/* ============ Atalaya Seguridad — paleta blancos / grises / rojos ============ */
:root {
    --ata-red: #dc2626;
    --ata-red-dark: #b91c1c;
    --ata-red-deep: #991b1b;
    --ata-red-soft: #fef2f2;
    --ata-red-ring: rgba(220, 38, 38, .16);

    --ata-bg: #f4f5f7;
    --ata-card: #ffffff;
    --ata-card-2: #fafafa;
    --ata-ink: #14161a;
    --ata-muted: #6b7280;
    --ata-border: #e5e7eb;
    --ata-border-strong: #d1d5db;

    --ata-radius: 14px;
    --ata-shadow: 0 8px 24px -14px rgba(17, 24, 39, .35);
    --ata-nav: rgba(255, 255, 255, .92);

    --bs-primary: #dc2626;
    --bs-primary-rgb: 220, 38, 38;
    --bs-body-bg: #f4f5f7;
    --bs-body-color: #14161a;
    --bs-border-color: #e5e7eb;
    --bs-link-color: #dc2626;
    --bs-link-hover-color: #b91c1c;
}

[data-bs-theme="dark"] {
    --ata-red: #f87171;
    --ata-red-dark: #ef4444;
    --ata-red-deep: #dc2626;
    --ata-red-soft: #241316;
    --ata-red-ring: rgba(248, 113, 113, .18);

    --ata-bg: #0f1115;
    --ata-card: #161a21;
    --ata-card-2: #1b202a;
    --ata-ink: #e6e8eb;
    --ata-muted: #9aa1ac;
    --ata-border: #2a2f3a;
    --ata-border-strong: #3a4150;

    --ata-nav: rgba(22, 26, 33, .92);
    --ata-shadow: 0 8px 24px -14px rgba(0, 0, 0, .7);

    --bs-primary: #f87171;
    --bs-primary-rgb: 248, 113, 113;
    --bs-body-bg: #0f1115;
    --bs-body-color: #e6e8eb;
    --bs-border-color: #2a2f3a;
    --bs-link-color: #f87171;
    --bs-link-hover-color: #fca5a5;
}

html { scroll-behavior: smooth; }

body {
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--ata-bg);
    color: var(--ata-ink);
    font-size: 15px;
    font-variant-numeric: tabular-nums;
    min-height: 100vh;
}

/* ============ Navbar ============ */
.ata-navbar {
    background: var(--ata-nav);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ata-border);
    padding: .45rem 0;
    z-index: 1030;
}

.ata-brand {
    display: flex;
    align-items: center;
    gap: .55rem;
    text-decoration: none;
    color: var(--ata-ink) !important;
    font-size: 1.05rem;
    letter-spacing: .2px;
}

.ata-brand b { color: var(--ata-red); font-weight: 800; }

.ata-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--ata-red) 0%, var(--ata-red-deep) 100%);
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 6px 14px -6px rgba(220, 38, 38, .7);
}

.ata-navbar .nav-link {
    color: var(--ata-muted);
    font-weight: 600;
    font-size: .875rem;
    padding: .45rem .7rem !important;
    border-radius: 8px;
    transition: background .15s, color .15s;
}

.ata-navbar .nav-link:hover,
.ata-navbar .nav-link.active { color: var(--ata-red); background: var(--ata-red-soft); }

.ata-theme-btn {
    border: 1px solid var(--ata-border);
    background: var(--ata-card);
    color: var(--ata-muted);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: .35rem;
}

.ata-theme-btn:hover { color: var(--ata-red); border-color: var(--ata-red); }

.ata-user { color: var(--ata-ink) !important; font-weight: 600; font-size: .875rem; }

.ata-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--ata-red);
    color: #fff;
    font-weight: 700;
    font-size: .8rem;
    margin-right: .45rem;
}

/* ============ Layout general ============ */
.ata-main { padding: 1.4rem 1.25rem 2.5rem; max-width: 1440px; margin: 0 auto; }
.ata-main-anon { padding: 0; max-width: none; }

