/* ============================================================
   TPV Estética y SPA - Estilos personalizados (v2 - tono profundo)
   Paleta: malva profundo, ciruela, dorado champán, perla
   ============================================================ */
:root {
    /* Tonos principales saturados y profundos */
    --spa-primary: #a35880;          /* rosa malva con cuerpo */
    --spa-primary-dark: #7a3d5e;     /* ciruela profundo */
    --spa-primary-darker: #5a2a44;
    --spa-secondary: #4a3050;        /* lavanda muy profunda */
    --spa-secondary-dark: #2e1c33;   /* casi negro violeta */
    --spa-accent: #a87f48;           /* dorado tostado */
    --spa-accent-dark: #7d5d33;

    /* Fondos: malva real, sin parecer crema */
    --spa-bg: #cdb1be;               /* fondo malva con presencia */
    --spa-bg-deep: #b89aa9;          /* alternativo más oscuro */
    --spa-bg-light: #ddc5d0;         /* claro pero saturado */
    --spa-surface: #ffffff;          /* tarjetas blancas */
    --spa-surface-soft: #f3e3eb;     /* tarjetas alt con tinte */
    --spa-surface-tint: #faeff5;     /* tinte muy sutil para stats */

    --spa-sidebar-bg: #2e1c33;       /* sidebar muy oscuro */
    --spa-sidebar-text: #f0e4ea;
    --spa-sidebar-muted: #b8a3b8;
    --spa-sidebar-active: #4a3050;
    --spa-sidebar-border: #3d2540;

    --spa-text: #1f1024;             /* texto principal casi negro */
    --spa-muted: #5d4858;            /* texto secundario con cuerpo */

    /* Estado: más saturado */
    --spa-success: #4d8b58;
    --spa-success-bg: #d3e7d6;
    --spa-warning: #c47736;
    --spa-warning-bg: #f6e3c5;
    --spa-danger:  #b04848;
    --spa-danger-bg: #f5cccc;
    --spa-info:    #487da0;
    --spa-info-bg: #cfe1ed;

    --spa-border: #a48598;           /* borde claramente visible */
    --spa-border-soft: #c4a8b6;
    --spa-shadow: 0 8px 24px rgba(46, 28, 51, 0.18);
    --spa-shadow-lg: 0 18px 44px rgba(46, 28, 51, 0.28);
    --spa-shadow-soft: 0 3px 12px rgba(46, 28, 51, 0.12);
    --spa-radius: 14px;
    --spa-radius-sm: 8px;
    --spa-sidebar-w: 260px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif;
    background: var(--spa-bg);
    color: var(--spa-text);
    margin: 0;
    min-height: 100vh;
}

a { color: var(--spa-primary-dark); text-decoration: none; }
a:hover { color: var(--spa-secondary); }

/* ---------- LOGIN / Pantallas públicas ---------- */
.spa-auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #5d3f5e 0%, #8e4f73 50%, #b8769a 100%);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}
.spa-auth-wrapper::before,
.spa-auth-wrapper::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    z-index: 0;
}
.spa-auth-wrapper::before {
    width: 350px; height: 350px;
    background: var(--spa-accent);
    top: -100px; right: -100px;
}
.spa-auth-wrapper::after {
    width: 400px; height: 400px;
    background: var(--spa-primary);
    bottom: -150px; left: -100px;
}
.spa-auth-card {
    position: relative; z-index: 1;
    width: 100%; max-width: 420px;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(40, 20, 38, 0.4);
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255,255,255,0.4);
}
.spa-auth-card .spa-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}
.spa-auth-card .spa-logo .icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-accent));
    display: inline-flex;
    align-items: center; justify-content: center;
    color: #fff; font-size: 1.8rem;
    box-shadow: 0 8px 24px rgba(142, 79, 115, 0.5);
}
.spa-auth-card h1 {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--spa-secondary);
    margin: 1rem 0 0.25rem;
}
.spa-auth-card .subtitle {
    text-align: center;
    color: var(--spa-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* ---------- Layout autenticado ---------- */
.spa-app {
    display: flex;
    min-height: 100vh;
}

