* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    min-height: 100vh;
    position: relative;
    padding: 2rem;
}

body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle at center, 
        rgba(88, 28, 135, 0.15) 0%, 
        rgba(124, 58, 237, 0.1) 25%, 
        rgba(139, 92, 246, 0.05) 50%, 
        transparent 70%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    z-index: 1;
    position: relative;
}

h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 200;
    letter-spacing: 0.01em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 25%, #a5b4fc 50%, #818cf8 75%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    will-change: transform, text-shadow; /* Performance optimization */
}

@keyframes glow {
    0%, 100% { 
        text-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 30px rgba(139, 92, 246, 0.7);
        transform: scale(1.01);
    }
}

.bordered-section {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.watch-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.watch-form input {
    flex: 1;
    min-width: 300px;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.watch-form input::placeholder {
    color: #64748b;
}

.watch-form input:focus {
    outline: none;
    border-color: #818cf8;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.1);
}

button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #6366f1, #818cf8);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: 200;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-size: 0.95rem;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.clear-button {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.clear-button:hover {
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}

.lock-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.lock-all-button {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.lock-all-button:hover {
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.unlock-all-button {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.unlock-all-button:hover {
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.status {
    color: #cbd5e1;
    line-height: 1.6;
}

#watching {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.watching {
    color: #4ade80 !important;
    font-weight: 500 !important;
}

.status {
    margin-bottom: 1.5rem;
}

.status #stats {
    color: #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.status #stats strong {
    color: #e2e8f0;
    font-weight: 500;
}

.file-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.file-summary-grid::-webkit-scrollbar {
    width: 6px;
}

.file-summary-grid::-webkit-scrollbar-track {
    background: transparent;
}

.file-summary-grid::-webkit-scrollbar-thumb {
    background: rgba(129, 140, 248, 0.3);
    border-radius: 3px;
}

.file-summary-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.file-summary-item.locked {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
}

.file-summary-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(129, 140, 248, 0.3);
}

.file-summary-item .file-name {
    flex: 1;
    font-weight: 300;
    color: #e2e8f0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-summary-item .change-count {
    color: #94a3b8;
    font-size: 0.85rem;
    white-space: nowrap;
}

.lock-toggle-small {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.4rem;
    min-width: auto;
    font-size: 1rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.lock-toggle-small:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.control-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.file-summary-item.no-changes {
    opacity: 0.6;
}

.file-summary-item.no-changes .change-count {
    color: #64748b;
}

.no-changes {
    text-align: center;
    color: #64748b;
    padding: 2rem;
    font-style: italic;
}

h2 {
    font-size: 1.5rem;
    font-weight: 200;
    color: #e2e8f0;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.bordered-section h2 {
    margin-top: 0;
    font-size: 1.3rem;
    color: #a5b4fc;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
}

.changes-container {
    max-height: 60vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(129, 140, 248, 0.3) transparent;
}

.changes-container::-webkit-scrollbar {
    width: 6px;
}

.changes-container::-webkit-scrollbar-track {
    background: transparent;
}

.changes-container::-webkit-scrollbar-thumb {
    background: rgba(129, 140, 248, 0.3);
    border-radius: 3px;
}

.change {
    padding: 1rem;
    margin: 0.5rem 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #e2e8f0;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.change:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(129, 140, 248, 0.3);
    transform: translateY(-1px);
}

.change-info {
    flex: 1;
}

.lock-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    min-width: auto;
    font-size: 1.2rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.lock-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.locked-file {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.locked-file .change-info {
    position: relative;
}

.locked-file .change-info::before {
    content: '🔒';
    position: absolute;
    left: -1.5rem;
    opacity: 0.5;
}

.vector-info {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    color: #94a3b8;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.diff {
    display: none;
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    margin: 0.5rem 0;
    white-space: pre-wrap;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow-x: auto;
    line-height: 1.4;
}

.diff-add { 
    color: #4ade80; 
    background: rgba(74, 222, 128, 0.1);
}

.diff-del { 
    color: #f87171; 
    background: rgba(248, 113, 113, 0.1);
}

.diff-hdr { 
    color: #60a5fa; 
    font-weight: 500;
}

@keyframes float {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
}

@media (max-width: 768px) {
    .watch-form {
        flex-direction: column;
    }
    
    .watch-form input {
        min-width: unset;
        width: 100%;
    }
    
    button {
        width: 100%;
    }
    
    h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }
}