/**
 * Shopvision - Frontend Styles
 * Clean, minimal SaaS aesthetic
 */

/* CSS Custom Properties - defaults, overridden by dynamic styles */
:root {
    --mrv-accent: #2563eb;
    --mrv-accent-light: rgba(37, 99, 235, 0.08);
    --mrv-btn-text: #2563eb;
    --mrv-hover-bg: #2563eb;
    --mrv-hover-text: #ffffff;
    --mrv-hover-bg-light: rgba(37, 99, 235, 0.1);
    --mrv-btn-radius: 8px;
    --mrv-text: #1f2937;
    --mrv-text-muted: #6b7280;
    --mrv-border: #e5e7eb;
    --mrv-bg: #ffffff;
    --mrv-bg-subtle: #f9fafb;
    --mrv-overlay: rgba(0, 0, 0, 0.5);
    --mrv-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --mrv-radius: 12px;
    --mrv-radius-sm: 8px;
    --mrv-transition: 200ms ease;
}

/* Visualizer Button - Base */
button.mrv-visualizer-button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    margin-top: 12px !important;
    padding: 12px 20px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 200ms ease !important;
    width: 100% !important;
    height: auto !important;
    line-height: 1.5 !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    box-shadow: none !important;
    border-radius: var(--mrv-btn-radius) !important;
}

/* Button Style: Outline (default) */
button.mrv-visualizer-button.mrv-btn-outline {
    background: var(--mrv-bg) !important;
    color: var(--mrv-btn-text) !important;
    border: 1px solid var(--mrv-accent) !important;
}

button.mrv-visualizer-button.mrv-btn-outline:hover {
    background: var(--mrv-hover-bg) !important;
    color: var(--mrv-hover-text) !important;
    border-color: var(--mrv-hover-bg) !important;
}

/* Button Style: Filled */
button.mrv-visualizer-button.mrv-btn-filled {
    background: var(--mrv-accent) !important;
    color: #ffffff !important;
    border: 1px solid var(--mrv-accent) !important;
}

button.mrv-visualizer-button.mrv-btn-filled:hover {
    background: var(--mrv-hover-bg) !important;
    color: var(--mrv-hover-text) !important;
    border-color: var(--mrv-hover-bg) !important;
}

/* Button Style: Ghost */
button.mrv-visualizer-button.mrv-btn-ghost {
    background: transparent !important;
    color: var(--mrv-btn-text) !important;
    border: 1px solid transparent !important;
}

button.mrv-visualizer-button.mrv-btn-ghost:hover {
    background: var(--mrv-hover-bg-light) !important;
    color: var(--mrv-hover-text) !important;
}

button.mrv-visualizer-button .mrv-icon {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

button.mrv-visualizer-button svg {
    width: 18px !important;
    height: 18px !important;
}

/* Button Badge (Multi-product mode) - inline next to text */
button.mrv-visualizer-button .mrv-btn-badge {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 20px !important;
    height: 20px !important;
    padding: 0 6px !important;
    margin-left: 8px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    line-height: 1 !important;
    color: #fff !important;
    background: var(--mrv-accent) !important;
    border-radius: 10px !important;
}

button.mrv-visualizer-button.mrv-in-cart .mrv-btn-badge {
    background: #10b981 !important;
}

/* Modal */
#mrv-modal.mrv-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 999999 !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 20px !important;
    margin: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: transparent !important;
    border: none !important;
    box-sizing: border-box !important;
}

#mrv-modal.mrv-modal[aria-hidden="false"] {
    display: flex !important;
}

#mrv-modal .mrv-modal-overlay {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(4px) !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

#mrv-modal .mrv-modal-container {
    position: relative !important;
    width: 100% !important;
    max-width: 560px !important;
    max-height: 90vh !important;
    background: #ffffff !important;
    border-radius: 12px !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
    overflow: hidden !important;
    z-index: 1 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

@keyframes mrv-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.mrv-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mrv-bg-subtle);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: background var(--mrv-transition);
}

.mrv-modal-close:hover {
    background: var(--mrv-border);
}

.mrv-modal-close svg {
    width: 18px;
    height: 18px;
    color: var(--mrv-text-muted);
}

.mrv-modal-content {
    padding: 40px;
}

/* States */
.mrv-state {
    display: block;
}

.mrv-state[hidden] {
    display: none;
}

/* Upload State */
.mrv-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 48px 32px;
    border: 2px dashed var(--mrv-border);
    border-radius: var(--mrv-radius);
    background: var(--mrv-bg-subtle);
    cursor: pointer;
    transition: all var(--mrv-transition);
}

.mrv-upload-zone:hover,
.mrv-upload-zone.mrv-dragover {
    border-color: var(--mrv-accent);
    background: var(--mrv-accent-light);
}

.mrv-upload-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    color: var(--mrv-text-muted);
}

.mrv-upload-zone:hover .mrv-upload-icon,
.mrv-upload-zone.mrv-dragover .mrv-upload-icon {
    color: var(--mrv-accent);
}

