/* 
===================================================
PREMIUM GLASSMORPHISM & AESTHETIC UI
===================================================
*/

:root {
    /* Glass Tokens - Light Mode */
    --glass-blur: blur(16px) saturate(180%);
    
    /* Backgrounds: Más vibrantes para que el glass destaque */
    --glass-bg-body: #f4f7f6;
    --glass-bg-base: rgba(255, 255, 255, 0.5); 
    --glass-bg-hover: rgba(255, 255, 255, 0.65);
    --glass-bg-solid: rgba(255, 255, 255, 0.75);

    /* Borders: Gradiente sutil simulando el borde de cristal */
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-border-highlight: rgba(255, 255, 255, 1);
    
    /* Shadows: Suaves e inmersivas */
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --glass-shadow-inset: inset 0 1px 1px rgba(255, 255, 255, 0.8), inset 0 0 20px rgba(255, 255, 255, 0.3);
}

body.dark-theme {
    /* Glass Tokens - Dark Mode */
    --glass-bg-body: #080c16;
    --glass-bg-base: rgba(17, 24, 39, 0.5);
    --glass-bg-hover: rgba(17, 24, 39, 0.65);
    --glass-bg-solid: rgba(17, 24, 39, 0.75);

    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-highlight: rgba(255, 255, 255, 0.15);
    
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --glass-shadow-inset: inset 0 1px 1px rgba(255, 255, 255, 0.08), inset 0 0 20px rgba(255, 255, 255, 0.02);
}

/* 
---------------------------------------------------
1. FONDO LÍQUIDO (Animated Mesh Background)
---------------------------------------------------
*/

body {
    background-color: var(--glass-bg-body) !important;
    position: relative;
    z-index: 0;
}

/* Círculos flotantes desenfocados en el fondo */
body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.6;
    animation: liquid-float 20s infinite alternate ease-in-out;
    pointer-events: none;
    will-change: transform;
    transform: translateZ(0);
}

/* Círculo top-left */
body::before {
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.8) 0%, transparent 70%);
    top: -10vh;
    left: -10vw;
}

/* Círculo bottom-right */
body::after {
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.8) 0%, transparent 70%);
    bottom: -15vh;
    right: -10vw;
    animation-delay: -10s;
    opacity: 0.4;
}

body.dark-theme::before {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.4) 0%, transparent 70%);
    opacity: 0.3;
}
body.dark-theme::after {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    opacity: 0.2;
}

@media (max-width: 768px), (prefers-reduced-motion: reduce) {
    body::before, body::after {
        animation: none;
    }
}

@keyframes liquid-float {
    0% { transform: translate(0, 0) scale(1) translateZ(0); }
    33% { transform: translate(5vw, 5vh) scale(1.1) translateZ(0); }
    66% { transform: translate(-3vw, 8vh) scale(0.9) translateZ(0); }
    100% { transform: translate(-5vw, -3vh) scale(1.05) translateZ(0); }
}

/* 
---------------------------------------------------
2. COMPONENTES GLASS
---------------------------------------------------
*/

.glass-panel, .sidebar, .card:not(.stat-card), .table-container {
    background: var(--glass-bg-base) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow), var(--glass-shadow-inset) !important;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.stat-card {
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow), var(--glass-shadow-inset) !important;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

/* Sidebar Specifics */
.sidebar {
    background: var(--glass-bg-solid) !important;
    border-right: 1px solid var(--glass-border-highlight) !important;
}

@media (max-width: 768px) {
    .sidebar {
        border-top: 1px solid var(--glass-border-highlight) !important;
        border-right: none !important;
    }
}

/* Hover en tarjetas */
.card:hover, .stat-card:hover {
    transform: translateY(-6px) scale(1.015) rotateX(1deg) rotateY(1deg);
    border-color: var(--glass-border-highlight) !important;
    box-shadow: 0 20px 40px 0 rgba(31, 38, 135, 0.12), var(--glass-shadow-inset) !important;
    background: var(--glass-bg-hover) !important;
    z-index: 5;
}

body.dark-theme .card:hover, body.dark-theme .stat-card:hover {
    box-shadow: 0 20px 40px 0 rgba(0, 0, 0, 0.5), var(--glass-shadow-inset) !important;
}

/* ----- Formularios y Botones en modo Glass ----- */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.6) !important;
    border: 1px solid rgba(0, 0, 0, 0.15) !important;
    transition: all 0.2s ease;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

body.dark-theme .form-control, body.dark-theme .form-select {
    background-color: rgba(0, 0, 0, 0.3) !important;
    color: var(--text-main) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

body.dark-theme option {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.9) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2) !important;
    transform: translateY(-1px);
}

body.dark-theme .form-control:focus {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

/* ----- Modales ----- */
.modal-overlay {
    backdrop-filter: blur(10px) saturate(150%) !important;
    -webkit-backdrop-filter: blur(10px) saturate(150%) !important;
    background-color: rgba(0, 0, 0, 0.2) !important;
}

body.dark-theme .modal-overlay {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

.modal {
    background: var(--glass-bg-solid) !important;
    border: 1px solid var(--glass-border-highlight) !important;
    box-shadow: 0 25px 50px rgba(0,0,0,0.2), var(--glass-shadow-inset) !important;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    animation: modal-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes modal-pop {
    0% { transform: scale(0.9) translateY(10px); opacity: 0; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

body.dark-theme .modal {
    box-shadow: 0 25px 50px rgba(0,0,0,0.6), var(--glass-shadow-inset) !important;
}

/* ----- Tablas ----- */
table {
    background: transparent !important;
}
th {
    background-color: rgba(255, 255, 255, 0.4) !important;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
body.dark-theme th {
    background-color: rgba(0, 0, 0, 0.3) !important;
}
tr:hover td {
    background-color: rgba(14, 165, 233, 0.08) !important;
    transition: background-color 0.2s ease;
}

/* ----- Glass Effect Utility Class ----- */
.glass-effect {
    background: var(--glass-bg-base) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--glass-shadow), var(--glass-shadow-inset) !important;
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}