:root {
    --bg-color: #1a1d26;
    --text-color: #d1d5db;
    --keyword-color: #c678dd;
    --comment-color: #6a9955;
    --key-color: #61afef;
    --string-color: #a1c289;
    --number-color: #d19a66;
    --punc-color: #abb2bf;
    --clock-border: rgba(255, 255, 255, 0.15);
    --clock-shadow: inset 0 0 15px rgba(255, 255, 255, 0.05), 0 10px 30px rgba(0, 0, 0, 0.3);
    --toggle-bg: rgba(255, 255, 255, 0.1);
    --toggle-ring: rgba(255, 255, 255, 0.2);
    --font-mono: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
}

[data-theme="light"] {
    --bg-color: #f8f9fa;
    --text-color: #2c3e50;
    --keyword-color: #0000ff;
    --comment-color: #008000;
    --key-color: #0070c1;
    --string-color: #a31515;
    --number-color: #098658;
    --punc-color: #333;
    --clock-border: rgba(0, 0, 0, 0.1);
    --clock-shadow: inset 0 0 10px rgba(0, 0, 0, 0.02), 0 10px 25px rgba(0, 0, 0, 0.08);
    --toggle-bg: rgba(0, 0, 0, 0.08);
    --toggle-ring: rgba(0, 0, 0, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

html,
body {
    width: 100%;
    min-height: 100%;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    overflow: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.clock-page {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.top-actions {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 1000;
}

.theme-switch {
    width: 70px;
    height: 34px;
    border: 1px solid var(--toggle-ring);
    border-radius: 20px;
    background: var(--toggle-bg);
    display: flex;
    align-items: center;
    padding: 0 6px;
    cursor: pointer;
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.toggle-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #333;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: transform 0.45s cubic-bezier(0.68, -0.55, 0.265, 1.55), background-color 0.35s ease, color 0.35s ease;
}

[data-theme="light"] .toggle-circle {
    transform: translateX(34px);
    background: #2c3e50;
    color: #f1c40f;
}

.code-clock {
    display: grid;
    position: absolute;
    inset: 0;
    grid-template-columns: minmax(400px, 620px) minmax(240px, 320px);
    align-items: center;
    justify-content: center;
    gap: clamp(1.5rem, 4vw, 4rem);
    padding: clamp(4rem, 6vw, 6rem) clamp(1rem, 6vw, 5rem) clamp(1rem, 4vw, 3rem);
    max-width: 1300px;
    margin: 0 auto;
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.35s ease;
}

.code-clock.hidden {
    opacity: 0;
    pointer-events: none;
}
.code-clock.active {
    opacity: 1;
    pointer-events: auto;
}

.code-section {
    font-size: clamp(0.85rem, 1.6vw, 1.25rem);
    line-height: 1.7;
    width: 30rem;
    justify-self: center;
}

.comment {
    color: var(--comment-color);
    font-style: italic;
    display: block;
    margin-bottom: 0.5rem;
}

.keyword {
    color: var(--keyword-color);
}

.key {
    color: var(--key-color);
}

.string {
    color: var(--string-color);
}

.number {
    color: var(--number-color);
}

.punc {
    color: var(--punc-color);
}

.indent {
    padding-left: 2.2rem;
}

.clock-section {
    display: flex;
    justify-content: center;
    align-items: center;
    justify-self: center;
}

.analog-clock {
    width: clamp(170px, 26vw, 260px);
    aspect-ratio: 1 / 1;
    border: 2px solid var(--clock-border);
    border-radius: 50%;
    position: relative;
    background: transparent;
    box-shadow: var(--clock-shadow);
    transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom;
    border-radius: 10px;
    background: var(--text-color);
    transition: background-color 0.5s ease;
}

.hour-hand {
    width: 6px;
    height: 25%;
    z-index: 3;
}

.minute-hand {
    width: 4px;
    height: 38%;
    z-index: 2;
    opacity: 0.7;
}

.second-hand {
    width: 2px;
    height: 44%;
    background: #e74c3c;
    z-index: 4;
}

.center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--text-color);
    border-radius: 50%;
    z-index: 5;
    border: 2px solid var(--bg-color);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.digital-clock {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease, background-color 0.5s ease, color 0.5s ease;
}

.digital-clock.hidden {
    opacity: 0;
    pointer-events: none;
}
.digital-clock.active {
    opacity: 1;
    pointer-events: auto;
}

.digital-time {
    font-size: clamp(3rem, 15vw, 15rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.digital-date {
    font-size: clamp(0.95rem, 2.6vw, 2rem);
    opacity: 0.82;
    color: var(--text-color);
}

.digital-hint {
    font-size: 0.9rem;
    opacity: 0.55;
    margin-top: 1.7rem;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .code-clock {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        gap: 2rem;
        padding-top: 4.75rem;
        overflow-y: auto;
    }

    .code-section {
        justify-self: center;
        width: 20rem;
    }

    .clock-section {
        justify-self: center;
        padding-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .top-actions {
        top: 1rem;
        right: 1rem;
    }

    .theme-switch {
        width: 64px;
        height: 32px;
        padding: 0 5px;
    }

    .toggle-circle {
        width: 22px;
        height: 22px;
    }

    [data-theme="light"] .toggle-circle {
        transform: translateX(31px);
    }

    .indent {
        padding-left: 1.6rem;
    }
}