/* ========================================
   UNIVERSIDAD DORADOS - ADEUDOS ALUMNO
   Diseño Futurista & Minimalista
   ======================================== */

/* ============ VARIABLES DE COLOR ============ */
:root {
    /* Paleta de colores elegante - Blanco, Gris y Dorado */
    --color-primary: #ffffff;
    --color-secondary: #f8f9fa;
    --color-accent-teal: #d4a853;       /* Dorado principal */
    --color-accent-blue: #c9a227;       /* Dorado intenso */
    --color-accent-purple: #b8860b;     /* Dorado oscuro */
    --color-accent-indigo: #e6be5a;     /* Dorado claro */
    
    /* Gradientes */
    --gradient-hero: linear-gradient(135deg, #ffffff 0%, #f5f5f5 50%, #fafafa 100%);
    --gradient-card-gold: linear-gradient(135deg, rgba(212, 168, 83, 0.1) 0%, rgba(212, 168, 83, 0.05) 100%);
    --gradient-card-light: linear-gradient(135deg, rgba(248, 249, 250, 1) 0%, rgba(255, 255, 255, 1) 100%);
    
    /* Texto */
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a68;
    --color-text-muted: #8a8aa3;
    
    /* Fondos */
    --color-bg-dark: #ffffff;
    --color-bg-card: rgba(255, 255, 255, 0.95);
    --color-bg-card-hover: rgba(255, 255, 255, 1);
    --color-bg-table-header: rgba(212, 168, 83, 0.08);
    --color-bg-table-row-hover: rgba(212, 168, 83, 0.05);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(212, 168, 83, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.08);
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Bordes */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============ CONTENEDOR PRINCIPAL ============ */
#adeudos-alumno-container {
    min-height: 100vh;
    background: var(--color-bg-dark);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 168, 83, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(201, 162, 39, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(184, 134, 11, 0.03) 0%, transparent 50%);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    overflow-x: hidden;
}

/* ============ ENCABEZADO PRINCIPAL ============ */
#adeudos-main-header {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    background: var(--gradient-hero);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.15);
    animation: fadeInDown 0.8s ease;
}

#adeudos-header-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

#adeudos-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.15) 0%, rgba(212, 168, 83, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-accent-teal);
    box-shadow: 
        0 0 30px rgba(212, 168, 83, 0.25),
        0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 3s ease-in-out 1;
    will-change: transform;
}
    #adeudos-icon-wrapper img {
        width: 80%;
        height: 80%;
        object-fit: contain;
        filter: drop-shadow(0 0 10px rgba(212, 168, 83, 0.4));
    }

        #adeudos-icon-wrapper i {
            font-size: 2.5rem;
            color: var(--color-accent-teal);
            filter: drop-shadow(0 0 10px rgba(212, 168, 83, 0.4));
        }

        #adeudos-page-title {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(212, 168, 83, 0.15);
        }

        #adeudos-title-divider {
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-accent-teal), transparent);
            margin: var(--spacing-md) auto 0;
            box-shadow: 0 0 10px rgba(212, 168, 83, 0.4);
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }

            50% {
                transform: translateY(-10px);
            }
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        /* ============ SECCIÓN DE INFORMACIÓN DEL ESTUDIANTE ============ */
        #student-info-section {
            max-width: 900px;
            margin: 0 auto var(--spacing-xl);
            animation: fadeInUp 0.8s ease 0.2s backwards;
        }

        #student-email-card {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(212, 168, 83, 0.2);
            border-radius: var(--border-radius-lg);
            padding: var(--spacing-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
            transition: all var(--transition-normal);
        }

            #student-email-card:hover {
                transform: translateY(-2px);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 0 30px rgba(212, 168, 83, 0.15);
            }

        .info-item-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .info-item-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.15) 0%, rgba(212, 168, 83, 0.08) 100%);
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(212, 168, 83, 0.3);
            box-shadow: 0 0 20px rgba(212, 168, 83, 0.15);
        }

            .info-item-icon i {
                font-size: 1.2rem;
                color: var(--color-accent-teal);
            }

        .info-item-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        #student-email-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.1) 0%, rgba(212, 168, 83, 0.05) 100%);
            padding: var(--spacing-xs) var(--spacing-md);
            border-radius: var(--border-radius-sm);
            border: 1px solid rgba(212, 168, 83, 0.15);
        }
        /* ============ SECCIÓN DE DETALLE DE ADEUDOS ============ */
        #adeudos-details-section {
            max-width: 1200px;
            margin: 0 auto;
            animation: fadeInUp 0.8s ease 0.4s backwards;
        }