.ata-page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: 1.1rem;
}

.ata-page-title {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -.02em;
    margin: 0;
}

.ata-page-sub { color: var(--ata-muted); font-size: .85rem; margin: .15rem 0 0; }

.ata-breadcrumb { font-size: .78rem; color: var(--ata-muted); margin-bottom: .35rem; }
.ata-breadcrumb a { color: var(--ata-muted); text-decoration: none; }
.ata-breadcrumb a:hover { color: var(--ata-red); }

/* ============ Cards ============ */
.ata-card {
    background: var(--ata-card);
    border: 1px solid var(--ata-border);
    border-radius: var(--ata-radius);
    box-shadow: var(--ata-shadow);
    padding: 1.1rem 1.2rem;
    margin-bottom: 1.1rem;
}

.ata-card-title {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ata-muted);
    margin-bottom: .85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

/* ============ KPIs ============ */
.ata-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.ata-kpi {
    background: var(--ata-card);
    border: 1px solid var(--ata-border);
    border-radius: var(--ata-radius);
    box-shadow: var(--ata-shadow);
    padding: 1.05rem 1.15rem;
    display: flex;
    align-items: center;
    gap: .95rem;
    position: relative;
    overflow: hidden;
}

.ata-kpi::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--kpi-accent, var(--ata-red));
}

.ata-kpi-icon {
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--kpi-accent, var(--ata-red));
    background: var(--kpi-ring, var(--ata-red-ring));
}

.ata-kpi-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--ata-muted);
}

.ata-kpi-value { font-size: 1.45rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.ata-kpi-sub { font-size: .74rem; color: var(--ata-muted); }

.kpi-red { --kpi-accent: var(--ata-red); --kpi-ring: var(--ata-red-ring); }
.kpi-gray { --kpi-accent: var(--ata-muted); --kpi-ring: rgba(107, 114, 128, .15); }
.kpi-dark { --kpi-accent: var(--ata-ink); --kpi-ring: rgba(20, 22, 26, .12); }

[data-bs-theme="dark"] .kpi-dark { --kpi-accent: #e6e8eb; --kpi-ring: rgba(230, 232, 235, .12); }

/* ============ Botones ============ */
.btn-ata {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--ata-red);
    --bs-btn-border-color: var(--ata-red);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--ata-red-dark);
    --bs-btn-hover-border-color: var(--ata-red-dark);
    --bs-btn-active-bg: var(--ata-red-deep);
    --bs-btn-active-border-color: var(--ata-red-deep);
    --bs-btn-disabled-bg: var(--ata-red);
    --bs-btn-disabled-border-color: var(--ata-red);
    font-weight: 600;
    border-radius: 9px;
}

.btn-ata-outline {
    --bs-btn-color: var(--ata-red);
    --bs-btn-border-color: var(--ata-red);
    --bs-btn-hover-bg: var(--ata-red-soft);
    --bs-btn-hover-border-color: var(--ata-red);
    --bs-btn-hover-color: var(--ata-red-dark);
    --bs-btn-active-bg: var(--ata-red-soft);
    --bs-btn-active-color: var(--ata-red-deep);
    font-weight: 600;
    border-radius: 9px;
}

.btn-ata-ghost {
    color: var(--ata-muted);
    border: 1px solid var(--ata-border);
    background: var(--ata-card);
    font-weight: 600;
    border-radius: 9px;
}

.btn-ata-ghost:hover { color: var(--ata-red); border-color: var(--ata-red); background: var(--ata-red-soft); }

/* Botón por defecto del sistema = rojo */
.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--ata-red);
    --bs-btn-border-color: var(--ata-red);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--ata-red-dark);
    --bs-btn-hover-border-color: var(--ata-red-dark);
    --bs-btn-active-bg: var(--ata-red-deep);
    --bs-btn-active-border-color: var(--ata-red-deep);
    --bs-btn-disabled-bg: var(--ata-red);
    --bs-btn-disabled-border-color: var(--ata-red);
}

