.header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        display: flex;
        justify-content: left;
        align-items: center;
        padding: 8px 20px;
        z-index: 51;
        height: 60px;
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        max-width: 100%;
        border-radius: 40px;
        background: linear-gradient(
                to bottom,
                rgba(0, 0, 0, 1) 0%,
                rgba(0, 0, 0, 0.8) 60%,
                rgba(0, 0, 0, 0) 100%
        );
        backdrop-filter: blur(0.5px);
        -webkit-backdrop-filter: blur(0.5px);
}

.main-content {
        margin-top: 50px;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
}

.footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        display: flex;
        justify-content: center;
        align-items: center;
        background: linear-gradient(
                to top,
                rgba(0, 0, 0, 0.8) 0%,
                rgba(0, 0, 0, 0.5) 60%,
                rgba(0, 0, 0, 0) 100%
        );
        backdrop-filter: blur(0.5px);
        -webkit-backdrop-filter: blur(0.5px);
        padding: 12px 20px;
        border: none;
        margin-top: auto;
        margin-bottom: 0;
        gap: var(--spacing-md);
        z-index: 50;
}

.grid {
        display: grid;
        grid-template-columns: repeat(var(--grid-cols), 1fr);
        gap: var(--spacing-md);
        width: 90%;
        max-width: var(--max-width);
        margin-bottom: var(--spacing-xl);
}

.pages-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
        gap: var(--spacing-md);
}

.filter-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
}

.box {
        background: var(--bg-tertiary);
        border-radius: var(--box-radius);
        aspect-ratio: 1 / 1;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        transition: transform var(--transition-fast),
                background var(--transition-medium);
        user-select: none;
        border-top: 1.2px solid var(--border-primary);
        border-left: 1.2px solid var(--border-primary);
        border-right: 0.7px solid var(--border-primary);
        border-bottom: 0.7px solid var(--border-primary);
        overflow: hidden;
}

.icon {
        width: var(--icon-size);
        height: var(--icon-size);
        object-fit: contain;
        opacity: 0;
        transition: opacity 0.3s ease;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
}

.icon.loaded {
        opacity: 1;
}

.header-pill {
        background: rgba(20, 20, 20, 0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        color: var(--text-primary);
        border: none;
        border-left: 1px solid #222;
        border-right: 1px solid #222;
        border-bottom: 0.1px solid #222;
        border-radius: var(--pill-radius);
        padding: var(--spacing-sm) var(--spacing-lg);
        cursor: pointer;
        transition: background var(--transition-medium),
                transform var(--transition-fast);
        font-size: var(--font-size-lg);
        font-weight: 500;
        font-family: var(--font-main);
        white-space: nowrap;
}

.footer-pill {
        border-radius: var(--pill-radius);
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-lg);
        font-weight: 500;
        font-family: var(--font-main);
        cursor: pointer;
        transition: transform var(--transition-fast);
        background: rgba(20, 20, 20, 0.4);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        color: var(--text-primary);
        border-top: 1px solid var(--border-primary);
        border-left: 0.6px solid var(--border-primary);
        border-right: 0.6px solid var(--border-primary);
        border-bottom: 0px solid var(--border-primary);
}

.mode-tab {
        background: rgba(20, 20, 20, 0.4);
        color: var(--text-primary);
        border-top: 1px solid var(--border-primary);
        border-left: 0.6px solid var(--border-primary);
        border-right: 0.6px solid var(--border-primary);
        border-bottom: 0px solid var(--border-primary);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: var(--pill-radius);
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-lg);
        font-weight: 500;
        font-family: var(--font-main);
        cursor: pointer;
        transition: background var(--transition-medium),
                transform var(--transition-fast);
}

.sheet-page-btn {
        background: transparent;
        color: var(--text-primary);
        border: none;
        border-radius: 10px;
        padding: var(--spacing-md);
        cursor: pointer;
        transition: background var(--transition-medium);
        text-align: center;
        font-size: var(--font-size-lg);
        font-family: var(--font-main);
}

