:root {
    --sv-orange: #f97316;
    --sv-orange-dark: #ea580c;
    --sv-orange-soft: #fff7ed;
    --sv-bg: #f8fafc;
    --sv-surface: #ffffff;
    --sv-border: #e5e7eb;
    --sv-text: #1f2937;
    --sv-muted: #6b7280;
    --sv-sidebar-w: 250px;
    --sv-status-pendiente: #f59e0b;
    --sv-status-observada: #f97316;
    --sv-status-corregida: #3b82f6;
    --sv-status-validada: #22c55e;
    --sv-status-rechazada: #ef4444;
    --bs-primary: #f97316;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    background: var(--sv-bg);
    color: var(--sv-text);
    margin: 0;
}

/* ── Botones primarios (override Bootstrap) ─────────────────────── */
.btn-primary {
    --bs-btn-bg: var(--sv-orange);
    --bs-btn-border-color: var(--sv-orange);
    --bs-btn-hover-bg: var(--sv-orange-dark);
    --bs-btn-hover-border-color: var(--sv-orange-dark);
    --bs-btn-active-bg: var(--sv-orange-dark);
    --bs-btn-active-border-color: var(--sv-orange-dark);
    --bs-btn-disabled-bg: var(--sv-orange);
    --bs-btn-disabled-border-color: var(--sv-orange);
}
.btn-outline-primary {
    --bs-btn-color: var(--sv-orange);
    --bs-btn-border-color: var(--sv-orange);
    --bs-btn-hover-bg: var(--sv-orange);
    --bs-btn-hover-border-color: var(--sv-orange);
    --bs-btn-active-bg: var(--sv-orange);
    --bs-btn-active-border-color: var(--sv-orange);
}
a { color: var(--sv-orange-dark); }
.text-primary { color: var(--sv-orange) !important; }
.form-control:focus, .form-select:focus {
    border-color: var(--sv-orange);
    box-shadow: 0 0 0 .2rem rgba(249, 115, 22, .15);
}

/* ── Layout ─────────────────────────────────────────────────────── */
.sv-layout { display: flex; min-height: 100vh; }

.sv-sidebar {
    width: var(--sv-sidebar-w);
    background: var(--sv-surface);
    border-right: 1px solid var(--sv-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1040;
    transition: transform .25s ease;
}
.sv-brand {
    display: flex; align-items: center; gap: .6rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--sv-border);
}
.sv-brand-badge {
    background: var(--sv-orange);
    color: #fff;
    font-weight: 700;
    width: 36px; height: 36px;
    border-radius: 9px;
    display: inline-flex; align-items: center; justify-content: center;
    letter-spacing: .5px;
}
.sv-brand-badge-lg { width: 56px; height: 56px; font-size: 1.4rem; border-radius: 14px; }
.sv-brand-text { font-weight: 700; font-size: 1.15rem; }

.sv-nav { flex: 1; overflow-y: auto; padding: .75rem 0; }
.sv-nav-link {
    display: flex; align-items: center; gap: .75rem;
    padding: .6rem 1.25rem;
    color: var(--sv-muted);
    text-decoration: none;
    font-weight: 500;
    border-left: 3px solid transparent;
}
.sv-nav-link i { font-size: 1.1rem; }
.sv-nav-link:hover { background: var(--sv-orange-soft); color: var(--sv-orange-dark); }
.sv-nav-link.active {
    color: var(--sv-orange-dark);
    background: var(--sv-orange-soft);
    border-left-color: var(--sv-orange);
}

.sv-sidebar-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--sv-border); }
.sv-user { display: flex; align-items: center; gap: .6rem; }
.sv-user-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--sv-orange-soft); color: var(--sv-orange-dark);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.sv-user-name { font-weight: 600; font-size: .9rem; line-height: 1.1; }
.sv-user-role { font-size: .78rem; color: var(--sv-muted); }

.sv-main {
    flex: 1;
    margin-left: var(--sv-sidebar-w);
    display: flex; flex-direction: column;
    min-width: 0;
}
.sv-topbar {
    display: flex; align-items: center; gap: .5rem;
    background: var(--sv-surface);
    border-bottom: 1px solid var(--sv-border);
    padding: .75rem 1.25rem;
    position: sticky; top: 0; z-index: 1030;
}
.sv-page-title { font-size: 1.15rem; font-weight: 700; margin: 0; }
.sv-topbar-spacer { flex: 1; }
.sv-menu-toggle { display: none; font-size: 1.5rem; color: var(--sv-text); padding: 0 .5rem; }
.sv-content { padding: 1.5rem; flex: 1; }
.sv-footer { padding: 0.75rem 1.5rem; border-top: 1px solid var(--bs-border-color, #e5e7eb); text-align: center; }

