:root {
    --tool-bg-color: #f8f9fa;
    --tool-border-color: #dee2e6;
    --tool-text-color: #212529;
    --primary-color: #004085;
    --primary-bg-color: #cce5ff;
    --accent-color: #3498db;
    --accent-dark-color: #2980b9;
    --light-gray-color: #6c757d;
    --white-color: #ffffff;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.time-usa-tool {
    background-color: var(--white-color);
    border: 1px solid var(--tool-border-color);
    border-radius: 12px;
    padding: 20px 24px;
    font-family: var(--font-family);
    color: var(--tool-text-color);
    max-width: 600px;
    margin: 20px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--tool-border-color);
    padding-bottom: 16px;
    color: var(--primary-color);
}

.tool-header h2 {
    margin: 0;
    font-size: 1.5em;
    font-weight: 600;
}

.header-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.local-time-container {
    background-color: var(--tool-bg-color);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}

.local-time-container p {
    margin: 0 0 4px 0;
    font-size: 0.9em;
    color: var(--light-gray-color);
}

.local-clock .time {
    font-size: 1.8em;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--primary-color);
}

.local-clock .date {
    font-size: 0.9em;
    color: var(--light-gray-color);
    display: block;
}


.tool-inputs {
    margin-bottom: 24px;
}

.tool-inputs label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '▼';
    font-size: 12px;
    color: var(--light-gray-color);
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}


#city-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--tool-border-color);
    border-radius: 8px;
    background-color: var(--white-color);
    font-size: 1em;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

#city-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.tool-results {
    background-color: var(--primary-bg-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 8px;
    padding: 16px;
    margin-top: 20px;
}

.tool-results h3 {
    margin: 0 0 16px 0;
    text-align: center;
    font-size: 1.3em;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 16px;
}

.result-item {
    background-color: rgba(255, 255, 255, 0.5);
    padding: 12px;
    border-radius: 6px;
    text-align: center;
}

.result-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.85em;
    font-weight: 500;
    color: var(--light-gray-color);
    margin-bottom: 8px;
}

.result-value {
    margin: 0;
    font-size: 1.1em;
    font-weight: 600;
}

.result-value.time {
    font-size: 1.4em;
}
.result-value.date {
    font-size: 0.8em;
    font-weight: 400;
}

.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}
.tooltip svg {
    width: 14px;
    height: 14px;
    color: var(--light-gray-color);
}
.tooltip .tooltiptext {
    visibility: hidden;
    width: 220px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -110px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8em;
    font-weight: 400;
}
.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

.time-visualizer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--tool-border-color);
}

.time-visualizer h4 {
    text-align: center;
    margin: 0 0 16px 0;
    font-weight: 500;
    color: var(--light-gray-color);
}

.timeline-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.timeline-label {
    flex-basis: 70px;
    text-align: right;
    font-size: 0.9em;
    white-space: nowrap;
}

.timeline {
    flex-grow: 1;
    height: 20px;
    background-color: var(--tool-bg-color);
    border-radius: 10px;
    position: relative;
    border: 1px solid var(--tool-border-color);
}

.timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark-color) 0%, var(--accent-color) 100%);
    border-radius: 10px;
    width: 0%;
    transition: width 0.5s ease-out;
}

.time-notches {
    position: absolute;
    top: 22px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    font-size: 0.75em;
    color: var(--light-gray-color);
    padding: 0 1%;
}

@media (max-width: 480px) {
    .time-usa-tool {
        padding: 16px;
    }
    .result-grid {
        grid-template-columns: 1fr;
    }
    .timeline-label {
        flex-basis: 60px;
        font-size: 0.8em;
    }
}




table {
            border-collapse: collapse;
            width: 100%;
            margin: 20px 0;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }
        th {
            background-color: #f2f2f2;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .note {
            background-color: #e7f3fe;
            padding: 15px;
            border-left: 6px solid #2196F3;
            margin: 20px 0;
        }