/* ============================================================
   ARCASWEB — Sistema de diseño "Amigurumi Pastel"
   Poppins + paleta pastel + tarjetas modernas
   ============================================================ */

:root {
    --amg-primary: #D8B4FE;
    --amg-primary-dark: #A855F7;
    --amg-secondary: #F9A8D4;
    --amg-secondary-dark: #EC4899;
    --amg-tertiary: #93C5FD;
    --amg-tertiary-dark: #3B82F6;
    --amg-success: #86EFAC;
    --amg-success-dark: #16A34A;
    --amg-warning: #FDE68A;
    --amg-warning-dark: #CA8A04;
    --amg-danger: #FCA5A5;
    --amg-danger-dark: #DC2626;
    --amg-bg: #FFF9FC;
    --amg-text: #374151;
    --amg-muted: #9CA3AF;
    --amg-card-bg: #FFFFFF;
    --amg-radius: 1rem;
    --amg-radius-sm: .65rem;
    --amg-shadow: 0 4px 20px rgba(216, 180, 254, .25);
    --amg-shadow-hover: 0 10px 30px rgba(216, 180, 254, .45);
    --amg-sidebar-w: 250px;
    --amg-gradient: linear-gradient(135deg, #D8B4FE 0%, #F9A8D4 100%);
    --amg-gradient-soft: linear-gradient(160deg, #FDF4FF 0%, #FFF0F7 55%, #EFF6FF 100%);
}

html { font-size: 15px; position: relative; min-height: 100%; }

body {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    background: var(--amg-bg);
    color: var(--amg-text);
    margin-bottom: 0;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--amg-text); }

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

/* ---------- Layout con sidebar ---------- */
.amg-shell { display: flex; min-height: 100vh; }

.amg-sidebar {
    width: var(--amg-sidebar-w);
    min-height: 100vh;
    background: linear-gradient(180deg, #F3E8FF 0%, #FCE7F3 60%, #EFF6FF 100%);
    border-right: 1px solid rgba(216, 180, 254, .35);
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    padding: 1.25rem .9rem;
    transition: transform .3s ease;
    overflow-y: auto;
}

.amg-sidebar .amg-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--amg-text);
    padding: .25rem .5rem 1rem;
}

.amg-sidebar .amg-brand .amg-logo {
    width: 42px; height: 42px;
    display: grid; place-items: center;
    background: var(--amg-gradient);
    border-radius: .9rem;
    font-size: 1.3rem;
    box-shadow: var(--amg-shadow);
}

.amg-nav { list-style: none; margin: 0; padding: 0; flex: 1 1 auto; }

.amg-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .6rem .85rem;
    margin-bottom: .25rem;
    border-radius: var(--amg-radius-sm);
    color: var(--amg-text);
    font-weight: 500;
    font-size: .92rem;
    transition: background .25s ease, transform .25s ease, color .25s ease;
}

.amg-nav .nav-link i { font-size: 1.1rem; color: var(--amg-primary-dark); transition: color .25s ease; }

.amg-nav .nav-link:hover {
    background: rgba(255, 255, 255, .75);
    transform: translateX(4px);
}

.amg-nav .nav-link.active {
    background: var(--amg-gradient);
    color: #fff;
    box-shadow: var(--amg-shadow);
}

.amg-nav .nav-link.active i { color: #fff; }

.amg-sidebar-footer { padding-top: .75rem; border-top: 1px dashed rgba(168, 85, 247, .3); }

.amg-main {
    flex: 1 1 auto;
    margin-left: var(--amg-sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.amg-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .8rem 1.5rem;
    background: rgba(255, 255, 255, .8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(216, 180, 254, .3);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.amg-topbar .amg-user {
    display: flex; align-items: center; gap: .6rem;
    font-size: .9rem; font-weight: 500;
}

.amg-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--amg-gradient);
    color: #fff;
    display: grid; place-items: center;
    font-weight: 600;
}

.amg-content { padding: 1.5rem; flex: 1 1 auto; }

.amg-footer {
    text-align: center;
    padding: 1rem;
    color: var(--amg-muted);
    font-size: .85rem;
}

#amgSidebarToggle { display: none; border: none; background: transparent; font-size: 1.4rem; color: var(--amg-primary-dark); }

