/* --- VARIABILI CSS (Default: sovrascritte da JS) --- */
:root {
    --copisteria-primary: #4f46e5;
    --copisteria-primary-hover: #4338ca;
    --copisteria-bg-light: #f9fafb;
    --copisteria-border: #e5e7eb;
    --copisteria-radius: 8px;
    
    /* Configurazione Dinamica */
    --copisteria-icon-size: 40px; 
    --copisteria-text-size: 16px; 
    --copisteria-text-weight: 600; 
    --copisteria-box-shadow: 0 4px 6px rgba(0,0,0,0.05); /* Soft Default */
}

/* Stile base */
.copisteria-container {
    max-width: 800px;
    margin: 20px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: var(--copisteria-radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    border: 1px solid var(--copisteria-border);
    position: relative;
    font-size: var(--copisteria-text-size);
}

.copisteria-title {
    font-size: calc(var(--copisteria-text-size) * 1.5);
    font-weight: 800;
    color: #111827;
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
    letter-spacing: -0.5px;
}

/* Upload Area */
.copisteria-dropzone {
    border: 2px dashed #cbd5e1;
    border-radius: var(--copisteria-radius);
    text-align: center;
    background-color: var(--copisteria-bg-light);
    transition: all 0.3s ease;
    min-height: 140px;
}
.copisteria-upload-label {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 140px;
    padding: 20px;
    box-sizing: border-box;
}
.copisteria-dropzone:hover, .copisteria-dropzone.copisteria-dragover {
    background-color: #eef2ff;
    border-color: var(--copisteria-primary);
    transform: scale(1.01);
}

/* Lista File */
.copisteria-file-list-area { display: flex; flex-direction: column; gap: 20px; }
.copisteria-file-item {
    background-color: #fff;
    border: 1px solid var(--copisteria-border);
    border-radius: var(--copisteria-radius);
    padding: 25px;
    box-shadow: var(--copisteria-box-shadow);
    transition: transform 0.2s ease;
}
.copisteria-file-item:hover {
    border-color: #d1d5db;
}

.file-header {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid #f3f4f6; padding-bottom: 15px; margin-bottom: 20px;
}
.file-info .file-name { font-size: calc(var(--copisteria-text-size) * 1.1); font-weight: 700; color: #1f2937; }
.file-info .file-pages { font-size: calc(var(--copisteria-text-size) * 0.9); color: #6b7280; margin-top: 4px; display:block; }

/* Griglia Opzioni */
.file-visual-options-container {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.copisteria-option-group label {
    display: block; font-size: calc(var(--copisteria-text-size) * 0.85); 
    font-weight: var(--copisteria-text-weight); color: #4b5563;
    margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.5px;
}
.copisteria-option-group.full-width { grid-column: span 2; } 

/* Bottoni Visuali */
.copisteria-visual-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 12px;
}
.copisteria-visual-opt {
    border: 1px solid var(--copisteria-border);
    border-radius: var(--copisteria-radius);
    padding: 15px;
    text-align: center; cursor: pointer; background: #fff;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 100px;
}
.copisteria-visual-opt:hover { 
    border-color: var(--copisteria-primary); 
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.copisteria-visual-opt.selected {
    border-color: var(--copisteria-primary);
    background-color: #eff6ff;
    color: var(--copisteria-primary);
    box-shadow: 0 0 0 2px var(--copisteria-primary) inset; /* Bordo interno più pulito */
}

/* Icone Dinamiche */
.visual-icon {
    width: var(--copisteria-icon-size); height: var(--copisteria-icon-size);
    object-fit: contain; margin-bottom: 10px;
}
.visual-icon-placeholder {
    width: var(--copisteria-icon-size); height: var(--copisteria-icon-size);
    background: #e0e7ff; color: var(--copisteria-primary);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: calc(var(--copisteria-icon-size) * 0.5); margin-bottom: 10px;
}
.visual-label { font-size: calc(var(--copisteria-text-size) * 0.9); font-weight: 600; line-height: 1.2; }
.visual-price { font-size: calc(var(--copisteria-text-size) * 0.75); color: #059669; font-weight: 700; margin-top: 5px; }

/* SELETTORE COPIE + / - */
.copies-wrapper { margin-top: 25px; border-top: 1px solid #f3f4f6; padding-top: 20px; }
.qty-selector {
    display: flex; align-items: center; gap: 10px; max-width: 220px;
}
.qty-btn {
    width: 45px; height: 45px;
    border: 1px solid var(--copisteria-border);
    background: #fff; border-radius: var(--copisteria-radius);
    font-size: 24px; font-weight: 400; color: #374151;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s; user-select: none;
}
.qty-btn:hover { border-color: var(--copisteria-primary); color: var(--copisteria-primary); background-color: #f9fafb; }
.qty-btn:active { background: #f3f4f6; transform: scale(0.95); }

.file-option-input.qty-input {
    width: 70px; height: 45px; text-align: center;
    border: 1px solid var(--copisteria-border);
    border-radius: var(--copisteria-radius);
    font-size: 18px; font-weight: 700;
    -moz-appearance: textfield; 
}
.file-option-input.qty-input::-webkit-outer-spin-button,
.file-option-input.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none; margin: 0;
}

/* Pagamento e Bottoni */
.copisteria-button-primary {
    background-color: var(--copisteria-primary);
    color: #ffffff; width: 100%; padding: 16px 24px;
    font-size: 18px; font-weight: 700; border: none; border-radius: var(--copisteria-radius);
    cursor: pointer; text-decoration: none; text-align: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.copisteria-button-primary:hover { filter: brightness(90%); transform: translateY(-1px); box-shadow: 0 6px 12px rgba(0,0,0,0.15); }
.copisteria-button-primary:active { transform: translateY(1px); }
.copisteria-button-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.copisteria-payment-label {
    display: flex; align-items: center; gap: 15px; padding: 18px;
    border: 2px solid #e5e7eb; border-radius: var(--copisteria-radius);
    cursor: pointer; transition: all 0.2s ease;
}
.copisteria-payment-label:hover { border-color: var(--copisteria-primary); background-color: #f9fafb; }
.copisteria-payment-label:has(input:checked) {
    border-color: var(--copisteria-primary); background-color: #f0fdf4; 
}
.copisteria-payment-label input[type="radio"] { width: 20px; height: 20px; accent-color: var(--copisteria-primary); }
.copisteria-payment-label input[type="radio"]:checked + span {
    font-weight: 700; color: var(--copisteria-primary);
}

/* Responsive */
@media (max-width: 600px) {
    .file-visual-options-container { grid-template-columns: 1fr; }
    .copisteria-option-group.full-width { grid-column: span 1; }
    .copisteria-visual-grid { grid-template-columns: 1fr 1fr; }
    .file-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .remove-file-btn { align-self: flex-end; margin-top: -30px; }
    .copisteria-container { padding: 15px; }
}

/* Utility classes */
.copisteria-button-danger { background-color: #fee2e2; color: #b91c1c; padding: 8px 12px; border:none; border-radius: 6px; cursor: pointer; }
.manual-page-warning { display:flex; flex-direction:column; align-items:flex-end; }
.copisteria-summary-area { margin-top: 30px; padding: 25px; background-color: #f9fafb; border-radius: var(--copisteria-radius); border: 1px solid #e5e7eb; }
.copisteria-error { background-color: #fef2f2; color: #b91c1c; padding: 12px; border-radius: var(--copisteria-radius); margin: 15px 0; font-weight: 500; }
#copisteria-loading-overlay { display: none; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.9); z-index: 100; border-radius: var(--copisteria-radius); backdrop-filter: blur(2px); }