/* Advanced Image Grid & Collage Maker - Professional Stylesheet */
:root {
    --wpicm-bg-light: #f5f5f7;
    --wpicm-bg-card: #ffffff;
    --wpicm-border-color: #e5e5ea;
    --wpicm-header-bg: #e5e5ea;
    --wpicm-text-dark: #1c1c1e;
    --wpicm-text-muted: #8e8e93;
    --wpicm-neon-blue: #00e5ff;
    --wpicm-neon-hover: #00b8d4;
    --wpicm-danger: #ff3b30;
    --wpicm-danger-hover: #e0241b;
}

.wpicm-container {
    box-sizing: border-box;
    background-color: var(--wpicm-bg-light);
    color: var(--wpicm-text-dark);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    border-radius: 14px;
    border: 1px solid var(--wpicm-border-color);
    overflow: hidden;
    max-width: 1200px;
    width: 100%;
    margin: 30px auto;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.wpicm-container * {
    box-sizing: border-box;
}

/* Fullscreen Mode Engine */
.wpicm-container.wpicm-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    z-index: 9999999 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    display: flex;
    flex-direction: column;
}

.wpicm-container.wpicm-fullscreen .wpicm-app-body {
    flex: 1;
    height: calc(100vh - 60px);
}

/* Header Bar Styling */
.wpicm-header-bar {
    background-color: var(--wpicm-header-bg);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #d1d1d6;
    height: 60px;
}

.wpicm-header-title {
    color: var(--wpicm-text-dark) !important;
    margin: 0 !important;
    font-size: 1.3rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.5px;
}

.wpicm-fullscreen-btn {
    background: transparent;
    border: 1px solid var(--wpicm-text-dark);
    color: var(--wpicm-text-dark);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s ease;
}

.wpicm-fullscreen-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* App Core Interface Structure */
.wpicm-app-body {
    display: grid;
    grid-template-columns: 340px 1fr;
    background-color: var(--wpicm-bg-light);
}

@media (max-width: 820px) {
    .wpicm-app-body {
        grid-template-columns: 1fr;
    }
}

/* Sidebar Controls Panel */
.wpicm-controls-panel {
    padding: 24px;
    background-color: var(--wpicm-bg-card);
    border-right: 1px solid var(--wpicm-border-color);
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
}

/* Modern High Contrast Drag & Dropzone Layout */
.wpicm-dropzone {
    border: 2px dashed var(--wpicm-neon-blue);
    background-color: #fafafa;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.2s ease;
}

.wpicm-dropzone.dragover {
    background-color: #e6fdff;
    border-color: var(--wpicm-neon-hover);
    transform: scale(0.98);
}

.wpicm-dropzone-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.wpicm-upload-icon {
    font-size: 2rem;
}

.wpicm-dropzone-text {
    margin: 4px 0 !important;
    font-size: 0.9rem;
    color: #48484a;
}

.wpicm-browse-btn {
    background-color: var(--wpicm-text-dark);
    color: #ffffff;
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 500;
    margin-top: 4px;
    transition: opacity 0.2s;
}

.wpicm-browse-btn:hover {
    opacity: 0.9;
}

/* Dynamic Status Box Layout */
.wpicm-status-box {
    background-color: #f1f1f4;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #48484a;
    border-left: 4px solid var(--wpicm-text-dark);
}

/* Layout Management System */
.wpicm-section-label {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    margin: 0 0 12px 0 !important;
    color: var(--wpicm-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wpicm-layouts-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.wpicm-layout-item {
    background: #f5f5f7;
    border: 2px solid var(--wpicm-border-color);
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.wpicm-layout-item:hover {
    border-color: var(--wpicm-neon-blue);
}

.wpicm-layout-item.active {
    border-color: var(--wpicm-text-dark);
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.wpicm-layout-icon-box {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
}