        #adeudos-card-container {
            background: rgba(255, 255, 255, 0.98);
            border: 1px solid rgba(212, 168, 83, 0.15);
            border-radius: var(--border-radius-lg);
            padding: var(--spacing-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }

        #adeudos-card-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 2px solid rgba(212, 168, 83, 0.15);
        }

        #adeudos-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.15) 0%, rgba(212, 168, 83, 0.08) 100%);
            color: var(--color-accent-teal);
            border: 1px solid rgba(212, 168, 83, 0.3);
            box-shadow: 0 0 20px rgba(212, 168, 83, 0.15);
        }

        #adeudos-card-title {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0;
        }
        /* ============ TABLA DE ADEUDOS ============ */
        #adeudos-table-wrapper {
            overflow-x: auto;
            border-radius: var(--border-radius-md);
            box-shadow: inset 0 0 0 1px rgba(212, 168, 83, 0.1);
        }

        #adeudos-data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        #adeudos-table-header {
            background: var(--color-bg-table-header);
            position: sticky;
            top: 0;
            z-index: 10;
            transform: translateZ(0);
        }

            #adeudos-table-header th {
                padding: var(--spacing-md);
                text-align: left;
                font-weight: 700;
                color: var(--color-text-primary);
                text-transform: uppercase;
                letter-spacing: 0.5px;
                font-size: 0.85rem;
                border-bottom: 2px solid var(--color-accent-teal);
                white-space: nowrap;
            }

        #adeudos-table-body .adeudo-data-row {
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
            border-bottom: 1px solid rgba(212, 168, 83, 0.08);
        }

            #adeudos-table-body .adeudo-data-row:hover {
                background: var(--color-bg-table-row-hover);
                box-shadow: 0 4px 15px rgba(212, 168, 83, 0.1), inset 0 0 0 1px rgba(212, 168, 83, 0.2);
            }

        #adeudos-table-body td {
            padding: var(--spacing-md);
            color: var(--color-text-secondary);
            vertical-align: middle;
        }

        .cell-currency {
            font-weight: 600;
            color: var(--color-text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        .cell-fecha {
            font-variant-numeric: tabular-nums;
        }
        /* Fila de Total */
        #adeudos-total-row {
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.15) 0%, rgba(212, 168, 83, 0.08) 100%);
            font-weight: 700;
            border-top: 3px solid var(--color-accent-teal);
            box-shadow: 0 -4px 20px rgba(212, 168, 83, 0.1);
        }

        #total-label-cell {
            text-align: right;
            padding-right: var(--spacing-lg);
            color: var(--color-accent-teal);
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

            #total-label-cell i {
                margin-right: var(--spacing-xs);
                font-size: 1.2rem;
            }

        #total-value-cell {
            color: var(--color-accent-teal);
            font-size: 1.3rem;
            text-shadow: 0 0 10px rgba(212, 168, 83, 0.3);
        }
        /* ============ ESTADOS DE CARGA Y VACÍO ============ */
        .state-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: var(--spacing-xxl) var(--spacing-md);
            gap: var(--spacing-md);
        }
        /* Loading State */
        #adeudos-loading-container {
            animation: fadeIn 0.5s ease;
        }

        #loading-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid rgba(212, 168, 83, 0.2);
            border-top-color: var(--color-accent-teal);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        #loading-text {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            font-weight: 600;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }
        /* Empty State */
        #adeudos-empty-state {
            animation: fadeInUp 0.6s ease;
        }

        #empty-state-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, rgba(76, 175, 80, 0.15) 0%, rgba(76, 175, 80, 0.08) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid rgba(76, 175, 80, 0.3);
            box-shadow: 0 0 30px rgba(76, 175, 80, 0.2);
        }

            #empty-state-icon i {
                font-size: 3rem;
                color: #4caf50;
                filter: drop-shadow(0 0 10px rgba(76, 175, 80, 0.4));
            }

        #empty-state-message {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0;
        }

        #empty-state-submessage {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        .state-text, .state-subtext {
            text-align: center;
        }
        /* ============ RESPONSIVE DESIGN ============ */
        /* Tablets */
        @media (max-width: 992px) {
            #adeudos-alumno-container {
                padding: var(--spacing-md) var(--spacing-sm);
            }

            #adeudos-main-header {
                padding: var(--spacing-xl) var(--spacing-md);
            }

