: 8px; padding: 10px; font-weight: 600; font-size: 1.1rem; }
.vitals span { display: block; font-size: .75rem; color: var(--muted); font-weight: 400; text-transform: uppercase; }

/* Login */
.login-card { max-width: 400px; margin: 60px auto; text-align: center; }
.login-card .form { text-align: left; display: grid; gap: 14px; }
.login-logo { font-size: 2.5rem; color: var(--primary); }
.login-card h1 { font-size: 1.3rem; }

@media (max-width: 640px) {
    .container { padding: 16px; }
    .topbar { padding: 10px 16px; }
    .span-2 { grid-column: auto; }
    dl { grid-template-columns: 1fr; }
}

@media print {
    .topbar, .footer, .no-print, .filters { display: none !important; }
    body { background: #fff; }
    .card { border: 0; padding: 0; }
}
.grid-narrow { max-width: 320px; }