/* === Sidebar muy oscuro === */
.spa-sidebar {
    width: var(--spa-sidebar-w);
    background: linear-gradient(180deg, #1a0d1f 0%, var(--spa-sidebar-bg) 50%, var(--spa-secondary) 100%);
    color: var(--spa-sidebar-text);
    border-right: 1px solid var(--spa-sidebar-border);
    padding: 1.25rem 0;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 1030;
    transition: transform 0.3s ease;
    box-shadow: 4px 0 20px rgba(20, 8, 26, 0.25);
}
.spa-sidebar::-webkit-scrollbar { width: 6px; }
.spa-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
.spa-sidebar .brand {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.25rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--spa-sidebar-border);
    margin-bottom: 1rem;
}
.spa-sidebar .brand .brand-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-accent));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.2rem;
    box-shadow: 0 4px 14px rgba(184, 118, 154, 0.5);
}
.spa-sidebar .brand .brand-text {
    line-height: 1.1;
}
.spa-sidebar .brand .brand-text strong {
    display: block;
    font-size: 1.05rem;
    color: #fff;
}
.spa-sidebar .brand .brand-text small {
    font-size: 0.72rem;
    color: var(--spa-sidebar-muted);
    letter-spacing: 0.5px;
}
.spa-sidebar .nav-section {
    padding: 0.5rem 1.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--spa-sidebar-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-top: 0.5rem;
}
.spa-sidebar .nav-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.7rem 1.25rem;
    color: var(--spa-sidebar-text);
    font-size: 0.92rem;
    border-left: 3px solid transparent;
    transition: all 0.18s ease;
}
.spa-sidebar .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: var(--spa-primary);
}
.spa-sidebar .nav-link.active {
    background: linear-gradient(90deg, var(--spa-primary-dark) 0%, var(--spa-sidebar-active) 100%);
    color: #fff;
    font-weight: 600;
    border-left-color: var(--spa-accent);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), 0 2px 8px rgba(122, 61, 94, 0.4);
}
.spa-sidebar .nav-link i {
    width: 22px; text-align: center; font-size: 1rem;
    color: var(--spa-primary);
    opacity: .9;
}
.spa-sidebar .nav-link.active i { color: var(--spa-accent); opacity: 1; }

.spa-main {
    flex: 1;
    margin-left: var(--spa-sidebar-w);
    display: flex; flex-direction: column;
    min-width: 0;
}

/* === Topbar con presencia === */
.spa-topbar {
    background: var(--spa-surface);
    border-bottom: 2px solid var(--spa-border);
    padding: 0.95rem 1.75rem;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 4px 16px rgba(46, 28, 51, 0.10);
    position: sticky; top: 0; z-index: 1020;
}
.spa-topbar .toggle-sidebar {
    border: none;
    background: var(--spa-secondary);
    color: #fff;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: none;
    align-items: center; justify-content: center;
}
.spa-topbar .page-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--spa-secondary);
    margin: 0;
}
.spa-topbar .topbar-right {
    display: flex; align-items: center; gap: 1rem;
}
.spa-topbar .user-chip {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.35rem 0.85rem 0.35rem 0.4rem;
    background: var(--spa-secondary);
    color: #fff;
    border-radius: 30px;
    font-size: 0.88rem;
    box-shadow: var(--spa-shadow-soft);
}
.spa-topbar .user-chip .avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
}
.spa-topbar .user-chip small {
    color: rgba(255,255,255,0.75);
    font-size: 0.72rem;
}

.spa-content {
    padding: 1.75rem;
    flex: 1;
}

/* ---------- Tarjetas / Componentes ---------- */
.spa-card {
    background: var(--spa-surface);
    border-radius: var(--spa-radius);
    box-shadow: var(--spa-shadow);
    border: 1px solid var(--spa-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}
.spa-card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.2rem; padding-bottom: 1rem;
    border-bottom: 2px solid var(--spa-border-soft);
}
.spa-card-header h2,
.spa-card-header h3,
.spa-card-header h4 {
    margin: 0;
    color: var(--spa-secondary);
    font-weight: 700;
    letter-spacing: -0.2px;
}