.amg-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(55, 65, 81, .35);
    z-index: 1035;
}

/* ---------- Encabezado de página ---------- */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.page-header h3, .page-header h1 {
    margin: 0;
    font-size: 1.45rem;
    display: flex; align-items: center; gap: .55rem;
}

.page-header h3 i { color: var(--amg-primary-dark); }

/* ---------- Tarjetas ---------- */
.card {
    border: none;
    border-radius: var(--amg-radius);
    background: var(--amg-card-bg);
    box-shadow: var(--amg-shadow);
    transition: transform .25s ease, box-shadow .25s ease;
}

.card:hover { box-shadow: var(--amg-shadow-hover); }

.card .card-title { font-weight: 600; }

/* Tarjetas de métricas del dashboard */
.stat-card {
    border-radius: var(--amg-radius);
    padding: 1.15rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    height: 100%;
    background: #fff;
    box-shadow: var(--amg-shadow);
    transition: transform .25s ease, box-shadow .25s ease;
}

.stat-card:hover { transform: translateY(-5px); box-shadow: var(--amg-shadow-hover); }

.stat-card .stat-icon {
    width: 52px; height: 52px;
    flex: 0 0 52px;
    display: grid; place-items: center;
    border-radius: .9rem;
    font-size: 1.45rem;
}

.stat-card .stat-label { font-size: .8rem; color: var(--amg-muted); font-weight: 500; margin-bottom: .1rem; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; line-height: 1.15; }

.stat-lilac  { background: linear-gradient(135deg, #FAF5FF, #F3E8FF); }
.stat-lilac .stat-icon  { background: var(--amg-primary); color: #6B21A8; }
.stat-pink   { background: linear-gradient(135deg, #FDF2F8, #FCE7F3); }
.stat-pink .stat-icon   { background: var(--amg-secondary); color: #9D174D; }
.stat-blue   { background: linear-gradient(135deg, #EFF6FF, #DBEAFE); }
.stat-blue .stat-icon   { background: var(--amg-tertiary); color: #1D4ED8; }
.stat-green  { background: linear-gradient(135deg, #F0FDF4, #DCFCE7); }
.stat-green .stat-icon  { background: var(--amg-success); color: #166534; }
.stat-yellow { background: linear-gradient(135deg, #FEFCE8, #FEF9C3); }
.stat-yellow .stat-icon { background: var(--amg-warning); color: #854D0E; }
.stat-red    { background: linear-gradient(135deg, #FEF2F2, #FEE2E2); }
.stat-red .stat-icon    { background: var(--amg-danger); color: #991B1B; }

/* ---------- Botones ---------- */
.btn { border-radius: var(--amg-radius-sm); font-weight: 500; transition: all .25s ease; }

.btn-primary {
    background: var(--amg-gradient);
    border: none;
    color: #fff;
    box-shadow: 0 4px 14px rgba(236, 72, 153, .3);
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, #C084FC 0%, #F472B6 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(236, 72, 153, .4);
}

.btn-secondary {
    background: #F3F4F6;
    border: none;
    color: var(--amg-text);
}
.btn-secondary:hover { background: #E5E7EB; color: var(--amg-text); }

.btn-success { background: var(--amg-success); border: none; color: #14532D; }
.btn-success:hover { background: #6EE7B7; color: #14532D; }

.btn-outline-primary { border-color: var(--amg-primary); color: var(--amg-primary-dark); }
.btn-outline-primary:hover { background: var(--amg-primary); border-color: var(--amg-primary); color: #fff; }

.btn-outline-danger { border-color: var(--amg-danger); color: var(--amg-danger-dark); }
.btn-outline-danger:hover { background: var(--amg-danger); border-color: var(--amg-danger); color: #7F1D1D; }

.btn-outline-secondary { border-color: #E5E7EB; color: var(--amg-text); }
.btn-outline-secondary:hover { background: #F3F4F6; border-color: #E5E7EB; color: var(--amg-text); }

/* ---------- Formularios ---------- */
.form-control, .form-select {
    border-radius: var(--amg-radius-sm);
    border: 1.5px solid #F1E6F7;
    padding: .55rem .9rem;
    color: var(--amg-text);
    background-color: #fff;
    transition: border-color .25s ease, box-shadow .25s ease;
}