.filter-btn {
        background: transparent;
        color: var(--text-primary);
        border: none;
        border-radius: 20px;
        padding: var(--spacing-md);
        cursor: pointer;
        transition: transform var(--transition-medium),
                background var(--transition-medium);
        text-align: center;
        font-size: var(--font-size-md);
        font-family: var(--font-main);
        min-height: 45px;
        width: 100%;
}

.dropdown-btn {
        background: rgba(20, 20, 20, 0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: none;
        border-left: 1px solid #222;
        border-right: 1px solid #222;
        border-bottom: 0.1px solid #222;
        color: var(--text-primary);
        border-radius: var(--pill-radius);
        padding: var(--spacing-sm) var(--spacing-lg);
        cursor: pointer;
        transition: background var(--transition-medium),
                transform var(--transition-fast);
        font-size: var(--font-size-lg);
        font-weight: 500;
        font-family: var(--font-main);
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 6px;
}

.dropdown-btn i {
        font-size: 12px;
        transition: transform 0.2s ease;
}

.dropdown-btn.active i {
        transform: rotate(180deg);
}

.dropdown-menu {
        position: fixed;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(50px);
        -webkit-backdrop-filter: blur(50px);
        border-radius: 25px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        border-left: 0.8px solid rgba(255, 255, 255, 0.1);
        border-right: 0.3px solid rgba(255, 255, 255, 0.1);
        border-bottom: 0.6px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        z-index: 60;
        min-width: 220px;
        max-height: 60vh;
        overflow-y: auto;
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
        transform-origin: top right;
        /* Important: animation start point */
        transition: opacity 0.3s ease, transform 0.3s ease;
        pointer-events: none;
        display: flex;
        flex-direction: column;
        padding: 10px;
}

.dropdown-menu.active {
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: all;
}

.dropdown-section {
        margin-bottom: 10px;
}

.dropdown-section-title {
        font-size: 12px;
        color: var(--text-muted);
        padding: 8px 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
}

.dropdown-filter-btn {
        background: transparent;
        color: var(--text-primary);
        border: none;
        border-radius: 10px;
        padding: 10px 12px;
        cursor: pointer;
        transition: background 0.2s ease;
        text-align: left;
        font-size: 14px;
        font-family: var(--font-main);
        width: 100%;
        display: flex;
        align-items: center;
        gap: 8px;
}

.dropdown-filter-btn i {
        font-size: 12px;
        opacity: 0.5;
        min-width: 16px;
}

.dropdown-filter-btn.active {
        background: rgba(255, 255, 255, 0.1);
        color: white;
}

.dropdown-filter-btn.active i {
        opacity: 1;
}

.modal {
        position: fixed;
        border-radius: var(--modal-radius);
        background: var(--modal-bg);
        color: var(--text-primary);
        z-index: 100;
        display: flex;
        justify-content: center;
        align-items: center;
        transition: all var(--transition-modal);
        overflow: hidden;
        box-shadow: var(--shadow-modal);
        border-top: 1px solid var(--border-primary);
        border-left: 1px solid var(--border-primary);
        border-right: 0.8px solid var(--border-primary);
        border-bottom: 0.8px solid var(--border-primary);
}

.modal-icon {
        width: var(--modal-icon-size);
        height: var(--modal-icon-size);
        object-fit: contain;
        cursor: pointer;
        transition: background var(--transition-medium),
                transform var(--transition-fast);
        opacity: 0;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
}

.fade-bg {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.2);
        backdrop-filter: var(--blur-backdrop);
        opacity: 0;
        transition: opacity var(--transition-slow);
        z-index: 52;
        pointer-events: none;
}

.bottom-sheet {
        position: fixed;
        bottom: 20px;
        left: 20px;
        right: 20px;