/* === Stats con tinte y mucho cuerpo === */
.spa-stat {
    background: linear-gradient(135deg, #ffffff 0%, var(--spa-surface-tint) 100%);
    border-radius: var(--spa-radius);
    padding: 1.5rem 1.5rem 1.5rem 1.65rem;
    box-shadow: var(--spa-shadow);
    border: 1px solid var(--spa-border);
    position: relative;
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.spa-stat:hover {
    transform: translateY(-3px);
    box-shadow: var(--spa-shadow-lg);
}
.spa-stat::before {
    content: ''; position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, var(--spa-primary), var(--spa-accent));
}
.spa-stat .label {
    font-size: 0.76rem;
    color: var(--spa-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.55rem;
    font-weight: 700;
}
.spa-stat .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--spa-secondary);
    line-height: 1;
    margin-bottom: 0.45rem;
    letter-spacing: -0.5px;
}
.spa-stat .meta {
    font-size: 0.82rem;
    color: var(--spa-muted);
    font-weight: 500;
}
.spa-stat .icon {
    position: absolute;
    top: 1.1rem; right: 1.25rem;
    width: 48px; height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-primary-dark));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 6px 16px rgba(122, 61, 94, 0.45);
}
.spa-stat.success { background: linear-gradient(135deg, #ffffff 0%, #e0efe3 100%); }
.spa-stat.success::before { background: linear-gradient(180deg, var(--spa-success), #2f6a3a); }
.spa-stat.success .icon  { background: linear-gradient(135deg, var(--spa-success), #2f6a3a); box-shadow: 0 6px 16px rgba(77, 139, 88, 0.45); }
.spa-stat.info { background: linear-gradient(135deg, #ffffff 0%, #d9e6ef 100%); }
.spa-stat.info::before    { background: linear-gradient(180deg, var(--spa-info), #2c5d80); }
.spa-stat.info .icon      { background: linear-gradient(135deg, var(--spa-info), #2c5d80); box-shadow: 0 6px 16px rgba(72, 125, 160, 0.45); }
.spa-stat.warning { background: linear-gradient(135deg, #ffffff 0%, #f6e6cc 100%); }
.spa-stat.warning::before { background: linear-gradient(180deg, var(--spa-warning), #8a4f1a); }
.spa-stat.warning .icon   { background: linear-gradient(135deg, var(--spa-warning), #8a4f1a); box-shadow: 0 6px 16px rgba(196, 119, 54, 0.45); }
.spa-stat.danger { background: linear-gradient(135deg, #ffffff 0%, #f0d4d4 100%); }
.spa-stat.danger::before  { background: linear-gradient(180deg, var(--spa-danger), #7d2e2e); }
.spa-stat.danger .icon    { background: linear-gradient(135deg, var(--spa-danger), #7d2e2e); box-shadow: 0 6px 16px rgba(176, 72, 72, 0.45); }

/* === Quick actions === */
.spa-quick-action {
    background: linear-gradient(135deg, #ffffff 0%, var(--spa-surface-tint) 100%);
    border: 1px solid var(--spa-border);
    border-radius: var(--spa-radius);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.2s ease;
    color: var(--spa-text);
    text-decoration: none;
    display: block;
    height: 100%;
    box-shadow: var(--spa-shadow);
    font-weight: 600;
}
.spa-quick-action:hover {
    transform: translateY(-4px);
    box-shadow: var(--spa-shadow-lg);
    color: var(--spa-secondary);
    border-color: var(--spa-primary);
}
.spa-quick-action .ic {
    width: 58px; height: 58px;
    border-radius: 16px;
    margin: 0 auto 0.75rem;
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-primary-dark));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 6px 16px rgba(184, 118, 154, 0.4);
}
.spa-quick-action.success .ic { background: linear-gradient(135deg, var(--spa-success), #3f7d4d); box-shadow: 0 6px 16px rgba(95, 160, 107, 0.4); }
.spa-quick-action.info .ic    { background: linear-gradient(135deg, var(--spa-info), #3e7090); box-shadow: 0 6px 16px rgba(90, 142, 176, 0.4); }
.spa-quick-action.warning .ic { background: linear-gradient(135deg, var(--spa-warning), #a06622); box-shadow: 0 6px 16px rgba(209, 136, 67, 0.4); }

/* ---------- Forms ---------- */
.form-control, .form-select {
    border-radius: var(--spa-radius-sm);
    border: 1px solid var(--spa-border);
    padding: 0.6rem 0.9rem;
    font-size: 0.95rem;
    background: #fff;
    color: var(--spa-text);
    transition: all 0.18s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--spa-primary);
    box-shadow: 0 0 0 4px rgba(184, 118, 154, 0.18);
    outline: none;
}
.form-label {
    font-size: 0.85rem;
    color: var(--spa-secondary);
    font-weight: 600;
    margin-bottom: 0.35rem;
}
.form-text { font-size: 0.78rem; color: var(--spa-muted); }
.invalid-feedback { display: block; color: var(--spa-danger); font-size: 0.82rem; margin-top: 0.3rem; }
.is-invalid { border-color: var(--spa-danger) !important; }

/* ---------- Botones ---------- */
.btn {
    border-radius: var(--spa-radius-sm);
    padding: 0.55rem 1.15rem;
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.18s ease;
    border: 1px solid transparent;
    display: inline-flex; align-items: center; gap: 0.45rem;
}
.btn-spa-primary {
    background: linear-gradient(135deg, var(--spa-primary), var(--spa-primary-dark));
    color: #fff;
    box-shadow: 0 4px 12px rgba(184, 118, 154, 0.4);
}
.btn-spa-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(184, 118, 154, 0.55);
    color: #fff;
}
.btn-spa-secondary {
    background: var(--spa-surface);
    color: var(--spa-secondary);
    border-color: var(--spa-border);
}
.btn-spa-secondary:hover {
    background: var(--spa-surface-soft);
    border-color: var(--spa-primary);
    color: var(--spa-secondary);
}
.btn-spa-dark {
    background: var(--spa-secondary);
    color: #fff;
}
.btn-spa-dark:hover { background: var(--spa-secondary-dark); color: #fff; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.82rem; }

