:root {
    --bg-main: #f8fafc;
    --border-color: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent: #2563eb;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

body {
    background-color: var(--bg-main);
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

.album-container {
    max-width: 650px;
    margin: 0 auto;
    padding: 24px 16px;
}

.album-header {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.album-header h2 {
    margin: 0 0 10px 0;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.progress-container {
    width: 100%;
    height: 6px;
    background-color: #f1f5f9;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background-color: #10b981;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.fab-add {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 28px;
    height: 28px;
    background: var(--text-main);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.fab-add:hover {
    background: var(--accent);
}

.search-container {
    margin-bottom: 20px;
}

.search-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    box-sizing: border-box;
    background: var(--card-bg);
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--card-bg);
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.breadcrumb-item {
    cursor: pointer;
    color: var(--accent);
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: #1d4ed8;
}

.breadcrumb-item.active {
    color: var(--text-main);
    cursor: default;
}

.breadcrumb-separator {
    color: #cbd5e1;
    user-select: none;
    margin: 0 4px;
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.folder-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s, background 0.15s;
}

.folder-item:hover {
    background: #fdfdfd;
    transform: translateY(-1px);
}

.folder-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.folder-icon {
    font-size: 18px;
    color: #e2a100;
}

.folder-name {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.1px;
}

.folder-count {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 20px;
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
    gap: 12px;
    width: 100%;
}

.card-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 6px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    position: relative;
    box-sizing: border-box;
}

.card-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-image-box {
    width: 100%;
    height: 135px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.card-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 4px;
}

.card-item.not-owned img {
    filter: grayscale(100%) opacity(25%);
}

.card-item-name {
    font-size: 11px;
    font-weight: 700;
    margin-top: 8px;
    margin-bottom: 2px;
    color: var(--text-main);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-wishlist-heart {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    z-index: 10;
    background: rgba(255, 255, 255, 0.7);
    padding: 2px 4px;
    border-radius: 6px;
    opacity: 1;
    transition: opacity 0.2s ease-in-out;
}

.card-item:hover .card-wishlist-heart {
    opacity: 1;
}

@media (hover: none) {
    .card-wishlist-heart {
        opacity: 1;
    }
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none !important;
}

.modal-content {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 14px;
    width: 85%;
    max-width: 340px;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.close-button {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-content h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 700;
}

.modal-image-container {
    width: 100%;
    height: 220px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    border-radius: 8px;
    padding: 8px;
    box-sizing: border-box;
}

.modal-image-container img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
}

.input-group {
    margin-bottom: 14px;
}

.input-group label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 5px;
    letter-spacing: 0.3px;
}

.input-group input, .input-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13.5px;
    box-sizing: border-box;
    background: var(--bg-main);
    color: var(--text-main);
}

.input-group input:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: #ffffff;
}

.modal-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 16px;
}

.span-two-columns {
    grid-column: span 2 !important;
}

.btn {
    width: 100%;
    padding: 11px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary { 
    background: #3b82f6; 
    color: #ffffff; 
}
.btn-primary:hover { 
    background: #2563eb; 
}

.btn-secondary { 
    background: #f1f5f9; 
    border-color: #cbd5e1; 
    color: #475569; 
}
.btn-secondary:hover { 
    background: #e2e8f0; 
}

.btn-success { 
    background: #10b981; 
    color: #ffffff; 
}
.btn-success:hover { 
    background: #059669; 
}

.btn-activated-owned {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fca5a5;
}
.btn-activated-owned:hover {
    background: #fecaca;
}

.btn-activated-fav {
    background: #fef3c7;
    color: #d97706;
    border: 1px solid #fde68a;
}
.btn-activated-fav:hover {
    background: #fcedc2;
}

.btn-activated-wish {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fca5a5;
}
.btn-activated-wish:hover {
    background: #fecaca;
}

.btn-deactivated, .btn-deactivated-wish {
    background: #fce7f3;
    border: 1px solid #fbcfe8;
    color: #db2777;
}
.btn-deactivated:hover, .btn-deactivated-wish:hover {
    background: #fbcfe8;
    color: #be185d;
}

.hidden {
    display: none !important;
}

#filter-buttons-wrapper button {
    transition: all 0.2s ease;
    outline: none;
}

#filter-buttons-wrapper button:active {
    transform: scale(0.98);
}