/* --- Global Styles --- */
:root {
    --background-color: #1a1a1a;
    --surface-color: #2c2c2c;
    --card-color: #353535;
    --primary-color: #ff9d00;
    --primary-hover-color: #e68d00;
    --text-color: #f0f0f0;
    --text-secondary-color: #b0b0b0;
    --border-color: #4a4a4a;
    --error-color: #ff4d4d;
    --success-color: #25D366; 
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
    margin: 0;
}

/* --- Main Layout --- */
.quote-container {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    border: 1px solid var(--border-color);
}

@media (max-width: 900px) {
    .quote-container {
        grid-template-columns: 1fr;
    }
}

.header-row {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.site-logo { width: 200px; height: 45px; object-fit: contain; }
h2 { margin: 0; color: #fff; text-align: center; }

/* --- Left Column: Settings --- */
.settings-column { display: flex; flex-direction: column; }
.sticky-settings { position: sticky; top: 20px; }

.form-group { margin-bottom: 20px; display: flex; flex-direction: column; }

label { 
    margin-bottom: 8px; 
    font-weight: 500; 
    color: var(--text-secondary-color); 
    font-size: 14px; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
}

/* --- COLOR PREVIEW DOT --- */
.color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid #777; 
    background-color: #000; 
    display: inline-block;
    transition: background-color 0.2s;
}

select {
    background-color: #3a3a3a;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px;
    border-radius: 6px;
    width: 100%;
}

#drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
#drop-zone.drag-over { border-color: var(--primary-color); background-color: #333; }
#drop-zone p { margin: 0; font-size: 14px; }
#drop-zone span { font-size: 11px; color: var(--text-secondary-color); }
#stl-file-input { display: none; }

.checkbox-group { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
input[type="checkbox"] { accent-color: var(--primary-color); width: 1.2em; height: 1.2em; cursor: pointer; }

#submit-button {
    background-color: var(--primary-color);
    color: #000;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}
#submit-button:disabled { background-color: #555; color: #888; cursor: not-allowed; }

/* Grand Total */
.grand-total-section {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--card-color);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
#grand-total-price { font-size: 22px; font-weight: bold; color: var(--primary-color); }

/* --- Right Column: Results --- */
.results-column { display: flex; flex-direction: column; gap: 20px; }
.results-column h3 { margin-top: 0; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }

#file-list-container { display: flex; flex-direction: column; gap: 15px; }
.empty-state { text-align: center; color: var(--text-secondary-color); padding: 40px; border: 1px dashed var(--border-color); border-radius: 8px; }

/* --- File Card Styles --- */
.file-card {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    position: relative;
    transition: box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.file-card.calculating { border-color: var(--primary-color); box-shadow: 0 0 10px rgba(255,157,0,0.1); }
.file-card.error { border-color: var(--error-color); }

.card-main-row {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 15px;
    align-items: start;
}

.canvas-container {
    width: 100px;
    height: 100px;
    background: #222;
    border-radius: 6px;
    overflow: hidden;
}

.card-info { display: flex; flex-direction: column; gap: 4px; }
.file-name { font-weight: 600; word-break: break-all; font-size: 14px; }
.file-details { font-size: 12px; color: var(--text-secondary-color); }
.price-container { margin-top: 4px; }
.unit-price { font-size: 11px; color: var(--text-secondary-color); display: block;}
.total-price { font-size: 16px; font-weight: bold; color: var(--success-color); }

/* --- REFERENCE NUMBER STYLING --- */
.ref-display-row {
    display: none; /* Hidden by default */
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    margin-bottom: 4px;
    font-size: 12px;
    background: #252525;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #444;
    width: fit-content;
}
.ref-display-row.visible { display: flex; }
.ref-label { color: #888; }
.ref-number {
    font-family: monospace;
    color: var(--primary-color);
    font-weight: bold;
    letter-spacing: 0.5px;
    user-select: all; 
}
.copy-ref-btn {
    background: none;
    border: none;
    color: var(--text-secondary-color);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    line-height: 1;
}
.copy-ref-btn:hover { color: #fff; }

.card-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.remove-btn {
    background: transparent; border: none; color: #666; font-size: 18px; cursor: pointer; padding: 0;
}
.remove-btn:hover { color: var(--error-color); }

.qty-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #222;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}
.qty-label { font-size: 11px; color: #aaa; }
.qty-input {
    width: 35px;
    background: transparent;
    border: none;
    color: #fff;
    font-weight: bold;
    text-align: center;
    font-size: 14px;
}
.qty-input:focus { outline: none; }

.custom-settings-toggle {
    font-size: 12px;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 5px;
    user-select: none;
}
.custom-settings-toggle input { accent-color: var(--primary-color); width: 14px; height: 14px; }

/* Custom Options Grid */
.custom-options-panel {
    display: none; 
    background: #252525;
    padding: 10px;
    border-radius: 6px;
    border: 1px dashed var(--border-color);
    margin-top: 5px;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 8px;
    align-items: end;
}
.custom-options-panel.active { display: grid; }

@media (max-width: 600px) {
    .custom-options-panel { grid-template-columns: 1fr 1fr; }
}

.mini-form-group { display: flex; flex-direction: column; }
.mini-form-group label { font-size: 10px; margin-bottom: 2px; display: flex; align-items: center; gap: 4px; }
.mini-select { 
    padding: 6px; font-size: 11px; background: #333; border-color: #555; border-radius: 4px; width: 100%;
}
.mini-checkbox { display: flex; align-items: center; gap: 5px; margin-bottom: 8px;}
.mini-checkbox label { font-size: 12px; margin: 0; cursor: pointer; }


.status-badge {
    display: inline-block; padding: 2px 6px; border-radius: 3px; font-size: 10px; font-weight: bold; text-transform: uppercase; width: fit-content; margin-bottom: 4px;
}
.status-pending { background: #444; color: #ccc; }
.status-processing { background: var(--primary-color); color: #000; animation: pulse 1s infinite; }
.status-done { background: var(--success-color); color: #000; }
.status-error { background: var(--error-color); color: #fff; }

@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }

/* --- WhatsApp Section --- */
#whatsapp-container {
    background-color: var(--card-color);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 10px;
}
.customer-inputs input {
    background-color: #2c2c2c;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px;
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
}
#whatsapp-button {
    background-color: var(--success-color);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#whatsapp-button:hover { background-color: #1ebc57; }

.disclaimer { grid-column: 1 / -1; font-size: 12px; color: var(--text-secondary-color); text-align: center; background: #222; padding: 10px; border-radius: 6px; }
.disclaimer a { color: var(--text-color); }