/* =========================================================
   SISTEMA SST — Tokens de diseño (v4)
   Admin claro y moderno: sidebar y topbar en blanco/gris muy
   suave, un solo acento de color (bronce), tipografía sans
   consistente. El serif queda solo como firma en el login.
   ========================================================= */
:root {
    --bg: #F6F7F9;          /* fondo general de la app */
    --surface: #FFFFFF;      /* tarjetas, sidebar, topbar */
    --border: #E7E9EE;       /* líneas sutiles */
    --ink: #1F2733;          /* texto de títulos */
    --text: #3A4453;         /* texto de cuerpo */
    --muted: #8993A4;        /* texto secundario */

    --accent: #B0672A;       /* bronce: acento único de la marca */
    --accent-dark: #935525;
    --accent-soft: #F3E4D2;  /* fondo suave del acento */

    --success: #2F7D5A;
    --success-bg: #E4F3EA;
    --warning: #B0672A;
    --warning-bg: #F3E4D2;
    --danger: #C0392B;
    --danger-bg: #FBE7E4;
    --neutral-bg: #EEF0F3;

    --radius: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 1px 2px rgba(31,39,51,.04);
    --shadow-sm: 0 2px 8px rgba(31,39,51,.06);
    --shadow-md: 0 10px 30px rgba(31,39,51,.08);
    --shadow-lg: 0 30px 70px rgba(10,15,25,.35);

    --space-1: .5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 2.5rem;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: .94rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.015em;
    margin-top: 0;
}

p { color: var(--text); }

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

/* =========================================================
   Topbar — claro, minimal, con avatar
   ========================================================= */
.app-navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--ink);
    letter-spacing: -.01em;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: .85rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    flex-shrink: 0;
}

.user-name {
    font-weight: 600;
    font-size: .85rem;
    color: var(--ink);
    line-height: 1.25;
}

.user-role {
    font-size: .74rem;
    color: var(--muted);
    line-height: 1.25;
}

.btn-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    background: transparent;
    transition: background .15s ease, color .15s ease;
}
.btn-icon:hover {
    background: var(--neutral-bg);
    color: var(--danger);
    text-decoration: none;
}

/* =========================================================
   Layout general
   ========================================================= */
.app-container {
    display: flex;
    align-items: stretch;
    min-height: calc(100vh - 64px);
}

.app-sidebar {
    width: 258px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: var(--space-3) 0;
    flex-shrink: 0;
}

.sidebar-group + .sidebar-group {
    margin-top: var(--space-3);
}

.sidebar-heading {
    text-transform: uppercase;
    font-size: .68rem;
    letter-spacing: .08em;
    color: var(--muted);
    font-weight: 700;
    padding: 0 1.5rem var(--space-1);
}

.sidebar-link {
    display: flex;
    align-items: center;
    margin: .15rem .9rem;
    padding: .6rem .85rem;
    color: var(--text);
    font-size: .89rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background .15s ease, color .15s ease;
}

.sidebar-link i {
    width: 18px;
    margin-right: 10px;
    color: var(--muted);
    text-align: center;
    font-size: .85rem;
}

.sidebar-link:hover {
    background: var(--neutral-bg);
    color: var(--ink);
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-weight: 700;
}
.sidebar-link.active i { color: var(--accent-dark); }

.sidebar-link.disabled {
    opacity: .45;
    cursor: not-allowed;
}

.app-content {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    min-width: 0;
}

/* Ritmo vertical: todo bloque directo del contenido respira igual */
.app-content > * + * {
    margin-top: var(--space-4);
}
.app-content .page-header {
    margin-bottom: 0; /* el spacing lo da app-content > * + * */
}

/* =========================================================
   Tarjetas
   ========================================================= */
.card-stat {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
    background: var(--surface);
}
.card-stat .card-body { padding: var(--space-3) var(--space-4); }
.card-stat .h3 { font-family: 'Inter', sans-serif; font-weight: 800; }

.row.mb-4 { margin-bottom: 0 !important; } /* el ritmo lo controla app-content */
.row > [class*="col-"] { margin-bottom: var(--space-3); }
.row > [class*="col-"]:last-child { margin-bottom: 0; }

/* =========================================================
   Tablas
   ========================================================= */
.table { margin-bottom: 0; }
.table thead th {
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--muted);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    font-weight: 700;
    padding: .95rem 1.5rem;
    background: #FBFBFC;
}
.table td {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 1.05rem 1.5rem;
    vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #FAFAFB; }

/* =========================================================
   Formularios — más grandes, más espacio, más elegantes
   ========================================================= */
.form-group { margin-bottom: var(--space-3); }

label {
    display: block;
    font-weight: 600;
    font-size: .85rem;
    color: var(--ink);
    margin-bottom: .45rem;
}

.form-control {
    height: auto;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: .7rem .95rem;
    font-size: .92rem;
    color: var(--text);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control::placeholder { color: #B7BEC9; }
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3.5px var(--accent-soft);
}
select.form-control { cursor: pointer; }

.form-row { margin-left: -.6rem; margin-right: -.6rem; }
.form-row > .form-group,
.form-row > [class*="col-"] { padding-left: .6rem; padding-right: .6rem; }

/* =========================================================
   Botones
   ========================================================= */
.btn {
    border-radius: var(--radius-sm);
    padding: .65rem 1.4rem;
    font-weight: 600;
    font-size: .89rem;
    transition: all .15s ease;
    border-width: 1px;
}
.btn-sm { padding: .4rem .85rem; font-size: .82rem; }

.btn-brand,
.btn-success {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-brand:hover,
.btn-success:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}

.btn-outline-secondary {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}
.btn-outline-secondary:hover {
    background: var(--neutral-bg);
    border-color: var(--border);
    color: var(--ink);
}

.btn-outline-danger, .btn-outline-success {
    border-radius: var(--radius-sm);
}

/* =========================================================
   Modales
   ========================================================= */
.modal-content {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.modal-header, .modal-footer {
    border-color: var(--border);
    padding: 1.4rem 1.75rem;
}
.modal-header .modal-title { font-size: 1.05rem; font-weight: 700; }
.modal-body { padding: 1.75rem; }
.modal-body hr { border-color: var(--border); margin: var(--space-3) 0; }
.modal-body h6 { font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

/* =========================================================
   Badges / estados
   ========================================================= */
.badge {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: .03em;
    text-transform: uppercase;
    font-size: .66rem;
    padding: .42em .75em;
    border-radius: 6px;
}
.badge-activo { background: var(--success-bg); color: var(--success); }
.badge-inactivo { background: var(--neutral-bg); color: var(--muted); }
.badge-secondary { background: var(--neutral-bg); color: var(--muted); }

/* =========================================================
   Login — aquí sí se permite el momento de marca (serif + sello)
   ========================================================= */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    background: radial-gradient(circle at 30% 20%, #24405C, #10202F 65%);
}

.login-seal {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    outline: 1px solid rgba(176,103,42,.5);
    outline-offset: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Spectral', serif;
    font-weight: 700;
    font-size: .92rem;
    letter-spacing: .07em;
    color: #E3B583;
    background: rgba(176,103,42,.12);
    transform: rotate(-6deg);
}

.login-card {
    width: 100%;
    max-width: 390px;
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}
.login-card .card-body { padding: 2.5rem; }
.login-card h4 {
    font-family: 'Spectral', serif;
    font-size: 1.5rem;
}

/* =========================================================
   Alertas
   ========================================================= */
.alert {
    border: none;
    border-radius: var(--radius-sm);
    padding: .95rem 1.3rem;
    font-size: .89rem;
}