        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(50px);
        -webkit-backdrop-filter: blur(50px);

        border-radius: 30px;
        padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xxl);

        max-height: 70vh;
        overflow-y: auto;

        z-index: 150;
        transform: translateY(150%);
        transition: transform var(--transition-slow);
        
        border-left: 0.01px solid rgba(255, 255, 255, 0.14);
        border-right: 0.01px solid rgba(255, 255, 255, 0.14);
        border-bottom: 0.01px solid rgba(255, 255, 255, 0.14);
        border-top: 0.01px solid rgba(255, 255, 255, 0.14);
        background-clip: padding-box;
        isolation: isolate;
}

.modal-container {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 100;
        pointer-events: none;
}

.details-card {
        position: fixed;
        background: var(--modal-bg);
        border-radius: var(--modal-radius);
        box-shadow: var(--shadow-modal);
        border-top: 1.5px solid var(--modal-border);
        border-left: 0.8px solid var(--modal-border);
        border-bottom: 0.9px solid var(--modal-border);
        border-right: 0.8px solid var(--modal-border);
        padding: 15px;
        z-index: 101;
        display: flex;
        flex-direction: column;
        height: auto;
        overflow-y: auto;
        transform: translateY(30px);
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        max-width: 90vw;
        box-sizing: border-box;
        left: 50%;
        transform: translateX(-50%) translateY(30px);
        user-select: text !important;
        pointer-events: auto !important;
}

.search-textarea {
        width: 100%;
        min-height: 32px;
        max-height: 20px;
        padding: var(--spacing-sm) var(--spacing-lg);
        border-radius: 20px;
        border: none;
        border-left: 1.2px solid #222;
        border-right: 0.8px solid #222;
        border-bottom: 0.1px solid #222;
        background: rgba(20, 20, 20, 0.6);
        backdrop-filter: blur(10px) saturate(180%);
        -webkit-backdrop-filter: blur(10px) saturate(180%);
        color: var(--text-primary);
        font-family: inherit;
        outline: none;
        font-size: 14px;
        font-weight: 500;
        resize: none;
        overflow-y: auto;
        font-family: var(--font-main);
        white-space: nowrap;
}

.search-textarea::placeholder {
        color: var(--text-muted);
}

.no-results {
        grid-column: 1 / -1;
        text-align: center;
        padding: var(--spacing-xl);
        color: var(--text-muted);
        font-family: var(--font-main);
}

.loading {
        grid-column: 1 / -1;
        text-align: center;
        padding: var(--spacing-xl);
        color: var(--text-muted);
        font-family: var(--font-main);
}

.search-results-text {
        font-size: var(--font-size-sm);
        color: #666;
        text-align: center;
        margin: var(--spacing-md) 0;
        font-family: var(--font-main);
}

.details-title {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 12px;
        color: var(--text-primary);
        font-family: "IBM Plex Mono", monospace;
        line-height: 1.3;
        word-wrap: break-word;
}

.details-properties {
        display: flex;
        flex-direction: column;
        gap: 8px;
}

.details-property {
        display: block;
        line-height: 1.4;
        font-size: 12px;
}

.details-property-label {
        font-weight: 700;
        color: var(--text-primary);
}

.details-property-value {
        font-weight: 400;
        color: var(--text-secondary);
}

.sheet-page-btn.active {
        background: rgba(255, 255, 255, 0.1);
        color: white;
}

.filter-btn.active {
        background: rgba(255, 255, 255, 0.1);
        color: white;
}

.fade-bg.active {
        opacity: 1;
        pointer-events: all;
}

.bottom-sheet.active {
        transform: translateY(0);
}

.modal-container.active {
        pointer-events: all;
}

.details-card.active {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
}

.modal-icon.loaded {
        opacity: 1;
}

.header-pill:active {
        transform: scale(0.9);
        background: var(--hover-primary);
}

.mode-tab:active {
        transform: scale(0.9);
}

.box:active {
        transform: scale(0.9);
        background: var(--hover-primary);
}

.footer-pill:active {
        transform: scale(0.9);
}

.filter-btn:active {
        transform: scale(0.9);
}

.modal-icon:active {
        background: var(--hover-primary);
        transform: scale(0.9);
}

.dropdown-filter-btn:hover {
        background: rgba(255, 255, 255, 0.05);
}