/* ============================================
   PanForge Design System - Creativity Wall
   Masonry gallery styles
   ============================================ */

/* ----------------------------------------
   Wall Hero
   ---------------------------------------- */
.wall-hero {
    background: var(--color-steel);
    padding: calc(var(--header-height) + var(--space-12)) var(--space-8) var(--space-12);
    text-align: center;
    position: relative;
}

.wall-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
}

.wall-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.wall-hero h1 {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
    margin-bottom: var(--space-2);
}

.wall-hero h1 span {
    color: var(--color-teal);
}

.wall-hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--color-ash);
    margin-bottom: var(--space-6);
}

.wall-hero-intro {
    color: var(--color-smoke);
    line-height: var(--leading-relaxed);
    max-width: 600px;
    margin: 0 auto;
}

/* ----------------------------------------
   Toolbar
   ---------------------------------------- */
.wall-toolbar {
    position: sticky;
    top: var(--header-height);
    z-index: calc(var(--z-header) - 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-8);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.creation-count {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wider);
    color: var(--color-ash);
    text-transform: uppercase;
}

.creation-count span {
    color: var(--color-teal);
    font-size: var(--text-lg);
}

.toolbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.filter-tabs {
    display: flex;
    gap: var(--space-1);
    background: var(--color-charcoal);
    padding: var(--space-1);
    border-radius: var(--radius-md);
}

.filter-tab {
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-ash);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    color: var(--color-paper);
}

.filter-tab.active {
    background: var(--color-teal);
    color: var(--color-bg-dark);
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.btn-add {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    cursor: pointer;
    position: relative;
    z-index: 10;
}

.btn-add svg {
    width: 18px;
    height: 18px;
    pointer-events: none;
}

/* ----------------------------------------
   Wall Container
   ---------------------------------------- */
.wall-container {
    min-height: 60vh;
    padding: var(--space-6) var(--space-8);
    background: var(--color-bg-dark);
}

/* ----------------------------------------
   Masonry Wall
   ---------------------------------------- */
.masonry-wall {
    column-count: 4;
    column-gap: var(--space-4);
}

.wall-card {
    break-inside: avoid;
    margin-bottom: var(--space-4);
    background: var(--color-charcoal);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.wall-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-teal);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.15);
}

/* Card sizes for visual variety */
.wall-card-small .card-image {
    aspect-ratio: 1;
}

.wall-card-medium .card-image {
    aspect-ratio: 4/3;
}

.wall-card-large .card-image {
    aspect-ratio: 3/4;
}

.card-image {
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.wall-card:hover .card-image img {
    transform: scale(1.05);
}

.image-count {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    color: var(--color-paper);
    backdrop-filter: blur(4px);
}

.image-count svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.card-content {
    padding: var(--space-4);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    letter-spacing: var(--tracking-wide);
    color: var(--color-paper);
    margin-bottom: var(--space-2);
    line-height: var(--leading-tight);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--color-ash);
}

.card-author {
    color: var(--color-teal);
}

/* ----------------------------------------
   Empty State
   ---------------------------------------- */
.wall-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) var(--space-8);
    text-align: center;
}

.empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-charcoal);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.empty-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-stone);
}

.wall-empty h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-paper);
    margin-bottom: var(--space-2);
}

.wall-empty p {
    color: var(--color-ash);
    margin-bottom: 0;
    max-width: 400px;
}

/* ----------------------------------------
   View Modal
   ---------------------------------------- */
.modal-view {
    max-width: 1100px;
    width: 95%;
    max-height: 90vh;
    padding: 0;
    overflow: hidden;
}

.view-modal-content {
    display: grid;
    grid-template-columns: 1fr 360px;
    height: 100%;
    max-height: 90vh;
}

/* Gallery Section */
.view-gallery {
    background: #000;
    display: flex;
    flex-direction: column;
    position: relative;
}

.gallery-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 400px;
}

.gallery-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-paper);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.gallery-nav:hover {
    background: var(--color-teal);
    color: var(--color-bg-dark);
}

.gallery-nav svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.gallery-prev {
    left: var(--space-4);
}

.gallery-next {
    right: var(--space-4);
}

.gallery-counter {
    position: absolute;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-paper);
}

.gallery-thumbs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4);
    background: rgba(0, 0, 0, 0.5);
    overflow-x: auto;
    justify-content: center;
}

.thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    border: 2px solid transparent;
}

.thumb:hover {
    opacity: 0.8;
}

.thumb.active {
    opacity: 1;
    border-color: var(--color-teal);
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Info Sidebar */
.view-info {
    background: var(--color-charcoal);
    padding: var(--space-6);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.view-header h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    line-height: var(--leading-tight);
}

.view-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.view-author,
.view-date {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-ash);
}

