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

/* ==========================================================================
   Alfasierra - Certificate Register Plugin Styles
   Diseño Moderno e Institucional (Colores Oficiales y Fuente Inter)
   ========================================================================== */

/* 1. Variables de Color y Diseño */
:root {
    --primary-color: #052258;    /* Azul institucional Alfasierra */
    --primary-hover: #031436;    /* Azul un poco más oscuro para hovers */
    --accent-color: #e74801;     /* Naranja institucional Alfasierra */
    --accent-hover: #c43b00;     /* Naranja más oscuro para hovers */
    --danger-color: #EF4444;     /* Rojo para botón eliminar */
    --danger-hover: #DC2626;
    
    --bg-light: #F8FAFC;         /* Fondo gris súper claro para inputs */
    --border-color: #E2E8F0;     /* Bordes sutiles */
    --text-main: #334155;        /* Texto principal (más suave que negro puro) */
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;               /* Bordes redondeados modernos */
}

/* Forzar la fuente Inter en todo el plugin */
.certificate-form-container,
.search-certificates-container,
.certificates-table-container,
.certificate-form-container *,
.search-certificates-container *,
.certificates-table-container * {
    font-family: 'Inter', sans-serif !important;
}

/* 2. Contenedores Principales */
.certificate-form-container,
.search-certificates-container,
.certificates-table-container {
    max-width: 750px; 
    margin: 40px auto;
    padding: 35px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    color: var(--text-main);
}

.certificates-table-container {
    max-width: 1000px;
}

/* Títulos */
.certificate-form-container h2,
.search-certificates-container h2,
.certificates-table-container h2 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
    font-size: 1.6em;
    font-weight: 700;
}

/* 3. Formularios e Inputs */
.certificate-form .form-group,
.search-certificate-form .form-group {
    margin-bottom: 20px;
}

.certificate-form .form-group label,
.search-certificate-form .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95em;
}

.certificate-form .form-group input,
.search-certificate-form .form-group input,
.search-certificate-form .form-group select {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1em;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.certificate-form .form-group input:focus,
.search-certificate-form .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(5, 34, 88, 0.1); /* Brillo azul Alfasierra al hacer clic */
}

/* 4. Botones */
.certificate-form .btn-register,
.search-certificate-form .btn-search,
.btn-delete {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 12px 24px;
    font-size: 1em;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Botones principales en naranja */
.certificate-form .btn-register,
.search-certificate-form .btn-search {
    background: var(--accent-color);
    color: #ffffff;
}

.certificate-form .btn-register {
    width: 100%; /* Botón ancho para el formulario de registro */
    margin-top: 10px;
}

.certificate-form .btn-register:hover,
.search-certificate-form .btn-search:hover {
    background: var(--accent-hover);
    transform: translateY(-2px); /* Pequeño salto al pasar el mouse */
}

.search-certificate-form .btn-search {
    height: 46px; /* Alinear exactamente con la altura del input */
}

.btn-delete {
    background: var(--danger-color);
    color: #ffffff;
    padding: 8px 14px;
    font-size: 0.85em;
}

.btn-delete:hover {
    background: var(--danger-hover);
    color: #ffffff; /* Asegura que el texto permanezca blanco */
}

/* 5. Tablas de Administrador y Resultados */
.certificates-table-container {
    overflow-x: auto;
}

.certificates-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 10px;
}

.certificates-table th, 
.certificates-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}

.certificates-table th {
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Bordes curvos solo para las esquinas de la cabecera */
.certificates-table th:first-child {
    border-top-left-radius: var(--radius);
}
.certificates-table th:last-child {
    border-top-right-radius: var(--radius);
}

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

.certificates-table tr:hover {
    background-color: var(--bg-light);
}

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

.certificates-table a {
    color: var(--accent-color); /* Enlaces en color naranja */
    text-decoration: none;
    font-weight: 600;
}

.certificates-table a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* 6. Alertas y Mensajes */
.messages p {
    padding: 15px 20px;
    border-radius: 6px;
    font-weight: 500;
    border-left: 4px solid transparent;
}

.messages p.success {
    background: #F0FDF4;
    color: #166534;
    border-left-color: #22C55E;
}

.messages p.error {
    background: #FEF2F2;
    color: #991B1B;
    border-left-color: #EF4444;
}

/* 7. Detalles Visuales para el Canvas (Drag & Drop) */
#pdf-container {
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-sm);
}

#qr-draggable {
    border: 2px dashed var(--accent-color) !important;
    background: rgba(5, 34, 88, 0.7) !important; /* Azul primario de Alfasierra semitransparente */
    border-radius: 4px;
}
/* 8. Responsividad del Visor PDF y Detalles (Móviles y Tablets) */
.pdf-wrapper {
    position: relative;
    width: 100%;
    height: 70vh; /* Ocupa el 70% de la altura de la pantalla visible */
    min-height: 450px; /* Altura mínima de seguridad */
    max-height: 900px;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
}

.pdf-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Adaptación para pantallas de celular (menos de 768px) */
@media (max-width: 768px) {
    /* Apilar el formulario de búsqueda */
    .search-certificate-form .form-group {
        flex-direction: column;
        align-items: stretch !important;
    }
    
    .search-certificate-form .btn-search {
        width: 100%;
        margin-top: 15px;
    }

    /* Apilar los detalles del certificado */
    .certificate-details {
        flex-direction: column;
        align-items: flex-start !important;
        padding: 15px !important;
    }

    /* Ajustar el botón de "Abrir en otra pestaña" */
    .certificate-embed > div {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 12px;
    }
    
    .certificate-embed a {
        width: 100%;
        justify-content: center;
        box-sizing: border-box;
    }

    /* Ajustar la altura del PDF en celulares */
    .pdf-wrapper {
        height: 60vh;
        min-height: 400px;
    }
}