.btn-outline-primary {
    --bs-btn-color: var(--ata-red);
    --bs-btn-border-color: var(--ata-red);
    --bs-btn-hover-bg: var(--ata-red);
    --bs-btn-hover-border-color: var(--ata-red);
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: var(--ata-red-deep);
    --bs-btn-active-border-color: var(--ata-red-deep);
}

/* ============ Tablas ============ */
.ata-table { margin-bottom: 0; }

.ata-table thead th {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--ata-muted);
    background: var(--ata-card-2);
    border-bottom: 1px solid var(--ata-border);
    padding: .6rem .75rem;
    white-space: nowrap;
}

.ata-table tbody td {
    padding: .62rem .75rem;
    border-color: var(--ata-border);
    vertical-align: middle;
    font-size: .875rem;
}

.ata-table tbody tr:hover { background: var(--ata-red-soft); }

.ata-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ata-num-neg { color: var(--ata-red); font-weight: 700; }
.ata-num-pos { color: #15803d; font-weight: 600; }

[data-bs-theme="dark"] .ata-num-pos { color: #4ade80; }

/* ============ Badges / chips ============ */
.ata-badge { font-size: .7rem; font-weight: 700; padding: .3em .6em; border-radius: 999px; }

.ata-badge-pagado { background: rgba(21, 128, 61, .12); color: #15803d; }
.ata-badge-parcial { background: rgba(107, 114, 128, .14); color: var(--ata-muted); }
.ata-badge-pendiente { background: var(--ata-red-ring); color: var(--ata-red); }
.ata-badge-activo { background: rgba(21, 128, 61, .12); color: #15803d; }
.ata-badge-baja { background: var(--ata-red-ring); color: var(--ata-red); }
.ata-badge-info { background: rgba(107, 114, 128, .14); color: var(--ata-muted); }

[data-bs-theme="dark"] .ata-badge-pagado,
[data-bs-theme="dark"] .ata-badge-activo { background: rgba(74, 222, 128, .14); color: #4ade80; }

/* ============ Filtros ============ */
.ata-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: .6rem;
}

.ata-filters .form-label {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ata-muted);
    margin-bottom: .25rem;
}

.ata-filters .form-control,
.ata-filters .form-select { border-radius: 8px; font-size: .875rem; }

.ata-counter {
    font-size: .78rem;
    color: var(--ata-muted);
    font-weight: 600;
    margin-left: auto;
    align-self: flex-end;
    padding-bottom: .35rem;
}

/* ============ Formularios ============ */
.form-label { font-size: .78rem; font-weight: 700; color: var(--ata-muted); letter-spacing: .02em; }

.form-control, .form-select {
    border-radius: 9px;
    border-color: var(--ata-border-strong);
    background-color: var(--ata-card);
    color: var(--ata-ink);
    font-size: .9rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--ata-red);
    box-shadow: 0 0 0 .2rem var(--ata-red-ring);
    background-color: var(--ata-card);
    color: var(--ata-ink);
}

.input-group-text {
    background: var(--ata-card-2);
    border-color: var(--ata-border-strong);
    color: var(--ata-muted);
    border-radius: 9px;
    font-size: .875rem;
}

.validation-message, .text-danger { color: var(--ata-red) !important; font-size: .78rem; }

/* ============ Alertas ============ */
.alert { border: 0; border-left: 4px solid; border-radius: 10px; font-size: .875rem; padding: .7rem 1rem; }
.alert-success { border-left-color: #15803d; background: rgba(21, 128, 61, .1); color: #166534; }
.alert-danger { border-left-color: var(--ata-red); background: var(--ata-red-soft); color: var(--ata-red-deep); }
.alert-warning { border-left-color: #b45309; background: rgba(180, 83, 9, .1); color: #92400e; }

[data-bs-theme="dark"] .alert-success { color: #4ade80; }
[data-bs-theme="dark"] .alert-danger { color: #fca5a5; }
[data-bs-theme="dark"] .alert-warning { color: #fbbf24; }

