/* ==========================================================================
   Diseño de Interfaz Premium - Glassmorphism & Modern Dark Theme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Paleta de Colores (HSL) */
    --bg-base: hsl(224, 25%, 12%);
    --bg-surface: hsla(224, 25%, 18%, 0.65);
    --bg-surface-hover: hsla(224, 25%, 24%, 0.8);
    --bg-input: hsla(224, 25%, 8%, 0.5);
    
    --primary: hsl(230, 85%, 64%);
    --primary-hover: hsl(230, 85%, 68%);
    --primary-glow: hsla(230, 85%, 64%, 0.25);
    
    --accent-success: hsl(142, 70%, 50%);
    --accent-success-glow: hsla(142, 70%, 50%, 0.2);
    
    --accent-danger: hsl(346, 84%, 61%);
    --accent-danger-glow: hsla(346, 84%, 61%, 0.2);
    
    --text-main: hsl(220, 20%, 95%);
    --text-muted: hsl(220, 14%, 66%);
    --text-on-accent: hsl(224, 25%, 8%);
    
    --border-color: hsla(220, 20%, 30%, 0.4);
    --border-glow: hsla(230, 85%, 64%, 0.4);
    
    /* Bordes y Sombras */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    
    /* Fuentes */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
    font-size: 85%;
}

/* Reset y Estilos Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(at 0% 0%, hsla(230, 85%, 50%, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, hsla(142, 70%, 40%, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.5;
    padding: 2rem 1rem;
}

/* Utilidades de alineación */
.text-right {
    text-align: right !important;
}
.text-center {
    text-align: center !important;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    padding: 0 2rem;
}

/* Tipografía */
h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-main) 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Tarjetas y Efecto Cristal (Glassmorphism) */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

/* Formularios Estilizados */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control, .form-select {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Ocultar el icono del calendario nativo y poner cursor pointer para abrirlo al hacer click */
input[type="date"] {
    cursor: pointer;
    position: relative;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    display: none;
    -webkit-appearance: none;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Botones con Micro-animaciones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, hsl(230, 85%, 55%) 100%);
    color: var(--text-main);
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px 0 var(--primary-glow);
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--text-muted);
}

.btn-danger {
    background-color: var(--accent-danger);
    color: var(--text-main);
    box-shadow: 0 4px 14px 0 var(--accent-danger-glow);
}

.btn-danger:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px 0 var(--accent-danger-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-success) 0%, hsl(142, 70%, 45%) 100%);
    color: var(--text-main);
    box-shadow: 0 4px 14px 0 var(--accent-success-glow);
}

.btn-success:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px 0 var(--accent-success-glow);
}

/* Estructura de Tabla Dinámica de Items */
.table-responsive {
    overflow: visible;
    width: 100%;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.table-items {
    width: 100%;
    min-width: 850px; /* Evita que las columnas de entrada se compriman y deformen en pantallas chicas, habilitando un scroll horizontal limpio */
    border-collapse: collapse;
    text-align: left;
    background-color: hsla(224, 25%, 8%, 0.3);
}

.table-items th {
    background-color: hsla(224, 25%, 8%, 0.6);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table-items td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table-items tbody tr:last-child td {
    border-bottom: none;
}

.table-items tbody tr {
    transition: background-color 0.2s ease;
}

.table-items tbody tr:hover {
    background-color: hsla(224, 25%, 20%, 0.25);
}

.table-items tbody tr.row-urgente {
    background-color: hsla(346, 84%, 61%, 0.08);
}

.table-items tbody tr.row-urgente:hover {
    background-color: hsla(346, 84%, 61%, 0.15);
}

.table-items tbody tr.row-urgente td:first-child {
    border-left: 4px solid var(--accent-danger);
}

/* Secciones de Totales */
.totals-section {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.total-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 320px;
    font-size: 1rem;
}

.total-row.grand-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-success);
    border-top: 1px solid var(--border-color);
    padding-top: 0.5rem;
    margin-top: 0.5rem;
}