.form-control::placeholder { color: #C4B5D4; }

.form-control:focus, .form-select:focus {
    border-color: var(--amg-primary);
    box-shadow: 0 0 0 .25rem rgba(216, 180, 254, .35);
}

.form-label { font-weight: 500; font-size: .88rem; margin-bottom: .35rem; }

.form-check-input:checked { background-color: var(--amg-primary-dark); border-color: var(--amg-primary-dark); }

/* Formularios de captura como tarjetas modernas */
.amg-content form.row {
    background: #fff;
    border-radius: var(--amg-radius);
    box-shadow: var(--amg-shadow);
    padding: 1.5rem;
    margin-left: 0;
    margin-right: 0;
}

.input-icon { position: relative; }
.input-icon > i {
    position: absolute;
    left: .85rem; top: 50%;
    transform: translateY(-50%);
    color: var(--amg-primary-dark);
    pointer-events: none;
}
.input-icon > .form-control, .input-icon > .form-select { padding-left: 2.4rem; }

.text-danger { color: var(--amg-danger-dark) !important; }

.input-validation-error { border-color: var(--amg-danger) !important; background-color: #FFF5F5; }

/* ---------- Tablas ---------- */
.table-responsive, .amg-table-card {
    background: #fff;
    border-radius: var(--amg-radius);
    box-shadow: var(--amg-shadow);
    padding: .5rem;
}

.table { margin-bottom: 0; color: var(--amg-text); --bs-table-striped-bg: #FDF8FC; }

.table thead th {
    background: linear-gradient(135deg, #F3E8FF, #FCE7F3);
    color: #6B21A8;
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: none;
    padding: .75rem .85rem;
    white-space: nowrap;
}

.table thead th:first-child { border-top-left-radius: var(--amg-radius-sm); border-bottom-left-radius: var(--amg-radius-sm); }
.table thead th:last-child { border-top-right-radius: var(--amg-radius-sm); border-bottom-right-radius: var(--amg-radius-sm); }

.table tbody td { padding: .65rem .85rem; vertical-align: middle; border-color: #F7EEF6; }

.table tbody tr { transition: background-color .2s ease; }
.table tbody tr:hover { background-color: #FAF2FB; }

/* Búsqueda rápida en tablas (inyectada por site.js) */
.amg-table-search { max-width: 300px; margin: .35rem .35rem .75rem; }

/* ---------- Badges ---------- */
.badge { border-radius: .6rem; font-weight: 500; padding: .4em .7em; }
.badge.text-bg-success { background-color: var(--amg-success) !important; color: #14532D !important; }
.badge.text-bg-danger  { background-color: var(--amg-danger) !important; color: #7F1D1D !important; }
.badge.text-bg-warning { background-color: var(--amg-warning) !important; color: #713F12 !important; }
.badge.text-bg-info    { background-color: var(--amg-tertiary) !important; color: #1E3A8A !important; }
.badge.text-bg-primary { background-color: var(--amg-primary) !important; color: #581C87 !important; }
.badge.text-bg-secondary { background-color: #E5E7EB !important; color: var(--amg-text) !important; }

/* ---------- Alertas ---------- */
.alert { border: none; border-radius: var(--amg-radius-sm); font-weight: 500; }
.alert-success { background: #ECFDF5; color: #065F46; border-left: 4px solid var(--amg-success); }
.alert-danger  { background: #FEF2F2; color: #991B1B; border-left: 4px solid var(--amg-danger); }
.alert-warning { background: #FFFBEB; color: #854D0E; border-left: 4px solid var(--amg-warning); }
.alert-info    { background: #EFF6FF; color: #1E40AF; border-left: 4px solid var(--amg-tertiary); }

/* ---------- List group ---------- */
.list-group { border-radius: var(--amg-radius); box-shadow: var(--amg-shadow); overflow: hidden; }
.list-group-item { border-color: #F7EEF6; padding: .8rem 1rem; }
.list-group-item-danger { background-color: #FEF2F2; color: #991B1B; }

/* ---------- Modales ---------- */
.modal-content { border: none; border-radius: var(--amg-radius); box-shadow: var(--amg-shadow-hover); }

@supports (backdrop-filter: blur(4px)) {
    .modal-backdrop.show { backdrop-filter: blur(4px); }
}

