:root {
    --lime-green: #AFFF00;
    --white-color: #ffffff;
    --dark-gray: #333;
    --black-color: #000;
    --blue-jean: #5dadec;
    --time-diff-positive: #FFD600;
    --time-diff-negative: #FF00FF;
}

body {
    background-color: var(--black-color);
    color: var(--white-color);
    font-family: 'Helvetica Neue', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

.main-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--black-color);
    padding-top: max(80px, env(safe-area-inset-top));
    padding-right: max(10px, env(safe-area-inset-right));
    padding-bottom: max(80px, env(safe-area-inset-bottom));
    padding-left: max(10px, env(safe-area-inset-left));
    box-sizing: border-box;
    min-width: 400px;
    min-height: 380px;
}

.top-bar {
    position: relative;
    width: 100%;
    z-index: 20;
    flex-shrink: 0;
    flex-grow: 2;
}

.top-bar-content {
    width: 100%;
    max-width: 800px;
    height: 100%;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

/* Repositioning icons in v3 */
.footer-content .info-icon,
.footer-content .edit-btn {
    font-size: 1.5em;
    cursor: pointer;
    padding: 0 20px;
}

.digital-clock-container {
    text-align: center;
    cursor: pointer;
}

.digital-time {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    font-size: 2.5em;
    font-weight: bold;
    color: var(--lime-green);
    font-family: 'Share Tech Mono', monospace;
}

#am-pm {
    font-size: 0.5em;
    margin-left: 5px;
    color: var(--lime-green);
}

.local-info {
    font-size: 0.9em;
    color: var(--lime-green);
    display: flex;
    flex-direction: column;
    align-items: center;
}

#local-city-gmt {
    color: var(--lime-green);
}

.separator {
    margin: 0 4px;
}

.local-clock-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex-grow: 7;
    min-height: 0;
    padding: 10px;
    box-sizing: border-box;
    position: relative;
}

.clock-face {
    position: relative;
    border-radius: 50%;
    border: 2px solid var(--dark-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 100%;
    touch-action: none;
}

#offset-arc {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    z-index: 1;
    --arc-color: transparent;
    --start-angle: 0deg;
    --end-angle: 0deg;
    background: conic-gradient(
        from var(--start-angle),
        var(--arc-color) 0deg var(--end-angle),
        transparent var(--end-angle)
    );
    mask: radial-gradient(circle, transparent 69%, black 69%);
    -webkit-mask: radial-gradient(circle, transparent 69%, black 69%);
    display: none; /* Hidden by default */
    pointer-events: none;
}

.half {
    width: 100%;
    height: 50%;
    position: absolute;
    overflow: hidden;
}

.top-half {
    top: 0;
    background-color: var(--blue-jean);
}

.bottom-half {
    bottom: 0;
    background-color: var(--black-color);
}

.marker-hour {
    position: absolute;
    background-color: var(--white-color);
    width: 1px;
    height: 45px;
    z-index: 2;
}

.marker-30min {
    position: absolute;
    background-color: var(--white-color);
    width: 1px;
    height: 30px;
    opacity: 0.8;
    z-index: 2;
}

.marker-15min {
    position: absolute;
    background-color: var(--white-color);
    width: 1px;
    height: 15px;
    opacity: 0.6;
    z-index: 2;
}

.hour-number-24 {
    position: absolute;
    font-size: 1.1em;
    color: var(--white-color);
    font-family: 'Rationale', sans-serif;
    z-index: 2;
}

.major-hour-number {
    position: absolute;
    font-size: 1.5em;
    color: var(--white-color);
    font-family: 'Rationale', sans-serif;
    z-index: 2;
}

.hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom;
    z-index: 5;
    height: 45%;
    display: flex;
    justify-content: center;
}

.local-hand {
    width: 3px;
    background-color: var(--lime-green);
    color: var(--lime-green);
}

.other-hand {
    width: 2px;
    background-color: var(--white-color);
    opacity: 0.7;
    color: var(--white-color);
}

.hand-marker {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-color: var(--white-color);
    border-radius: 50%;
    z-index: 10;
}

.city-on-hand {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 12px;
    font-weight: bold;
    white-space: nowrap;
    color: inherit;
    padding: 0 0.5em;
    font-family: 'Helvetica Neue', sans-serif;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.time-diff-text {
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1em;
    text-align: center;
    white-space: nowrap;
}

.date-diff-indicator {
    font-size: 9px;
    font-weight: bold;
    color: var(--black-color);
    background-color: var(--lime-green);
    border-radius: 50%;
    width: 14px;
    height: 14px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-left: 4px;
    line-height: 1;
}

.footer {
    height: 80px;
    align-items: flex-start;
    margin-top: 20px;
    position: relative; /* z-index를 적용하기 위해 추가 */
    z-index: 100; /* 다른 요소들 위에 오도록 설정 */
}

.footer-content {
    width: 100%;
    max-width: 800px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-info {
    font-size: 1em;
    color: #666;
    flex-shrink: 0;
    text-align: center;
}

.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #222;
    padding: 20px;
    border-radius: 10px;
    width: 80%;
    max-width: 400px;
    text-align: left;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-content h3 {
    margin-top: 0;
    text-align: center;
}

#city-list {
    list-style: none;
    padding: 0;
}

#city-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #444;
    font-family: 'Offside', sans-serif;
}

#city-list li button {
    background: none;
    border: none;
    color: var(--white-color);
    cursor: pointer;
    margin-left: 5px;
}

#city-name-input, #timezone-input, #city-search-input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    box-sizing: border-box;
    background-color: #444;
    border: 1px solid #666;
    color: white;
    border-radius: 5px;
}

#search-results {
    list-style: none;
    padding: 0;
    margin: -10px 0 10px 0;
    background-color: #3a3a3a;
    border-radius: 5px;
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid #666;
}

#search-results li {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #555;
}

#search-results li:last-child {
    border-bottom: none;
}

#search-results li:hover {
    background-color: #555;
}

#timezone-input {
    background-color: #333;
    color: #ccc;
}

.modal-actions {
    margin-top: 20px;
    text-align: center;
}

.modal-actions button {
    background-color: var(--lime-green);
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin: 0 5px;
}

.modal-actions button:last-child {
    background-color: #555;
    color: white;
}

#city-list {
    max-height: 240px; /* 5 items * ( (10px padding * 2) + ~28px font ) */
    overflow-y: auto;
}

.sun-icon, .moon-icon {
    position: absolute;
    font-size: 1.2em;
    z-index: 1;
}

.sun-icon {
    top: 12%;
    left: 50%;
    transform: translateX(-50%);
}

.moon-icon {
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
}

@media (max-width: 600px) {
    .digital-time {
        font-size: 2em;
    }
    .local-info {
        font-size: 0.8em;
    }
    .hour-number-24 {
        font-size: 1em;
    }
    .major-hour-number {
        font-size: 1.3em;
    }
    .city-on-hand {
        font-size: 10px;
    }
}

.rotation-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 15;
    pointer-events: none;
    cursor: pointer;
}

.rotation-indicator.show {
    opacity: 0.7;
    pointer-events: auto;
}

.rotation-indicator.left {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 4v6h6"/><path d="M3.51 15a9 9 0 1 0 2.12-9.36L1 10"/></svg>');
}

.rotation-indicator.right {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M23 4v6h-6"/><path d="M20.49 15a9 9 0 1 1-2.12-9.36L23 10"/></svg>');
}