/* Google Chrome Dark Theme */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
    --bg-primary: #202124;
    --bg-secondary: #292a2d;
    --bg-tertiary: #35363a;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-tertiary: #5f6368;
    --accent-blue: #8ab4f8;
    --accent-green: #81c995;
    --accent-red: #f28b82;
    --accent-yellow: #fdd663;
    --border-color: #3c4043;
    --hover-color: #3c4043;
    --card-bg: #292a2d;
    --google-blue: #4285f4;
    --google-red: #ea4335;
    --google-yellow: #fbbc04;
    --google-green: #34a853;
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 32px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.logo-icon {
    font-size: 32px;
}

.logo h1 {
    font-size: 22px;
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.last-update {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border-radius: 16px;
}

/* Content */
.content {
    padding: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Grid */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.stat-card:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.stat-card h3 {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.stat-card .number {
    font-size: 48px;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-card p {
    font-size: 14px;
    color: var(--text-tertiary);
}

.stat-card.previous .number {
    color: var(--text-secondary);
}

.stat-card.current .number {
    color: var(--accent-blue);
}

.stat-card.change .number.positive {
    color: var(--accent-green);
}

.stat-card.change .number.negative {
    color: var(--accent-red);
}

.stat-card.change .number.neutral {
    color: var(--text-secondary);
}

/* Changes Section */
.changes-section {
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 20px;
    font-weight: 400;
    color: var(--text-primary);
}

.section-header .badge {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Change Grid */
.change-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: 16px;
}

.change-box {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.change-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.change-box-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.change-box-title h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.change-box.added .change-box-header {
    background-color: rgba(129, 201, 149, 0.1);
}

.change-box.removed .change-box-header {
    background-color: rgba(242, 139, 130, 0.1);
}

.change-box.added .change-box-title h3 {
    color: var(--accent-green);
}

.change-box.removed .change-box-title h3 {
    color: var(--accent-red);
}

.count-badge {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.change-box.added .count-badge {
    background-color: rgba(129, 201, 149, 0.2);
    color: var(--accent-green);
}

.change-box.removed .count-badge {
    background-color: rgba(242, 139, 130, 0.2);
    color: var(--accent-red);
}

/* IP List */
.ip-list {
    max-height: 500px;
    overflow-y: auto;
    padding: 8px;
}

.ip-list::-webkit-scrollbar {
    width: 8px;
}

.ip-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.ip-list::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.ip-list::-webkit-scrollbar-thumb:hover {
    background: var(--hover-color);
}

.ip-item {
    padding: 10px 16px;
    margin: 4px 0;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    font-family: 'Roboto Mono', 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.ip-item:hover {
    background-color: var(--hover-color);
    border-color: var(--accent-blue);
    transform: translateX(4px);
}

.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state p {
    font-size: 14px;
}

/* No Changes */
.no-changes {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 64px 32px;
    text-align: center;
}

.no-changes .icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.no-changes h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.no-changes p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    text-align: center;
    padding: 32px;
    color: var(--text-tertiary);
    font-size: 13px;
    border-top: 1px solid var(--border-color);
    margin-top: 48px;
}

.footer p {
    margin: 4px 0;
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .content {
        padding: 16px;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .change-grid {
        grid-template-columns: 1fr;
    }

    .stat-card .number {
        font-size: 36px;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card,
.change-box {
    animation: fadeIn 0.4s ease-out;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }

/* Charts Section */
.charts-section {
    margin-bottom: 32px;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.chart-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.chart-card:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-container {
    position: relative;
    margin-bottom: 0;
}

.chart-container canvas {
    max-height: 100%;
    width: 100% !important;
    height: auto !important;
}

/* Chart Summary Stats */
.chart-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.summary-stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    text-align: center;
}

.summary-stat .label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-stat .value {
    font-size: 28px;
    font-weight: 300;
    color: var(--text-primary);
}

.summary-stat .value.positive {
    color: var(--accent-green);
}

.summary-stat .value.negative {
    color: var(--accent-red);
}

/* Responsive Charts */
@media (max-width: 768px) {
    .chart-grid {
        grid-template-columns: 1fr;
    }

    .chart-card {
        padding: 16px;
    }

    .chart-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .summary-stat .value {
        font-size: 22px;
    }
}