/* ---------- Login ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    background: var(--amg-gradient-soft);
    font-family: 'Poppins', sans-serif;
}

.login-hero {
    flex: 1 1 55%;
    background: var(--amg-gradient);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.login-hero::before, .login-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, .15);
}
.login-hero::before { width: 320px; height: 320px; top: -90px; right: -90px; }
.login-hero::after  { width: 220px; height: 220px; bottom: -60px; left: -60px; }

.login-hero .hero-emoji { font-size: 4.5rem; margin-bottom: 1.5rem; animation: amgFloat 4s ease-in-out infinite; }
.login-hero h1 { color: #fff; font-size: 2.3rem; font-weight: 700; }
.login-hero p { font-size: 1.1rem; opacity: .95; max-width: 420px; }

.login-panel {
    flex: 1 1 45%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, .85);
    border-radius: 1.4rem;
    box-shadow: var(--amg-shadow-hover);
    padding: 2.5rem 2.25rem;
    animation: amgSlideUp .6s ease both;
}

@supports (backdrop-filter: blur(12px)) {
    .login-card { backdrop-filter: blur(12px); }
}

.login-card .login-logo {
    width: 64px; height: 64px;
    margin: 0 auto 1rem;
    display: grid; place-items: center;
    background: var(--amg-gradient);
    border-radius: 1.1rem;
    font-size: 2rem;
    box-shadow: var(--amg-shadow);
}

/* ---------- Galería tipo Pinterest ---------- */
.amg-masonry {
    column-count: 3;
    column-gap: 1rem;
}

.amg-masonry .photo-card {
    display: inline-block;
    width: 100%;
    margin-bottom: 1rem;
    border-radius: var(--amg-radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--amg-shadow);
    break-inside: avoid;
    transition: transform .25s ease, box-shadow .25s ease;
}

.amg-masonry .photo-card:hover { transform: translateY(-4px); box-shadow: var(--amg-shadow-hover); }

.photo-card img { width: 100%; display: block; cursor: zoom-in; transition: transform .35s ease; }
.photo-card:hover img { transform: scale(1.04); }

.photo-card .photo-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .5rem .75rem;
    font-size: .8rem;
    color: var(--amg-muted);
}

.compare-col {
    background: #fff;
    border-radius: var(--amg-radius);
    box-shadow: var(--amg-shadow);
    padding: 1rem;
    height: 100%;
}

.compare-col .compare-title {
    text-align: center;
    font-weight: 600;
    margin-bottom: .85rem;
    padding: .4rem;
    border-radius: var(--amg-radius-sm);
}

.compare-ref .compare-title { background: #EFF6FF; color: #1D4ED8; }
.compare-res .compare-title { background: #F0FDF4; color: #15803D; }

#amgPhotoModal img { max-height: 80vh; object-fit: contain; border-radius: var(--amg-radius-sm); }

/* ---------- Gráficos ---------- */
.chart-card { padding: 1.25rem; height: 100%; }
.chart-card h6 { font-weight: 600; margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.chart-card h6 i { color: var(--amg-primary-dark); }

/* ---------- Animaciones ---------- */
@keyframes amgFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes amgSlideUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes amgFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.amg-content > * { animation: amgSlideUp .5s ease both; }
.amg-content > *:nth-child(2) { animation-delay: .07s; }
.amg-content > *:nth-child(3) { animation-delay: .14s; }
.amg-content > *:nth-child(4) { animation-delay: .21s; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .amg-sidebar { transform: translateX(-100%); box-shadow: none; }
    .amg-sidebar.show { transform: translateX(0); box-shadow: 0 0 40px rgba(55, 65, 81, .25); }
    .amg-main { margin-left: 0; }
    #amgSidebarToggle { display: inline-block; }
    .amg-backdrop.show { display: block; }
    .amg-masonry { column-count: 2; }
    .login-hero { display: none; }
    .login-panel { flex: 1 1 100%; }
}

@media (max-width: 575.98px) {
    .amg-content { padding: 1rem; }
    .amg-masonry { column-count: 1; }
    .stat-card .stat-value { font-size: 1.25rem; }
    .page-header h3 { font-size: 1.2rem; }
}

@media (min-width: 1600px) {
    .amg-content { max-width: 1500px; margin: 0 auto; width: 100%; }
}