.view-author svg,
.view-date svg {
    width: 16px;
    height: 16px;
    fill: var(--color-stone);
}

.view-author span {
    color: var(--color-teal);
}

.view-description {
    color: var(--color-smoke);
    line-height: var(--leading-relaxed);
}

.view-description p {
    margin-bottom: var(--space-3);
}

.view-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    background: var(--color-slate);
    border-radius: var(--radius-sm);
}

.detail-label {
    font-size: var(--text-sm);
    color: var(--color-ash);
}

.detail-value {
    font-weight: 600;
    color: var(--color-paper);
}

.view-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-teal-dim);
    border: 1px solid var(--color-teal);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-teal);
}

.view-license {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-teal-dim);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--color-smoke);
    margin-top: auto;
}

.view-license svg {
    width: 20px;
    height: 20px;
    fill: var(--color-teal);
    flex-shrink: 0;
}

.view-license a {
    color: var(--color-teal);
}

.view-actions {
    display: flex;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.view-actions .btn {
    flex: 1;
}

/* ----------------------------------------
   Add/Edit Modal
   ---------------------------------------- */
.modal-large {
    max-width: 600px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    margin-bottom: var(--space-6);
}

.modal-header h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

.modal-subtitle {
    color: var(--color-ash);
    font-size: var(--text-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.image-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-8);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.image-upload-area:hover,
.image-upload-area.dragover {
    border-color: var(--color-teal);
    background: var(--color-teal-dim);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-ash);
}

.upload-placeholder svg {
    width: 40px;
    height: 40px;
    fill: var(--color-stone);
}

.upload-hint {
    font-size: var(--text-xs);
    color: var(--color-stone);
}

.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.image-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-image {
    position: absolute;
    top: var(--space-1);
    right: var(--space-1);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-paper);
    font-size: var(--text-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.remove-image:hover {
    background: var(--color-error);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* ----------------------------------------
   Delete Modal
   ---------------------------------------- */
.modal-small {
    max-width: 400px;
    text-align: center;
}

.modal-small h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.modal-small p {
    color: var(--color-ash);
    margin-bottom: var(--space-6);
}

.modal-small .form-actions {
    justify-content: center;
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

/* Button variants */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-danger {
    background: var(--color-error);
    border-color: var(--color-error);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */
@media (max-width: 1200px) {
    .masonry-wall {
        column-count: 3;
    }
}

@media (max-width: 900px) {
    .masonry-wall {
        column-count: 2;
    }
    
    .view-modal-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    
    .view-gallery {
        max-height: 50vh;
    }
    
    .gallery-main {
        min-height: 300px;
    }
    
    .view-info {
        max-height: 40vh;
    }
}

@media (max-width: 768px) {
    .wall-hero {
        padding: calc(var(--header-height) + var(--space-8)) var(--space-6) var(--space-8);
    }
    
    .wall-toolbar {
        flex-direction: column;
        gap: var(--space-3);
        padding: var(--space-3) var(--space-4);
    }
    
    .toolbar-left,
    .toolbar-right {
        width: 100%;
        justify-content: center;
    }
    
    .filter-tabs {
        width: 100%;
    }
    
    .filter-tab {
        flex: 1;
        text-align: center;
    }
    
    .btn-add {
        width: 100%;
    }
    
    .wall-container {
        padding: var(--space-4);
    }
    
    .masonry-wall {
        column-count: 2;
        column-gap: var(--space-3);
    }
    
    .wall-card {
        margin-bottom: var(--space-3);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .image-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-nav {
        width: 40px;
        height: 40px;
    }
    
    .gallery-nav svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .masonry-wall {
        column-count: 1;
    }
    
    .wall-card-small .card-image,
    .wall-card-medium .card-image,
    .wall-card-large .card-image {
        aspect-ratio: 4/3;
    }
    
    .modal-large {
        padding: var(--space-6);
    }
    
    .view-info {
        padding: var(--space-4);
    }
    
    .view-header h2 {
        font-size: var(--text-xl);
    }
}

/* ----------------------------------------
   License Section in Form
   ---------------------------------------- */
.license-section {
    background: var(--color-teal-dim);
    border: 1px solid var(--color-teal);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin: var(--space-6) 0;
}

.license-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: var(--color-teal);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    letter-spacing: var(--tracking-wide);
}

.license-header svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.license-section .form-group {
    margin-bottom: var(--space-4);
}

.license-section .form-group label {
    color: var(--color-smoke);
}

.units-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.units-input-wrapper input[type="number"] {
    width: 120px;
    text-align: center;
    font-size: var(--text-lg);
    font-weight: 600;
}

.units-hint {
    font-size: var(--text-xs);
    color: var(--color-ash);
}

.license-checkbox {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: 0;
}

.license-checkbox label {
    font-size: var(--text-sm) !important;
    line-height: var(--leading-relaxed);
}