/*
==================================================
[1] VARIAS Y RESET / TIPOGRAFÍA / UTILERÍA
==================================================
*/

/* Reset Básico y Tipografía Afacad */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body { 
    /* Variables de Color (Asumidas si no están en style.css) */
    /*
    --color-primary: #00ADB5;
    --color-text-dark: #1A1A1A;
    --color-text-muted: #757575;
    --color-bg-light: #F8F8F8;
    --color-bg-medium: #FFFFFF;
    --line-color-soft: #EDEDED;
    --line-color-hard: #C0C0C0;
    --color-error: #D32F2F;
    --color-success: #388E3C;
    */
    background: var(--color-bg-light, #F8F8F8);
    color: var(--color-text-dark, #1A1A1A);
    font-family: Afacad, sans-serif;
    line-height: 1.6;
    font-size: 16px;
}

main { 
    padding: 80px 60px; 
    margin: 0 auto;
}

a {
    text-decoration: none;
}

/* Utilería de Espaciado */
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.p-20 { padding: 20px; }
.p-30 { padding: 30px; }

/* Contenedores Comunes (usados en agregar/editar) */
.card-panel {
    background: var(--color-bg-medium, white);
    border: 1px solid var(--line-color-soft, #EDEDED);
    border-radius: 6px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    padding: 30px;
    margin-bottom: 40px;
}

/* ================================================= */
/* [2] HEADER Y TÍTULOS */
/* ================================================= */


/* Título de la Página Principal */
.dashboard-title-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--line-color-soft, #EDEDED);
    padding-bottom: 15px;
}
.dashboard-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-dark, #1A1A1A);
}

/* ================================================= */
/* [3] BARRA DE HERRAMIENTAS Y BÚSQUEDA */
/* ================================================= */

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px; 
    flex-wrap: wrap; /* Para que funcione bien en pantallas medianas */
}

/* Formulario de Búsqueda */
.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}
.search-form input[type="text"] {
    padding: 12px 16px; 
    border: 1px solid var(--line-color-soft, #ddd); 
    width: 400px;
    font-size: 1rem;
    background-color: var(--color-bg-medium, #FFFFFF);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: Afacad, sans-serif;
}
.btn:last-child {
    margin-right: 0;
}

.btn-edit { 
    border-color: var(--color-primary, #00ADB5); 
    color: var(--color-primary, #00ADB5);
}
.btn-edit:hover { 
    background: var(--color-primary, #00ADB5); 
    color: var(--color-bg-medium, white);
}

.btn-delete { 
    border-color: var(--color-error, #D32F2F); 
    color: var(--color-error, #D32F2F);
}
.btn-delete:hover { 
    background: var(--color-error, #D32F2F); 
    color: var(--color-bg-medium, white);
}

/* ================================================= */
/* [5] ESTILOS DE TABLA (LISTADO) */
/* ================================================= */

table { 
    width: 100%; 
    border-collapse: collapse; 
    background: var(--color-bg-medium, #FFFFFF); 
    overflow: hidden; 
    border: 1px solid var(--line-color-soft, #EDEDED);
    border-radius: 4px;
}

thead { 
    background: var(--color-text-dark, #1A1A1A); 
    color: var(--color-bg-medium, white); 
    border-bottom: 3px solid var(--color-primary, #00ADB5);
}

thead th { 
    padding: 15px; 
    text-align: left; 
    font-weight: 600; 
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

tbody tr:nth-child(even) {
    background-color: var(--color-bg-light, #F8F8F8);
}

tbody td { 
    padding: 12px 15px; 
    vertical-align: middle;
    font-size: 0.95rem;
    border-top: 1px solid var(--line-color-soft, #EDEDED); 
}

tbody tr:hover { 
    background: var(--line-color-soft, #EDEDED);
    cursor: default; 
}

.img-thumb { 
    max-height: 120px;
    object-fit: cover; 
}

td[data-label="Stock"] {
    font-weight: 700;
}
td[data-label="Precio"] {
    font-weight: 700;
    color: var(--color-primary, #00ADB5);
}

/* Mensaje de no resultados */
.no-results-row td {
    text-align: center;
    padding: 40px !important;
    font-style: italic;
    color: var(--color-text-muted, #757575);
}