.total-row span:first-child {
    color: var(--text-muted);
}

/* Indicadores y Estados */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-success {
    background-color: var(--accent-success-glow);
    color: var(--accent-success);
    border: 1px solid hsla(142, 70%, 50%, 0.3);
}

/* Header de la Aplicación */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.app-logo svg {
    color: var(--primary);
}

.app-logo-img {
    height: 60px !important;
    max-width: 240px !important;
    object-fit: contain !important;
    margin-right: 10px !important;
    display: inline-block;
    vertical-align: middle;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.login-logo-img {
    height: 80px;
    max-width: 280px;
    object-fit: contain;
    margin-bottom: 1rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Estilo para los Modales */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: hsl(224, 25%, 15%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 1000px;
    padding: 2rem;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    background: none;
    border: none;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-main);
}

/* Alertas/Mensajes */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: var(--accent-success-glow);
    border: 1px solid hsla(142, 70%, 50%, 0.3);
    color: var(--accent-success);
}

.alert-danger {
    background-color: var(--accent-danger-glow);
    border: 1px solid hsla(346, 84%, 61%, 0.3);
    color: var(--accent-danger);
}

/* Buscador Autocompletado */
.searchable-select-container {
    position: relative;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: hsl(224, 25%, 16%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 0.25rem;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.dropdown-item:hover {
    background-color: var(--primary);
    color: var(--text-on-accent);
}

.dropdown-item-details {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.dropdown-item:hover .dropdown-item-details {
    color: var(--text-on-accent);
    opacity: 0.8;
}

/* Loader animado */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Adaptación Mobile (Responsive Design)
   ========================================================================== */

@media (max-width: 768px) {
    body {
        padding: 1rem 0.5rem;
    }
    .glass-panel {
        padding: 1.25rem;
        border-radius: var(--radius-md);
    }

    /* Adaptación de la Tabla de Items a Formato de Tarjetas (Cards) */
    .table-items thead {
        display: none;
    }

    .table-items, .table-items tbody, .table-items tr, .table-items td {
        display: block;
        width: 100%;
    }

    .table-items {
        min-width: 0 !important;
        background: none;
    }

    .table-items tbody tr {
        background: hsla(224, 25%, 16%, 0.7);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 1.5rem;
        padding: 1rem;
        box-shadow: var(--shadow-sm);
        transition: transform 0.2s ease;
        position: relative;
    }

    .table-items tbody tr:hover {
        background-color: hsla(224, 25%, 20%, 0.85);
    }

    .table-items td {
        border-bottom: 1px solid hsla(220, 20%, 30%, 0.3);
        padding: 0.75rem 0.5rem;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        text-align: left;
        gap: 0.4rem;
    }

    .table-items td:last-child {
        border-bottom: none;
        align-items: center;
        padding-top: 1rem;
    }

    .table-items td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.05em;
    }

    .table-items td:not([data-label])::before {
        content: none;
    }

    /* Asegurar que los inputs se expandan correctamente al 100% de la tarjeta */
    .table-items td .form-control,
    .table-items td .form-select,
    .table-items td .searchable-select-container {
        width: 100% !important;
        max-width: 100% !important;
    }
}

@media (max-width: 576px) {
    .app-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    .app-logo {
        justify-content: center;
    }
    .nav-bar {
        justify-content: center;
        gap: 0.5rem;
    }
    .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
    .filter-container {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .btn-filter-group {
        justify-content: center;
        width: 100%;
    }
    .btn-filter {
        flex: 1;
        text-align: center;
        padding: 0.5rem 0.25rem;
        font-size: 0.8rem;
    }
    .totals-section {
        align-items: stretch;
    }
    .total-row {
        max-width: 100%;
    }
    /* Estilo para que los botones de pie de formulario se apilen en pantallas muy chicas */
    form div[style*="justify-content: flex-end"] {
        flex-direction: column;
        align-items: stretch;
    }
    form div[style*="justify-content: flex-end"] .btn {
        width: 100%;
    }
    .grid-2, .grid-3 {
        gap: 1rem;
    }
    h1 {
        font-size: 1.75rem;
    }
}