.sv-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.4);
    z-index: 1035; display: none;
}
.sv-backdrop.show { display: block; }

@media (max-width: 991.98px) {
    .sv-sidebar { transform: translateX(-100%); }
    .sv-sidebar.open { transform: translateX(0); }
    .sv-main { margin-left: 0; }
    .sv-menu-toggle { display: inline-flex; }
}

/* ── Tarjetas KPI ──────────────────────────────────────────────── */
.sv-card {
    background: var(--sv-surface);
    border: 1px solid var(--sv-border);
    border-radius: 14px;
    padding: 1.25rem;
}
.sv-kpi { display: flex; align-items: center; gap: 1rem; }
.sv-kpi-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    background: var(--sv-orange-soft); color: var(--sv-orange-dark);
}
.sv-kpi-value { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.sv-kpi-label { color: var(--sv-muted); font-size: .85rem; }

/* ── Semáforo de estados ───────────────────────────────────────── */
.sv-badge {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .25rem .6rem; border-radius: 999px;
    font-size: .78rem; font-weight: 600;
    border: 1px solid transparent;
}
.sv-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.sv-badge-pendiente { color: #b45309; background: #fef3c7; }
.sv-badge-observada { color: #c2410c; background: #ffedd5; }
.sv-badge-corregida { color: #1d4ed8; background: #dbeafe; }
.sv-badge-validada  { color: #15803d; background: #dcfce7; }
.sv-badge-rechazada { color: #b91c1c; background: #fee2e2; }

/* ── Tablas ────────────────────────────────────────────────────── */
.sv-table-wrap { background: var(--sv-surface); border: 1px solid var(--sv-border); border-radius: 14px; padding: 1rem; }
table.dataTable thead th { border-bottom: 2px solid var(--sv-border); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; color: var(--sv-muted); }
table.dataTable tbody td { vertical-align: middle; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--sv-orange) !important; border-color: var(--sv-orange) !important; color: #fff !important;
}

/* ── Login ─────────────────────────────────────────────────────── */
.sv-auth-body {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #fff7ed 0%, #f8fafc 60%);
    padding: 1.5rem;
}
.sv-auth-wrap { width: 100%; max-width: 410px; }
.sv-auth-card {
    background: var(--sv-surface);
    border: 1px solid var(--sv-border);
    border-radius: 18px;
    padding: 2.25rem 2rem;
    box-shadow: 0 12px 40px rgba(0,0,0,.06);
}
.sv-auth-brand { text-align: center; margin-bottom: 1.5rem; }
.sv-auth-brand .sv-brand-badge { margin: 0 auto .75rem; }
.sv-auth-title { font-weight: 700; font-size: 1.5rem; margin: 0; }
.sv-auth-subtitle { color: var(--sv-muted); margin: .25rem 0 0; }
.sv-auth-foot { text-align: center; color: var(--sv-muted); font-size: .8rem; margin: 1.25rem 0 0; }

/* ── Toasts ────────────────────────────────────────────────────── */
.sv-toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 1080; display: flex; flex-direction: column; gap: .5rem; }
.sv-toast {
    min-width: 260px; max-width: 360px;
    background: var(--sv-surface); border: 1px solid var(--sv-border);
    border-left: 4px solid var(--sv-muted);
    border-radius: 10px; padding: .75rem 1rem;
    box-shadow: 0 6px 24px rgba(0,0,0,.10);
    display: flex; align-items: start; gap: .6rem;
    animation: sv-toast-in .2s ease;
}
.sv-toast.success { border-left-color: var(--sv-status-validada); }
.sv-toast.error { border-left-color: var(--sv-status-rechazada); }
.sv-toast.info { border-left-color: var(--sv-status-corregida); }
@keyframes sv-toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ── Utilidades ────────────────────────────────────────────────── */
.sv-section-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 1rem; }
.sv-empty { text-align: center; color: var(--sv-muted); padding: 2.5rem 1rem; }
.sv-empty i { font-size: 2.5rem; opacity: .5; display: block; margin-bottom: .5rem; }
.sv-progress { height: 8px; border-radius: 999px; background: var(--sv-border); overflow: hidden; }
.sv-progress-bar { height: 100%; background: var(--sv-orange); border-radius: 999px; }
.sv-timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.sv-timeline li { position: relative; padding: 0 0 1.1rem 1.75rem; border-left: 2px solid var(--sv-border); }
.sv-timeline li:last-child { border-left-color: transparent; }
.sv-timeline-dot { position: absolute; left: -7px; top: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--sv-orange); }
.sv-required::after { content: " *"; color: var(--sv-status-rechazada); }