/* ==========================================================================
   HOJA DE ESTILOS DEL GENERADOR DE EX-LIBRIS (EDICIÓN EDITORIAL)
   ========================================================================== */

.exlibris-container {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 35px;
    margin-bottom: 40px;
    align-items: start;
}

/* --------------------------------------------------------------------------
   PANEL DE CONTROLES
   -------------------------------------------------------------------------- */
.controls-panel {
    border: 2px solid var(--border-color);
    outline: 1px dashed var(--border-color);
    outline-offset: -6px;
    padding: 24px;
    background-color: var(--paper-texture-subtle);
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel-title {
    font-family: var(--font-headers);
    font-size: 1.15rem;
    color: var(--burgundy);
    letter-spacing: 1px;
    border-bottom: 1px double var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 2px;
}

.panel-desc {
    font-size: 0.78rem;
    opacity: 0.8;
    line-height: 1.3;
    margin-bottom: 4px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-headers);
    font-size: 0.68rem;
    letter-spacing: 1.2px;
    font-weight: bold;
    color: var(--text-color);
    opacity: 0.9;
}

.controls-panel select,
.controls-panel input[type="text"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--border-color);
    padding: 9px 12px;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--text-color);
    outline: none;
    box-shadow: inset 1px 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.25s ease;
    box-sizing: border-box;
}

.controls-panel select:focus,
.controls-panel input[type="text"]:focus {
    background: #ffffff;
    border-color: var(--burgundy);
    box-shadow: 0 0 5px rgba(122, 14, 28, 0.2);
}

/* Botón Notorio para Subir Imagen */
.custom-file-upload {
    display: block;
    width: 100%;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.6);
    border: 2px dashed var(--burgundy);
    color: var(--burgundy);
    font-family: var(--font-headers);
    font-size: 0.72rem;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 10px 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-sizing: border-box;
}

.custom-file-upload:hover {
    background-color: var(--burgundy);
    color: #ffffff;
}

.file-name-subtext {
    display: block;
    font-size: 0.68rem;
    font-style: italic;
    opacity: 0.75;
    margin-top: 3px;
    text-align: center;
}

/* Selector de color de sello */
.stamp-color-picker {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}

.stamp-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    cursor: pointer;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stamp-btn:hover {
    transform: translateY(-2px) scale(1.1);
}

.stamp-btn.active {
    transform: scale(1.15);
    border-color: var(--burgundy);
    outline: 2px solid var(--burgundy);
    outline-offset: 2px;
}

.stamp-btn.stamp-burgundy { background-color: #7a0e1c; }
.stamp-btn.stamp-black { background-color: #1a1816; }
.stamp-btn.stamp-blue { background-color: #1b365d; }
.stamp-btn.stamp-sepia { background-color: #4a3525; }

/* Botón Exportar */
.export-btn {
    margin-top: 12px;
    background: linear-gradient(135deg, var(--burgundy) 0%, #4a0812 100%);
    color: #ffffff;
    border: 1px solid var(--border-color);
    font-family: var(--font-headers);
    font-size: 0.8rem;
    letter-spacing: 2px;
    padding: 14px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 3px 3px 0px var(--border-color);
    transition: all 0.2s ease;
}

.export-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--border-color);
    filter: brightness(1.1);
}

/* --------------------------------------------------------------------------
   VISTA PREVIA DE TARJETA EX-LIBRIS
   -------------------------------------------------------------------------- */
.preview-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preview-label {
    font-family: var(--font-headers);
    font-size: 0.65rem;
    letter-spacing: 2px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.exlibris-card {
    width: 320px;
    height: 480px;
    background-color: #f7f3e8;
    border: 3px double #7a0e1c;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7a0e1c;
    transition: all 0.3s ease;
}

.exlibris-inner-border {
    border: 1px solid currentColor;
    outline: 1px solid currentColor;
    outline-offset: -5px;
    width: 100%;
    height: 100%;
    padding: 20px 15px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    text-align: center;
}

.exlibris-header {
    font-family: var(--font-headers);
    font-size: 0.8rem;
    letter-spacing: 2.5px;
    font-weight: bold;
    text-transform: uppercase;
}

.exlibris-divider {
    width: 80%;
    border-bottom: 1px solid currentColor;
    line-height: 0.1em;
    margin: 5px 0;
}

.exlibris-divider span {
    background: #f7f3e8;
    padding: 0 8px;
    font-size: 0.9rem;
}

/* Grabado de la tarjeta */
.exlibris-image-wrapper {
    width: 120px;
    height: 120px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.exlibris-image-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0px 0px 0px currentColor);
}

.exlibris-owner {
    font-family: var(--font-headers);
    font-size: 1.25rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 8px 0;
    word-break: break-word;
}

.exlibris-footer {
    border-top: 1px double currentColor;
    padding-top: 8px;
    width: 100%;
}

.exlibris-quote {
    font-family: var(--font-serif);
    font-size: 0.75rem;
    font-style: italic;
    opacity: 0.9;
    display: block;
}

/* Responsivo */
@media (max-width: 768px) {
    .exlibris-container {
        grid-template-columns: 1fr;
    }
}