            #adeudos-icon-wrapper {
                width: 70px;
                height: 70px;
            }

                #adeudos-icon-wrapper i {
                    font-size: 2rem;
                }

            #adeudos-card-container {
                padding: var(--spacing-md);
            }

            #adeudos-table-wrapper {
                overflow-x: scroll;
            }
        }
        /* Mobile */
        @media (max-width: 768px) {
            :root {
                --spacing-lg: 1.5rem;
                --spacing-xl: 2rem;
                --spacing-xxl: 2.5rem;
            }

            #adeudos-alumno-container {
                padding: var(--spacing-sm);
            }

            #adeudos-main-header {
                padding: var(--spacing-lg) var(--spacing-sm);
                margin-bottom: var(--spacing-lg);
            }

            #adeudos-icon-wrapper {
                width: 60px;
                height: 60px;
            }

                #adeudos-icon-wrapper i {
                    font-size: 1.8rem;
                }

            #adeudos-page-title {
                font-size: 1.8rem;
            }

            #student-email-card {
                padding: var(--spacing-md);
            }

            .info-item-wrapper {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

            #adeudos-card-header {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

            #adeudos-card-icon {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
            /* Responsive Table */
            #adeudos-table-wrapper {
                border: none;
            }

            #adeudos-data-table {
                border: 0;
            }

            #adeudos-table-header {
                display: none;
            }

            #adeudos-table-body .adeudo-data-row {
                display: block;
                margin-bottom: var(--spacing-md);
                border: 1px solid rgba(212, 168, 83, 0.15);
                border-radius: var(--border-radius-md);
                overflow: hidden;
            }

                #adeudos-table-body .adeudo-data-row:hover {
                    transform: none;
                }

            #adeudos-table-body td {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: var(--spacing-sm) var(--spacing-md);
                border-bottom: 1px solid rgba(212, 168, 83, 0.08);
                text-align: right;
            }

                #adeudos-table-body td:last-child {
                    border-bottom: none;
                }

                #adeudos-table-body td::before {
                    content: attr(data-label);
                    font-weight: 700;
                    color: var(--color-text-primary);
                    text-transform: uppercase;
                    font-size: 0.8rem;
                    letter-spacing: 0.5px;
                }

            #adeudos-total-row {
                display: block;
                margin-top: var(--spacing-lg);
                border-radius: var(--border-radius-md);
            }

            #total-label-cell {
                display: flex;
                justify-content: center;
                text-align: center;
                padding: var(--spacing-md);
                border-bottom: 1px solid rgba(212, 168, 83, 0.3);
            }

                #total-label-cell::before {
                    content: none;
                }

            #total-value-cell {
                display: flex;
                justify-content: center;
                text-align: center;
                padding: var(--spacing-md);
                font-size: 1.5rem;
            }

                #total-value-cell::before {
                    content: none;
                }
        }
        /* Small Mobile */
        @media (max-width: 480px) {
            #adeudos-page-title {
                font-size: 1.5rem;
            }

            #adeudos-card-title {
                font-size: 1.2rem;
            }

            .info-item-label {
                font-size: 0.8rem;
            }

            #student-email-value {
                font-size: 0.95rem;
                word-break: break-all;
            }

            #adeudos-table-body td {
                padding: var(--spacing-xs) var(--spacing-sm);
                font-size: 0.9rem;
            }

            #total-value-cell {
                font-size: 1.3rem;
            }

            .state-container {
                padding: var(--spacing-xl) var(--spacing-sm);
            }

            #empty-state-icon {
                width: 80px;
                height: 80px;
            }

                #empty-state-icon i {
                    font-size: 2.5rem;
                }

            #empty-state-message {
                font-size: 1.1rem;
            }
        }
        /* High Resolution Displays */
        @media (min-width: 1920px) {
            #adeudos-alumno-container {
                max-width: 1800px;
                margin: 0 auto;
            }
        }
        /* Reduced Motion for Accessibility */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        /* Print Styles */
        @media print {
            #adeudos-main-header {
                background: white;
                color: black;
                box-shadow: none;
                border: 1px solid #ccc;
            }

            #adeudos-card-container {
                border: 1px solid #ccc;
                background: white;
                box-shadow: none;
            }

            #adeudos-table-body .adeudo-data-row:hover {
                background: none;
                transform: none;
            }

            #adeudos-total-row {
                background: #f0f0f0 !important;
            }

            #loading-spinner,
            .floating-orb {
                display: none;
            }
        }