.hotbar {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(19, 26, 38, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid #1e293b;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.hotbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-text {
    color: #3b82f6;
    font-weight: bold;
    font-size: 12px;
}

.divider {
    color: #475569;
}

.timer-text {
    color: #94a3b8;
    font-size: 12px;
}

.logout-icon-btn {
    background: transparent;
    border: none;
    color: #64748b;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    width: auto;
}

.logout-icon-btn:hover {
    color: #3b82f6;
    background: transparent;
}

#logout-btn:hover {
    color: #ef4444;
}

.left-controls-column {
    position: absolute;
    top: 65px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

.control-btn {
    background: rgba(19, 26, 38, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid #1e293b;
    color: #94a3b8;
    font-size: 11px;
    padding: 8px 14px;
    width: 120px;
    text-align: left;
}

.control-btn:hover {
    background: #131a26;
    color: #3b82f6;
    border-color: #3b82f6;
}

#pause-btn.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}

#eraser-btn:hover {
    color: #ef4444;
    border-color: #ef4444;
}

#eraser-btn.active {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

.layout-card {
    max-width: 420px;
    width: 90%;
}

.save-layout-form {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.save-layout-form input {
    margin-bottom: 0;
    text-align: left;
}

.save-layout-form button {
    width: auto;
    white-space: nowrap;
}

.layouts-list-container {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.layout-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0b0f19;
    border: 1px solid #1e293b;
    padding: 8px 12px;
}

.layout-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.layout-name {
    color: #f8fafc;
    font-size: 12px;
    font-weight: bold;
}

.layout-details {
    color: #475569;
    font-size: 10px;
}

.layout-actions {
    display: flex;
    gap: 6px;
}

.layout-btn-action {
    background: #1e293b;
    color: #94a3b8;
    padding: 4px 8px;
    font-size: 10px;
    width: auto;
}

.layout-btn-action:hover {
    background: #3b82f6;
    color: #fff;
}

.layout-btn-delete {
    background: transparent;
    color: #64748b;
    padding: 4px 6px;
    font-size: 12px;
    width: auto;
}

.layout-btn-delete:hover {
    background: transparent;
    color: #ef4444;
}

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0b0f19;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.loader-title {
    color: #f8fafc;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 2px;
    margin: 0;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(30, 41, 59, 0.8);
    border-top: 3px solid #3b82f6;
    border-right: 3px solid #a855f7;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}

#loading-text {
    color: #64748b;
    font-size: 12px;
    letter-spacing: 1px;
    margin: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#glow-toggle-btn.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.ui-hidden .hotbar, .ui-hidden .left-controls-column, .ui-hidden .palette-toggle, .ui-hidden .color-palette, .ui-hidden .music-box, .ui-hidden .version-tag, .ui-hidden .canvas-hint {
    display: none !important;
}

#exit-zen-hint {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 1px;
    z-index: 1000;
    pointer-events: none;
    transition: opacity 0.5s;
}