/* CSS Variables & Reset - Scoped to .tdpe-app-container */
.tdpe-app-container {
    --bg-dark: #0f172a;
    --bg-panel: rgba(30, 41, 59, 0.7);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.1);
    --glass-border: rgba(255, 255, 255, 0.05);
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);

    /* Reset basics within container */
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 20%);
    padding: 1.5rem;
    border-radius: 1rem;
    position: relative;
    max-width: 1200px;
    margin: 2rem auto;
}

.tdpe-app-container * {
    box-sizing: border-box;
}

/* Header */
.tdpe-app-container header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
}

.tdpe-app-container .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    /* Ensure text visible on dark bg */
}

.tdpe-app-container .logo-icon {
    color: var(--primary);
}

.tdpe-app-container .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Main Layout */
.tdpe-app-container main {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
}

/* Viewer Section */
.tdpe-app-container .viewer-section {
    position: relative;
    background: #020617;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.5);
    min-height: 500px;
}

.tdpe-app-container .viewer-container {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}

.tdpe-app-container .upload-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10;
    transition: opacity 0.3s;
    cursor: pointer;
}

.tdpe-app-container .upload-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.tdpe-app-container .upload-content {
    text-align: center;
    border: 2px dashed var(--border);
    padding: 3rem;
    border-radius: 1.5rem;
    transition: all 0.2s;
    background: rgba(30, 41, 59, 0.4);
    color: var(--text-main);
}

.tdpe-app-container .upload-content:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.tdpe-app-container .upload-content h3 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
    color: white;
}

.tdpe-app-container .upload-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.tdpe-app-container .viewer-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    background: rgba(15, 23, 42, 0.8);
    padding: 0.5rem;
    border-radius: 99px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    z-index: 20;
}

.tdpe-app-container .control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    padding: 0;
}

.tdpe-app-container .control-btn:hover {
    background: var(--primary);
}

.tdpe-app-container .control-btn.remove-btn:hover {
    background: #ef4444;
    color: white !important;
}

/* Quote Section */
.tdpe-app-container .quote-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tdpe-app-container .panel {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    backdrop-filter: blur(20px);
}

.tdpe-app-container .panel h2,
.tdpe-app-container .panel h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 1.25rem 0;
    color: white;
}

/* Controls */
.tdpe-app-container .control-group {
    margin-bottom: 1.5rem;
}

.tdpe-app-container .control-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.tdpe-app-container select {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: 0.75rem;
    cursor: pointer;
    outline: none;
    font-size: 0.95rem;
}

.tdpe-app-container input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    appearance: none;
    outline: none;
}

.tdpe-app-container input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

/* Summary Panel */
.tdpe-app-container .cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.tdpe-app-container .cost-breakdown div {
    display: flex;
    justify-content: space-between;
}

.tdpe-app-container .cost-breakdown span {
    color: white;
    font-weight: 500;
}

.tdpe-app-container .total-price {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.tdpe-app-container .currency {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 0.5rem;
    color: var(--text-muted);
}

.tdpe-app-container .price-value {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tdpe-app-container .order-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 0.75rem;
    background: var(--accent-gradient);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tdpe-app-container .order-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Modal */
#order-modal.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 900px) {
    .tdpe-app-container main {
        grid-template-columns: 1fr;
    }
}