/* ---------- Tablas ---------- */
.spa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
.spa-table th {
    text-align: left;
    padding: 0.85rem 1rem;
    background: var(--spa-secondary);
    color: #fff;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}
.spa-table th:first-child { border-top-left-radius: var(--spa-radius-sm); }
.spa-table th:last-child  { border-top-right-radius: var(--spa-radius-sm); }
.spa-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--spa-border-soft);
    background: var(--spa-surface);
}
.spa-table tr:hover td { background: var(--spa-surface-soft); }

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--spa-radius-sm);
    padding: 0.85rem 1rem;
    border: 1px solid transparent;
    border-left-width: 4px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex; align-items: flex-start; gap: 0.6rem;
}
.alert i { margin-top: 2px; font-size: 1.1rem; }
.alert-success { background: var(--spa-success-bg); color: #2e6a3a; border-color: var(--spa-success); }
.alert-danger  { background: var(--spa-danger-bg); color: #7a2f2f; border-color: var(--spa-danger); }
.alert-info    { background: var(--spa-info-bg); color: #2f5570; border-color: var(--spa-info); }
.alert-warning { background: var(--spa-warning-bg); color: #6f4818; border-color: var(--spa-warning); }

/* ---------- Tabs ---------- */
.spa-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--spa-border);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.spa-tabs .tab {
    padding: 0.75rem 1.15rem;
    color: var(--spa-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    font-size: 0.92rem;
    background: transparent;
    border-top: 0; border-left: 0; border-right: 0;
    white-space: nowrap;
}
.spa-tabs .tab:hover { color: var(--spa-secondary); }
.spa-tabs .tab.active {
    color: var(--spa-secondary);
    border-bottom-color: var(--spa-primary);
    font-weight: 600;
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---------- Badges ---------- */
.spa-badge {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(184, 118, 154, 0.18);
    color: var(--spa-primary-dark);
}
.spa-badge.success { background: var(--spa-success-bg); color: #2e6a3a; }
.spa-badge.warning { background: var(--spa-warning-bg); color: #7a4f1d; }
.spa-badge.danger  { background: var(--spa-danger-bg); color: #7a2f2f; }
.spa-badge.info    { background: var(--spa-info-bg); color: #2f5570; }
.spa-badge.dark    { background: var(--spa-secondary); color: #fff; }

/* ---------- Sidebar overlay (mobile) ---------- */
.spa-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(40, 20, 38, 0.55);
    z-index: 1025;
}
.spa-overlay.show { display: block; }

/* ---------- Banner / Tarjeta de bienvenida ---------- */
.spa-welcome {
    background: linear-gradient(120deg, var(--spa-secondary-dark) 0%, var(--spa-secondary) 35%, var(--spa-primary-dark) 75%, var(--spa-accent-dark) 100%);
    color: #fff;
    border-radius: var(--spa-radius);
    padding: 1.75rem 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--spa-shadow-lg);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.15);
}
.spa-welcome::after {
    content: '';
    position: absolute;
    width: 280px; height: 280px;
    right: -60px; top: -60px;
    background: radial-gradient(circle, rgba(255,255,255,0.18), transparent 70%);
    border-radius: 50%;
}
.spa-welcome h2, .spa-welcome p { color: #fff; position: relative; z-index: 1; }
.spa-welcome p { opacity: .9; }

/* ---------- Pequeñas utilidades ---------- */
.text-spa-primary   { color: var(--spa-primary-dark); }
.text-spa-secondary { color: var(--spa-secondary); }
.text-spa-muted     { color: var(--spa-muted); }
.text-spa-accent    { color: var(--spa-accent-dark); }
.bg-spa             { background: var(--spa-bg); }
.bg-spa-soft        { background: var(--spa-surface-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .spa-sidebar {
        transform: translateX(-100%);
    }
    .spa-sidebar.open {
        transform: translateX(0);
        box-shadow: 0 0 30px rgba(40, 20, 38, 0.5);
    }
    .spa-main { margin-left: 0; }
    .spa-topbar .toggle-sidebar { display: inline-flex; }
}
@media (max-width: 576px) {
    .spa-content { padding: 1rem; }
    .spa-stat .value { font-size: 1.55rem; }
    .spa-topbar { padding: 0.7rem 1rem; }
    .spa-topbar .page-title { font-size: 1rem; }
    .user-chip small { display: none; }
}