/*
 * xeiraXestión — xeira.css
 * Ruta: /public/assets/css/xeira.css
 * Qué hace: estilos base del ERP. Sistema de temas con CSS custom properties,
 *           layout sidebar + topbar y modo claro/oscuro. Paleta inspirada en
 *           FlexyTheme (referencia visual aprobada).
 * @version 01.00
 */

:root {
    --primary:        #1e4db7;
    --primary-dark:   #163a8a;
    --sidebar-bg:     #11142d;
    --sidebar-text:   #b7bcd1;
    --sidebar-active: #1e4db7;
    --app-bg:         #f6f8fb;
    --card-bg:        #ffffff;
    --text:           #2a2f45;
    --text-muted:     #777e89;
    --border:         #e3e8f0;
    --success:        #39cb7f;
    --danger:         #fc4b6c;
    --warning:        #fdc90f;
    --info:           #1a97f5;
    --radius:         10px;
    --sidebar-w:      256px;
}

[data-theme="dark"] {
    --sidebar-bg:  #1e1e2f;
    --app-bg:      #16161f;
    --card-bg:     #1e1e2f;
    --text:        #e6e8f0;
    --text-muted:  #8a90a6;
    --border:      #2a2c3d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--app-bg);
    color: var(--text);
    line-height: 1.5;
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.sidebar__brand {
    padding: 20px 24px;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar__brand span { color: var(--info); }
.sidebar__nav { padding: 12px 0; flex: 1; }
.sidebar__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 24px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    transition: background .15s, color .15s;
}
.sidebar__link:hover { background: rgba(255,255,255,.05); color: #fff; }
.sidebar__link.is-active { background: var(--sidebar-active); color: #fff; }
.sidebar__section {
    padding: 16px 24px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: rgba(255,255,255,.35);
}

/* Main */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: 60px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}
.topbar__title { font-size: 16px; font-weight: 600; }
.topbar__actions { display: flex; align-items: center; gap: 12px; }
.content { padding: 24px; flex: 1; }

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn--ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--app-bg); }

/* Tarjetas KPI */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.kpi {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.kpi__label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.kpi__value { font-size: 26px; font-weight: 600; }
.kpi__delta { font-size: 12px; margin-top: 6px; }
.kpi__delta.up { color: var(--success); }
.kpi__delta.down { color: var(--danger); }

/* Card genérica */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}
.card__title { font-size: 15px; font-weight: 600; margin-bottom: 16px; }

/* Tablas */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }

/* Login */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--app-bg);
}
.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    width: 360px;
}
.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-card h1 span { color: var(--info); }
.login-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-muted); }
.field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--app-bg);
    color: var(--text);
}
.field input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
}
.alert--danger { background: rgba(252,75,108,.1); color: var(--danger); }

@media (max-width: 768px) {
    .sidebar { position: fixed; left: -256px; z-index: 100; height: 100%; transition: left .2s; }
    .sidebar.is-open { left: 0; }
}