/* =====================================================================
   AquaLuna Baby Spa — Estilos del panel
   Paleta: aguamarina / azul suave (baby spa)
   ===================================================================== */
:root {
    --primary: #2c9fb3;
    --primary-dark: #1f7d8e;
    --primary-light: #e6f5f8;
    --accent: #f2a65a;
    --bg: #f4f7fa;
    --surface: #ffffff;
    --text: #23303a;
    --muted: #6b7c8a;
    --border: #e2e9ef;
    --ok: #2e9e5b;
    --warn: #d98a1f;
    --danger: #d6465c;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(30, 80, 100, .08);
    --sidebar-w: 248px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
}
a { color: var(--primary-dark); text-decoration: none; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, #1f7d8e 0%, #176575 100%);
    color: #eaf6f8;
    position: fixed; top: 0; bottom: 0; left: 0;
    display: flex; flex-direction: column;
    z-index: 20;
}
.brand {
    display: flex; align-items: center; gap: 12px;
    padding: 20px 22px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand-logo { font-size: 30px; }
.brand-text strong { display: block; font-size: 18px; }
.brand-text small { color: #b9dfe6; font-size: 12px; letter-spacing: .5px; }
.menu { padding: 12px 10px; overflow-y: auto; }
.menu-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px; margin-bottom: 3px;
    color: #d6ecf0; border-radius: 9px;
    font-size: 14.5px; transition: background .15s;
}
.menu-item:hover { background: rgba(255,255,255,.10); color: #fff; }
.menu-item.active { background: #fff; color: var(--primary-dark); font-weight: 600; }
.menu-icon { width: 22px; text-align: center; font-size: 16px; }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; }
.topbar {
    display: flex; align-items: center; gap: 16px;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 0 24px; height: 64px; position: sticky; top: 0; z-index: 10;
}
.page-title { font-size: 19px; margin: 0; flex: 1; font-weight: 600; }
.menu-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; }
.user-box { display: flex; align-items: center; gap: 14px; }
.user-info { text-align: right; line-height: 1.2; }
.user-info strong { font-size: 14px; }
.user-info small { color: var(--muted); font-size: 12px; }
.btn-logout {
    background: var(--primary-light); color: var(--primary-dark);
    padding: 8px 16px; border-radius: 8px; font-weight: 600; font-size: 13.5px;
}
.btn-logout:hover { background: #d3ecf1; }
.content { padding: 26px 28px; flex: 1; }
.footer { padding: 16px 28px; color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- Componentes ---------- */
.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 22px; margin-bottom: 22px;
}
.card h2 { margin: 0 0 16px; font-size: 17px; }

.alert { padding: 12px 16px; border-radius: 9px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #e6f7ec; color: #1e7a44; border: 1px solid #b9e6c9; }
.alert-error   { background: #fdeaed; color: #b5304a; border: 1px solid #f4c2cc; }
.alert-info    { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #c5e6ec; }

.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.stat {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow);
}
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--primary-dark); margin-top: 4px; }
.stat-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
table.data th { background: #f7fafc; color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .3px; }
table.data tbody tr:hover { background: #fafcfd; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #e6f7ec; color: #1e7a44; }
.badge-warn { background: #fdf0dc; color: #a5641a; }
.badge-danger { background: #fdeaed; color: #b5304a; }
.badge-muted { background: #eef2f5; color: #647585; }

/* ---------- Botones y formularios ---------- */
.btn {
    display: inline-block; padding: 10px 18px; border-radius: 9px; border: 0;
    background: var(--primary); color: #fff; font-weight: 600; font-size: 14px;
    cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: #f2f6f8; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: #3a4a56; }
.form-control {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border);
    border-radius: 9px; font-size: 14px; font-family: inherit; background: #fff;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(44,159,179,.15); }

/* ---------- Login ---------- */
.login-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2c9fb3 0%, #176575 100%);
    padding: 20px;
}
.login-card {
    background: #fff; border-radius: 18px; box-shadow: 0 12px 40px rgba(0,0,0,.18);
    width: 100%; max-width: 400px; padding: 38px 34px;
}
.login-brand { text-align: center; margin-bottom: 26px; }
.login-brand .logo { font-size: 46px; }
.login-brand h1 { font-size: 22px; margin: 8px 0 2px; color: var(--primary-dark); }
.login-brand p { color: var(--muted); font-size: 13px; margin: 0; }
.login-card .btn { width: 100%; padding: 12px; font-size: 15px; margin-top: 6px; }

/* ---------- Error 403 ---------- */
.error-page { text-align: center; padding: 80px 20px; }
.error-page .code { font-size: 64px; font-weight: 800; color: var(--primary); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s; }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .menu-toggle { display: block; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}