/* ============================================================
   Responsive Preview — Device Frames & Animations
   ============================================================ */

/* Smooth transition when switching devices */
.preview-frame-wrapper {
    transition: padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#previewFrame {
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-radius 0.3s ease,
                box-shadow 0.3s ease;
}

/* Desktop — full width, no frame */
.preview-frame-wrapper[data-device="desktop"] {
    padding: 0;
    background: transparent;
}
.preview-frame-wrapper[data-device="desktop"] #previewFrame {
    width: 100%;
    height: 100%;
    border-radius: 0;
    box-shadow: none;
}

/* Tablet — device frame */
.preview-frame-wrapper[data-device="tablet"] {
    padding: 20px;
    background: radial-gradient(ellipse at center, rgba(99,102,241,0.05) 0%, transparent 70%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
}
.preview-frame-wrapper[data-device="tablet"] #previewFrame {
    width: 768px;
    height: 1024px;
    max-width: calc(100% - 40px);
    border-radius: 24px;
    border: 3px solid rgba(255,255,255,0.1);
    box-shadow: 
        0 0 0 1px rgba(255,255,255,0.05),
        0 20px 60px rgba(0,0,0,0.4),
        inset 0 0 0 1px rgba(255,255,255,0.05);
}

/* Tablet Landscape */
.preview-frame-wrapper[data-device="tablet"].landscape #previewFrame {
    width: 1024px;
    height: 768px;
}

/* Mobile — phone frame */
.preview-frame-wrapper[data-device="mobile"] {
    padding: 30px;
    background: radial-gradient(ellipse at center, rgba(139,92,246,0.05) 0%, transparent 70%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
}
.preview-frame-wrapper[data-device="mobile"] #previewFrame {
    width: 375px;
    height: 812px;
    max-width: calc(100% - 60px);
    border-radius: 40px;
    border: 4px solid rgba(255,255,255,0.12);
    box-shadow: 
        0 0 0 1px rgba(255,255,255,0.05),
        0 25px 80px rgba(0,0,0,0.5),
        inset 0 0 0 1px rgba(255,255,255,0.05);
}

/* Mobile Landscape */
.preview-frame-wrapper[data-device="mobile"].landscape #previewFrame {
    width: 812px;
    height: 375px;
}

/* Phone notch indicator */
.preview-frame-wrapper[data-device="mobile"]::after {
    content: '';
    position: absolute;
    top: 38px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 5px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    z-index: 10;
    pointer-events: none;
}

/* Device size label */
.device-size-label {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    font-family: 'Fira Code', monospace;
    z-index: 10;
    pointer-events: none;
    transition: opacity 0.3s;
}

/* Rotation button */
.btn-rotate {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}
.btn-rotate:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.8);
}
.preview-frame-wrapper:not([data-device="desktop"]) ~ .btn-rotate,
.device-toolbar .btn-rotate {
    display: inline-flex !important;
}

/* Multi-device split view */
.preview-split-view {
    display: flex;
    gap: 20px;
    padding: 40px 20px 20px;
    height: 100%;
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
    background: var(--bg-primary);
}
.preview-split-view .split-device {
    flex-shrink: 0;
    border-radius: 16px;
    border: 2px solid rgba(255,255,255,0.08);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    overflow: hidden;
    position: relative;
    margin-top: 24px;
}
.preview-split-view .split-device.desktop-frame {
    width: 600px;
    height: 400px;
}
.preview-split-view .split-device.tablet-frame {
    width: 384px;
    height: 512px;
    border-radius: 20px;
}
.preview-split-view .split-device.mobile-frame {
    width: 187px;
    height: 406px;
    border-radius: 28px;
    border-width: 3px;
}
.preview-split-view .split-device iframe {
    width: var(--original-width);
    height: var(--original-height);
    transform: scale(var(--scale));
    transform-origin: 0 0;
    border: none;
}
.preview-split-view .split-label {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

/* ============================================================
   SITE PURCHASE CARD
   ============================================================ */
.site-purchase-card {
    background: linear-gradient(135deg, #0a1628 0%, #132040 50%, #0d1a30 100%);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 16px;
    padding: 24px;
    margin-top: 16px;
    box-shadow: 0 8px 32px rgba(0, 217, 255, 0.15), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: spcAppear 0.5s ease;
}
@keyframes spcAppear {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.spc-header { text-align: center; margin-bottom: 20px; }
.spc-title { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.spc-subtitle { font-size: 14px; color: #8892a6; }

.spc-pricing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.spc-pages, .spc-per-page, .spc-total {
    text-align: center;
    padding: 10px 16px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
}
.spc-pages-num, .spc-price, .spc-total-price {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: #fff;
}
.spc-total-price { color: #00ff94; }
.spc-pages-label, .spc-price-label, .spc-total-label {
    display: block;
    font-size: 11px;
    color: #6b7687;
    text-transform: uppercase;
    margin-top: 2px;
}
.spc-multiply, .spc-equals {
    font-size: 20px;
    color: #4a5568;
    font-weight: 700;
}

.spc-actions { text-align: center; margin-bottom: 12px; }
.spc-btn-buy {
    display: inline-block;
    background: linear-gradient(90deg, #00d9ff, #00ff94);
    color: #0a0f1c;
    font-weight: 800;
    font-size: 17px;
    padding: 14px 40px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    text-shadow: 0 0 1px rgba(0,0,0,0.2);
    transition: opacity 0.2s, transform 0.1s;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}
.spc-btn-buy:hover { opacity: 0.9; transform: scale(1.02); }
.spc-btn-buy:active { transform: scale(0.98); }
.spc-btn-buy:disabled { opacity: 0.5; cursor: wait; }

.spc-note {
    text-align: center;
    font-size: 12px;
    color: #6b7687;
}

.spc-paid {
    text-align: center;
    padding: 16px;
    font-size: 15px;
    color: #00ff94;
    font-weight: 600;
}

/* Locked buttons */
.spc-locked {
    opacity: 0.4 !important;
    pointer-events: none !important;
    position: relative;
}
.spc-locked::after {
    content: '🔒';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}