/* ============ Paginación ============ */
.ata-pagination { display: flex; align-items: center; gap: .5rem; justify-content: flex-end; margin-top: .9rem; }

.ata-pagination .page-link {
    border-color: var(--ata-border);
    color: var(--ata-ink);
    border-radius: 8px !important;
    font-size: .82rem;
    font-weight: 600;
    padding: .32rem .75rem;
}

.ata-pagination .page-item.active .page-link { background: var(--ata-red); border-color: var(--ata-red); color: #fff; }
.ata-pagination .page-item.disabled .page-link { color: var(--ata-muted); }
.ata-pagination .page-link:hover { color: var(--ata-red); background: var(--ata-red-soft); }

/* ============ Dropdown / modal ============ */
.dropdown-menu { border-radius: 12px; border-color: var(--ata-border); background: var(--ata-card); box-shadow: var(--ata-shadow); padding: .4rem; }
.dropdown-item { border-radius: 8px; font-size: .875rem; color: var(--ata-ink); padding: .45rem .7rem; }
.dropdown-item:hover { background: var(--ata-red-soft); color: var(--ata-red); }
.dropdown-header { font-size: .68rem; text-transform: uppercase; color: var(--ata-muted); }

.modal-content { border-radius: 16px; border: 1px solid var(--ata-border); background: var(--ata-card); color: var(--ata-ink); }

/* ============ Login ============ */
.ata-login-wrap { display: flex; min-height: 100vh; }

.ata-login-side {
    flex: 1 1 46%;
    background: linear-gradient(150deg, #14161a 0%, #26292f 55%, var(--ata-red-deep) 130%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.ata-login-side::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(220, 38, 38, .35), transparent 65%);
    top: -110px;
    right: -130px;
}

.ata-login-side::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 65%);
    bottom: -90px;
    left: -80px;
}

.ata-login-side h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; position: relative; }
.ata-login-side p { color: rgba(255, 255, 255, .75); position: relative; max-width: 420px; }

.ata-login-card {
    flex: 1 1 54%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--ata-bg);
}

.ata-login-box { width: 100%; max-width: 400px; }

.ata-login-box .ata-card { padding: 2rem; }

.ata-login-title { font-size: 1.3rem; font-weight: 800; margin-bottom: .2rem; }
.ata-login-sub { color: var(--ata-muted); font-size: .85rem; margin-bottom: 1.4rem; }

/* ============ Charts ============ */
.ata-chart-box { position: relative; height: 300px; }

/* ============ Toasts ============ */
.ata-toast-stack {
    position: fixed;
    top: 70px;
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    max-width: 340px;
}

.ata-toast {
    background: var(--ata-card);
    border: 1px solid var(--ata-border);
    border-left: 4px solid var(--ata-red);
    border-radius: 10px;
    box-shadow: var(--ata-shadow);
    padding: .7rem .9rem;
    font-size: .85rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    animation: ataToastIn .25s ease;
    cursor: pointer;
}

.ata-toast-success { border-left-color: #15803d; }
.ata-toast i { font-size: 1rem; }
.ata-toast-success i { color: #15803d; }
.ata-toast i.bi-x-octagon { color: var(--ata-red); }

@keyframes ataToastIn {
    from { transform: translateX(40px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============ Footer ============ */
.ata-footer {
    text-align: center;
    color: var(--ata-muted);
    font-size: .75rem;
    padding: 1rem 0 .5rem;
    border-top: 1px solid var(--ata-border);
    margin-top: 1.5rem;
}

/* ============ Scrollbar ============ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ata-bg); }
::-webkit-scrollbar-thumb { background: var(--ata-border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--ata-red); }

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
    .ata-login-wrap { flex-direction: column; }
    .ata-login-side { min-height: 220px; padding: 1.6rem; }
    .ata-main { padding: 1rem .8rem 2rem; }
    .ata-kpi-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
    .ata-page-title { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}