/* Action Trigger Elements (Light Neon Blue Buttons Specified) */
.wpicm-btn-action-primary {
    background-color: var(--wpicm-neon-blue) !important;
    color: var(--wpicm-text-dark) !important;
    border: none !important;
    padding: 14px 20px !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
    cursor: pointer !important;
    width: 100% !important;
    transition: all 0.2s ease-in-out !important;
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.3) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wpicm-btn-action-primary:hover {
    background-color: var(--wpicm-neon-hover) !important;
    box-shadow: 0 6px 16px rgba(0, 229, 255, 0.5) !important;
    transform: translateY(-1px);
}

.wpicm-btn-action-danger {
    background: transparent !important;
    border: 1px solid var(--wpicm-danger) !important;
    color: var(--wpicm-danger) !important;
    padding: 8px 16px !important;
    border-radius: 8px !important;
    font-weight: 500 !important;
    font-size: 0.85rem !important;
    cursor: pointer !important;
    width: 100% !important;
    margin-top: 12px !important;
    transition: all 0.2s ease !important;
}

.wpicm-btn-action-danger:hover {
    background-color: #fff5f5 !important;
    border-color: var(--wpicm-danger-hover) !important;
    color: var(--wpicm-danger-hover) !important;
}

.wpicm-action-footer {
    margin-top: auto;
}

/* Preview Canvas System */
.wpicm-preview-panel {
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--wpicm-bg-light);
    overflow: hidden;
}

.wpicm-canvas-frame {
    width: 100%;
    max-width: 550px;
    aspect-ratio: 1;
    background-color: var(--wpicm-bg-card);
    border-radius: 12px;
    border: 1px solid var(--wpicm-border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.wpicm-empty-state {
    text-align: center;
    color: var(--wpicm-text-muted);
    font-size: 0.95rem;
}

.wpicm-pulse-circle {
    width: 50px;
    height: 50px;
    background-color: #e5e5ea;
    border-radius: 50%;
    margin: 0 auto 15px auto;
    animation: wpicmPulse 2s infinite ease-in-out;
}

@keyframes wpicmPulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

/* Live Grid Templates */
.wpicm-live-grid {
    width: 100%;
    height: 100%;
    display: grid;
    gap: 8px;
    padding: 8px;
    background-color: #ffffff;
}

.wpicm-grid-block {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background-color: #f5f5f7;
    border-radius: 4px;
}

.wpicm-grid-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

/* Core Pre-coded Layout Profiles Mapping */
/* 2 Images */
.wpicm-ly-2-0 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
.wpicm-ly-2-1 { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }

/* 3 Images */
.wpicm-ly-3-0 { grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr; }
.wpicm-ly-3-1 { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.wpicm-ly-3-1 .wpicm-grid-block:nth-child(1) { grid-row: span 2; }
.wpicm-ly-3-2 { grid-template-rows: 2fr 1fr; grid-template-columns: 1fr 1fr; }
.wpicm-ly-3-2 .wpicm-grid-block:nth-child(1) { grid-column: span 2; }

/* 4 Images */
.wpicm-ly-4-0 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.wpicm-ly-4-1 { grid-template-columns: 3fr 1fr; grid-template-rows: repeat(3, 1fr); }
.wpicm-ly-4-1 .wpicm-grid-block:nth-child(1) { grid-row: span 3; }

/* 5 Images */
.wpicm-ly-5-0 { grid-template-columns: repeat(6, 1fr); grid-template-rows: 1fr 1fr; }
.wpicm-ly-5-0 .wpicm-grid-block:nth-child(1) { grid-column: span 3; }
.wpicm-ly-5-0 .wpicm-grid-block:nth-child(2) { grid-column: span 3; }
.wpicm-ly-5-0 .wpicm-grid-block:nth-child(3) { grid-column: span 2; }
.wpicm-ly-5-0 .wpicm-grid-block:nth-child(4) { grid-column: span 2; }
.wpicm-ly-5-0 .wpicm-grid-block:nth-child(5) { grid-column: span 2; }

/* 6 Images */
.wpicm-ly-6-0 { grid-template-columns: repeat(3, 1fr); grid-template-rows: 1fr 1fr; }
.wpicm-ly-6-1 { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(3, 1fr); }