/* ================================================= */
/* [6] ESTILOS DE FORMULARIO (Agregar/Editar Bici) */
/* ================================================= */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-dark, #1A1A1A);
    font-size: 1rem;
}

.form-group input:not([type="checkbox"]):not([type="radio"]), 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--line-color-hard, #C0C0C0);
    border-radius: 4px;
    font-size: 1rem;
    font-family: Afacad, sans-serif;
    background-color: var(--color-bg-medium, white);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
    border-color: var(--color-primary, #00ADB5);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Inputs en línea (ej: precio y stock uno al lado del otro) */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* Estilo para el input de archivo (Imagen) */
.form-group input[type="file"] {
    border: none;
    padding: 0;
    cursor: pointer;
}

input[type="checkbox"] {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}


/* ================================================= */
/* [7] MENSAJES DE ESTADO (Notificaciones) */
/* ================================================= */

.message {
    padding: 15px 20px;
    border-radius: 4px;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid transparent;
}

.message.success {
    background-color: #E8F5E9; /* Verde claro */
    color: var(--color-success, #388E3C);
    border-color: #A5D6A7;
}

.message.error {
    background-color: #FFEBEE; /* Rojo claro */
    color: var(--color-error, #D32F2F);
    border-color: #EF9A9A;
}

.message.warning {
    background-color: #FFFDE7; /* Amarillo claro */
    color: #FFC107;
    border-color: #FFECB3;
}


.img-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 20px;
    margin-bottom: 40px;
}

.img-item {
    position: relative;
    height: 240px;
    border-radius: var(--border-radius-none);
    overflow: hidden;
    border: 1px solid var(--line-color-hard);
    background: var(--color-bg-light);
    cursor: grab;
    transition: border-color 0.2s;
}

.img-item:hover {
    border-color: var(--color-primary);
}

.img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 4px solid transparent;
}

.img-item img.principal {
    border: 4px solid var(--color-primary);
}

.img-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 10px;
    opacity: 0; 
    transition: opacity 0.3s;
    z-index: 10;
}

.img-item:hover .img-actions {
    opacity: 1;
}

.img-actions button {
    background: var(--color-bg-medium);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 8px;
    border-radius: var(--border-radius-none);
    cursor: pointer;
    line-height: 1;
    font-size: 14px;
}

.img-actions button:hover {
    background: var(--color-primary);
    color: var(--color-bg-medium);
}


/* ================================================= */
/* [8] RESPONSIVE DESIGN (Tabletas y Móviles) */
/* ================================================= */

/* Tabletas y Móbiles */
@media(max-width: 1280px){ 
    main {
        padding: 20px;
    }
    .site-header {
        padding: 15px 20px;
    }
    .dashboard-title-wrapper {
        flex-direction: column;
        align-items: flex-start;
        padding-bottom: 10px;
    }
    .dashboard-title {
        margin-bottom: 15px;
    }
    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    .search-form {
        width: 100%;
    }
    .search-form input[type="text"] {
        width: 100%;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
     thead { display: none; }
    
    table, tbody, tr, td { display: block; }
    
    tbody tr { 
        margin-bottom: 20px; 
        background: var(--color-bg-medium, white); 
        padding: 15px; 
        border-radius: 4px; 
        border: 1px solid var(--line-color-hard, #C0C0C0);
    }
    tbody td { 
        border: none;
        position: relative;
        padding-left: 50%;
        text-align: right;
        border-top: 1px dashed var(--line-color-soft, #EDEDED);
    }
    tbody td:first-child { border-top: none; }

    tbody td::before { 
        content: attr(data-label);
        position: absolute;
        left: 15px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: 700; 
        color: var(--color-text-dark, #1A1A1A); 
    }
    /* Estilos específicos de la columna de acciones en móvil */
    td[data-label="Acciones"] {
        text-align: center;
        padding-top: 20px;
        padding-bottom: 0;
    }
}

/* media 768px */
@media(max-width: 768px){ 
    .dashboard-title {
        margin: 0;
    }
    .dashboard-title-wrapper a {
        width: 100%;
        text-align: center;
        margin-top: 10px;
    }

    .btn {
        padding: 10px 14px;
    }
}