/**
 * Image Composition Component Styles
 *
 * Overlapping images with absolute positioning, rounded corners, and shadows.
 * Responsive design with mobile stacking.
 *
 * @package AITSC_Pro_Theme
 * @subpackage Components
 * @since 4.0.0
 */

/* ============================================================
   IMAGE COMPOSITION - BASE STYLES
   ============================================================ */

.aitsc-image-composition {
    width: 100%;
    padding: var(--space-12, 3rem) var(--space-4, 1rem);
    overflow: hidden;
}

.aitsc-image-composition__container {
    position: relative;
    max-width: var(--aitsc-container-width, 1400px);
    margin: 0 auto;
    height: var(--composition-height, 500px);
}

/* ============================================================
   IMAGE ITEMS - BASE
   ============================================================ */

.aitsc-image-composition__item {
    position: absolute;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--aitsc-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1));
    transition: transform var(--aitsc-transition-normal, 0.3s),
                box-shadow var(--aitsc-transition-normal, 0.3s);
    background-color: var(--aitsc-bg-tertiary, #F1F5F9);
}

.aitsc-image-composition__item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--aitsc-shadow-xl, 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1));
    z-index: 10;
}

.aitsc-image-composition__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================================
   OVERLAP LAYOUT - DEFAULT POSITIONING
   ============================================================ */

/* Desktop overlap positioning for 4 images */
.aitsc-image-composition--overlap .aitsc-image-composition__item--primary {
    width: 45%;
    height: 60%;
    top: 5%;
    left: 5%;
    z-index: 4;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--secondary {
    width: 40%;
    height: 50%;
    top: 15%;
    right: 8%;
    z-index: 3;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--tertiary {
    width: 35%;
    height: 45%;
    bottom: 10%;
    left: 15%;
    z-index: 2;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--accent {
    width: 30%;
    height: 40%;
    bottom: 5%;
    right: 5%;
    z-index: 1;
}

/* Generic positioning fallback for custom positions */
.aitsc-image-composition--overlap .aitsc-image-composition__item--position-1 {
    width: 50%;
    height: 65%;
    top: 10%;
    left: 5%;
    z-index: 4;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--position-2 {
    width: 45%;
    height: 55%;
    top: 20%;
    right: 10%;
    z-index: 3;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--position-3 {
    width: 40%;
    height: 50%;
    bottom: 15%;
    left: 20%;
    z-index: 2;
}

.aitsc-image-composition--overlap .aitsc-image-composition__item--position-4 {
    width: 35%;
    height: 45%;
    bottom: 5%;
    right: 15%;
    z-index: 1;
}

/* ============================================================
   GRID LAYOUT (Alternative)
   ============================================================ */

.aitsc-image-composition--grid .aitsc-image-composition__container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-4, 1rem);
}

.aitsc-image-composition--grid .aitsc-image-composition__item {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ============================================================
   STACK LAYOUT (Alternative)
   ============================================================ */

.aitsc-image-composition--stack .aitsc-image-composition__container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6, 1.5rem);
    height: auto;
}

.aitsc-image-composition--stack .aitsc-image-composition__item {
    position: relative;
    width: 100%;
    height: 300px;
}

/* ============================================================
   PLACEHOLDER STYLES
   ============================================================ */

.aitsc-image-composition__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aitsc-bg-secondary, #F8FAFC) 0%, var(--aitsc-bg-tertiary, #F1F5F9) 100%);
    border: 2px dashed var(--aitsc-border, #E2E8F0);
}

.aitsc-image-composition__placeholder-text {
    font-family: var(--aitsc-font-main, 'Manrope', sans-serif);
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: 500;
    color: var(--aitsc-text-muted, #64748B);
    text-align: center;
    padding: var(--space-4, 1rem);
    max-width: 80%;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Mobile: 320px - 767px - Stack all images */
@media (max-width: 767px) {
    .aitsc-image-composition {
        padding: var(--space-8, 2rem) var(--space-4, 1rem);
    }

    .aitsc-image-composition__container {
        display: flex;
        flex-direction: column;
        gap: var(--space-4, 1rem);
        height: auto !important;
    }

    .aitsc-image-composition__item {
        position: relative !important;
        width: 100% !important;
        height: 250px !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        border-radius: 8px;
    }

    .aitsc-image-composition__item:hover {
        transform: scale(1.02);
    }
}

/* Tablet: 768px - 1023px - Adjust overlap positioning */
@media (min-width: 768px) and (max-width: 1023px) {
    .aitsc-image-composition {
        padding: var(--space-10, 2.5rem) var(--space-6, 1.5rem);
    }

    .aitsc-image-composition__container {
        height: 400px;
    }

    /* Simplified 2-column overlap for tablets */
    .aitsc-image-composition--overlap .aitsc-image-composition__item--primary {
        width: 55%;
        height: 70%;
        top: 5%;
        left: 5%;
    }

    .aitsc-image-composition--overlap .aitsc-image-composition__item--secondary {
        width: 50%;
        height: 60%;
        top: 25%;
        right: 5%;
    }

    .aitsc-image-composition--overlap .aitsc-image-composition__item--tertiary {
        width: 45%;
        height: 50%;
        bottom: 5%;
        left: 10%;
    }

    .aitsc-image-composition--overlap .aitsc-image-composition__item--accent {
        display: none; /* Hide 4th image on tablet */
    }
}

/* Desktop: 1024px - 1439px */
@media (min-width: 1024px) and (max-width: 1439px) {
    .aitsc-image-composition__container {
        height: 500px;
    }

    .aitsc-image-composition__item {
        border-radius: 14px;
    }
}

/* Large Desktop: 1440px+ */
@media (min-width: 1440px) {
    .aitsc-image-composition__container {
        height: 600px;
    }

    .aitsc-image-composition__item {
        border-radius: 16px;
    }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .aitsc-image-composition__item {
        transition: none !important;
    }

    .aitsc-image-composition__item:hover {
        transform: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .aitsc-image-composition__item {
        border: 2px solid var(--aitsc-border, #E2E8F0);
        box-shadow: none;
    }

    .aitsc-image-composition__placeholder {
        border-width: 3px;
    }
}

/* Focus styles for keyboard navigation */
.aitsc-image-composition__item:focus-within {
    outline: 3px solid var(--aitsc-border-focus, #005cb2);
    outline-offset: 4px;
}

/* Print styles */
@media print {
    .aitsc-image-composition__container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4, 1rem);
        height: auto !important;
    }

    .aitsc-image-composition__item {
        position: relative !important;
        width: 100% !important;
        height: 300px !important;
        box-shadow: none;
        page-break-inside: avoid;
    }
}