.mrv-upload-icon svg {
    width: 100%;
    height: 100%;
}

.mrv-upload-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--mrv-text);
    margin: 0 0 4px;
}

.mrv-upload-subtext {
    font-size: 14px;
    color: var(--mrv-text-muted);
    margin: 0 0 12px;
}

.mrv-upload-hint {
    font-size: 12px;
    color: var(--mrv-text-muted);
    margin: 0;
    opacity: 0.7;
}

/* Processing State */
.mrv-processing-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 48px 32px;
    text-align: center;
}

.mrv-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--mrv-border);
    border-top-color: var(--mrv-accent);
    border-radius: 50%;
    animation: mrv-spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes mrv-spin {
    to { transform: rotate(360deg); }
}

.mrv-processing-text {
    font-size: 16px;
    color: var(--mrv-text);
    margin: 0 0 24px;
}

.mrv-progress-bar {
    width: 100%;
    max-width: 280px;
    height: 6px;
    background: var(--mrv-border);
    border-radius: 3px;
    overflow: hidden;
}

.mrv-progress-fill {
    height: 100%;
    background: var(--mrv-accent);
    border-radius: 3px;
    transition: width 500ms ease;
    width: 0%;
}

/* Result State */
.mrv-result-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mrv-result-image-wrapper {
    width: 100%;
    margin-bottom: 24px;
    border-radius: var(--mrv-radius-sm);
    overflow: hidden;
    background: var(--mrv-bg-subtle);
}

.mrv-result-image-wrapper img {
    display: block;
    width: 100%;
    height: auto;
}

.mrv-result-actions {
    display: flex;
    gap: 12px;
    width: 100%;
}

/* Buttons */
.mrv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--mrv-radius-sm);
    cursor: pointer;
    transition: all var(--mrv-transition);
    border: none;
}

.mrv-btn svg {
    width: 18px;
    height: 18px;
}

.mrv-btn-primary {
    background: var(--mrv-accent);
    color: white;
}

.mrv-btn-primary:hover {
    background: var(--mrv-accent-hover);
    color: white;
}

.mrv-btn-secondary {
    background: var(--mrv-bg-subtle);
    color: var(--mrv-text);
    border: 1px solid var(--mrv-border);
}

.mrv-btn-secondary:hover {
    background: var(--mrv-border);
}

/* Error State */
.mrv-error-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 48px 32px;
    text-align: center;
}

.mrv-error-icon {
    width: 56px;
    height: 56px;
    color: #ef4444;
    margin-bottom: 16px;
}

.mrv-error-icon svg {
    width: 100%;
    height: 100%;
}

.mrv-error-text {
    font-size: 16px;
    color: var(--mrv-text);
    margin: 0 0 24px;
}

.mrv-error-content .mrv-btn {
    min-width: 140px;
    flex: 0;
}

/* ========================================
   EXAMPLES DECK - Stacked Cards Gallery
   ======================================== */

.mrv-examples-deck {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
    height: 182px; /* 170px + 6px border top + 6px border bottom */
    position: relative;
}

.mrv-deck-card {
    position: absolute;
    width: 128px;
    height: 170px;
    border-radius: 12px;
    border: 6px solid #fff;
    background-size: cover;
    background-position: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s ease;
}

/* Default stacked positions */
.mrv-deck-card:nth-child(1) {
    transform: rotate(-6deg) translateX(-35px);
    z-index: 1;
}

.mrv-deck-card:nth-child(2) {
    transform: rotate(0deg) translateX(0);
    z-index: 2;
}

.mrv-deck-card:nth-child(3) {
    transform: rotate(6deg) translateX(35px);
    z-index: 1;
}

/* Hover effect: fan out - butter smooth */
.mrv-examples-deck:hover .mrv-deck-card:nth-child(1) {
    transform: rotate(-12deg) translateX(-65px) translateY(-8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.mrv-examples-deck:hover .mrv-deck-card:nth-child(2) {
    transform: rotate(0deg) translateY(-12px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.14);
}

.mrv-examples-deck:hover .mrv-deck-card:nth-child(3) {
    transform: rotate(12deg) translateX(65px) translateY(-8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

/* Responsive */
@media (max-width: 640px) {
    .mrv-modal-content {
        padding: 32px 24px;
    }

    .mrv-upload-zone {
        padding: 32px 20px;
    }

    .mrv-result-actions {
        flex-direction: column;
    }

    /* Smaller deck on mobile */
    .mrv-examples-deck {
        height: 152px;
    }

    .mrv-deck-card {
        width: 100px;
        height: 140px;
        border-width: 5px;
    }

    .mrv-deck-card:nth-child(1) {
        transform: rotate(-6deg) translateX(-28px);
    }

    .mrv-deck-card:nth-child(3) {
        transform: rotate(6deg) translateX(28px);
    }

    .mrv-examples-deck:hover .mrv-deck-card:nth-child(1) {
        transform: rotate(-10deg) translateX(-45px) translateY(-6px);
    }

    .mrv-examples-deck:hover .mrv-deck-card:nth-child(3) {
        transform: rotate(10deg) translateX(45px) translateY(-6px);
    }
}