/* Image Viewer - Dark Nord HUD Style */

.image-viewer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 30, 46, 0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--t-fast) ease-out;
}

.image-viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Main image display */
.image-viewer-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    max-width: 95vw;
    margin: 0 auto;
}

.image-viewer-image {
    max-width: 80vw;
    max-height: 75vh;
    object-fit: contain;
    border: var(--bw) solid var(--accent);
    border-radius: var(--br);
    background: var(--bg-0);
    box-shadow: var(--shadow-accent);
    animation: imageSlideIn var(--t-med) ease-out;
}

@keyframes imageSlideIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Navigation arrows */
.image-viewer-nav {
    background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
    border: var(--bw) solid var(--accent-2);
    color: var(--accent-2);
    font-size: 28px;
    width: 44px;
    height: 44px;
    border-radius: var(--br);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--t-fast);
    font-weight: bold;
    line-height: 1;
    flex-shrink: 0;
}

.image-viewer-nav:hover {
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    border-color: var(--accent-3);
    color: var(--bg-0);
    box-shadow: var(--shadow-accent);
    transform: scale(1.05);
}

.image-viewer-nav:active {
    transform: scale(0.95);
}

.image-viewer-nav.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.image-viewer-prev {
    order: -1;
}

.image-viewer-next {
    order: 1;
}

/* Close button */
.image-viewer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
    border: var(--bw) solid var(--danger);
    color: var(--danger);
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: var(--br);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--t-fast);
    font-weight: bold;
    line-height: 1;
    z-index: 10;
}

.image-viewer-close:hover {
    background: linear-gradient(135deg, var(--danger), var(--danger-bright));
    border-color: var(--danger-bright);
    color: var(--bg-0);
    box-shadow: 0 0 8px rgba(224, 108, 117, 0.4);
    transform: scale(1.05);
}

.image-viewer-close:active {
    transform: scale(0.95);
}

/* Image counter */
.image-viewer-counter {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
    border: var(--bw) solid var(--accent);
    color: var(--text);
    padding: 6px 14px;
    border-radius: var(--br);
    font-family: var(--font-ui);
    font-size: var(--size-s);
    letter-spacing: var(--track-tight);
    font-weight: 600;
}

/* Photo info section */
.image-viewer-info {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
    border: var(--bw) solid var(--accent);
    border-radius: var(--br);
    padding: 12px 18px;
    max-width: 600px;
    width: 90%;
    box-shadow: var(--shadow-accent);
}

.image-viewer-meal-name {
    color: var(--accent-3);
    font-weight: 600;
    font-size: var(--size-m);
    margin-bottom: 6px;
    font-family: var(--font-ui);
    letter-spacing: var(--track-tight);
}

.image-viewer-caption {
    color: var(--text);
    margin-bottom: 8px;
    font-size: var(--size-s);
    line-height: 1.4;
}

.image-viewer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.image-viewer-author {
    color: var(--text-dim);
    font-size: var(--size-xs);
    letter-spacing: var(--track-tight);
}

.image-viewer-author strong {
    color: var(--accent-2);
    font-weight: 600;
}

/* Like button - match feed style exactly */
.image-viewer-like-btn {
    background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
    border: var(--bw) solid var(--green);
    color: var(--green-bright);
    padding: 6px 12px;
    border-radius: var(--br);
    cursor: pointer;
    transition: all var(--t-fast);
    font-size: var(--size-s);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-ui);
    letter-spacing: var(--track-tight);
}

.image-viewer-like-btn:hover {
    background: linear-gradient(135deg, var(--green), var(--green-bright));
    color: var(--bg-0);
    border-color: var(--green-bright);
    box-shadow: var(--shadow-green);
    transform: scale(1.05);
}

.image-viewer-like-btn:active {
    transform: scale(0.95);
}

.image-viewer-like-btn.liked {
    background: linear-gradient(135deg, var(--warm), var(--orange));
    color: var(--bg-0);
    border-color: var(--warm);
    box-shadow: var(--shadow-warm);
}

.image-viewer-like-btn.liked:hover {
    opacity: 0.9;
}

/* Keyboard hint */
.image-viewer-hint {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
    border: var(--bw) solid var(--accent);
    color: var(--text-dim);
    padding: 6px 10px;
    border-radius: var(--br);
    font-size: var(--size-xs);
    letter-spacing: var(--track-tight);
    opacity: 0.6;
}

/* Loading state */
.image-viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--accent);
    font-size: var(--size-l);
    font-weight: 600;
    letter-spacing: var(--track-wide);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .image-viewer-container {
        padding: 10px;
    }

    .image-viewer-main {
        gap: 10px;
    }

    .image-viewer-image {
        max-width: 70vw;
        max-height: 65vh;
    }

    .image-viewer-nav {
        width: 38px;
        height: 38px;
        font-size: 24px;
    }

    .image-viewer-close {
        top: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
        font-size: 20px;
    }

    .image-viewer-counter {
        top: 10px;
        font-size: 10px;
        padding: 5px 10px;
    }

    .image-viewer-info {
        bottom: 10px;
        padding: 10px 14px;
        width: 95%;
    }

    .image-viewer-meal-name {
        font-size: 11px;
    }

    .image-viewer-caption {
        font-size: 10px;
    }

    .image-viewer-hint {
        display: none;
    }
}

/* Touch feedback for mobile */
@media (hover: none) {
    .image-viewer-nav:active {
        transform: scale(0.9);
    }

    .image-viewer-close:active {
        transform: scale(0.9);
    }

    .image-viewer-like-btn:active {
        transform: scale(0.9);
    }
}