@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --color-bg: #efefef;
    --color-text: #1c1c1c;
    --color-accent: #32ff00;
    --color-muted: #6f6f6f;
    --color-white: #ffffff;
}

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

[hidden] {
    display: none !important;
}

body {
    min-height: 100svh;
    overflow: hidden;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'DM Sans', sans-serif;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

button,
input {
    font: inherit;
}

.tap-smash-page {
    min-height: 100svh;
}

.interact-cta {
    position: fixed;
    top: calc(24px + env(safe-area-inset-top));
    left: 18px;
    z-index: 260;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
}

.tap-start {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 96px 24px;
    text-align: center;
}

.tap-start-button {
    border: 0;
    background: transparent;
    color: var(--color-text);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
}

.tap-limit-notice {
    position: fixed;
    left: 24px;
    right: 24px;
    top: calc(50% + 34px);
    min-height: 1.3em;
    color: var(--color-muted);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    letter-spacing: -0.03em;
}

.tap-game {
    position: fixed;
    inset: 0;
    display: grid;
    padding: calc(76px + env(safe-area-inset-top)) 18px calc(24px + env(safe-area-inset-bottom));
}

.tap-timer {
    position: fixed;
    top: calc(24px + env(safe-area-inset-top));
    right: 18px;
    z-index: 80;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
}

.tap-zone {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 28px;
    background: #e8e8e8;
    color: var(--color-text);
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.tap-zone:active {
    background: var(--color-accent);
}

.tap-zone span {
    font-size: clamp(6rem, 32vw, 10rem);
    font-weight: 800;
    line-height: 0.86;
    letter-spacing: -0.08em;
}

.tap-game.is-counting-down .tap-zone {
    visibility: hidden;
}

.countdown-overlay {
    position: fixed;
    inset: calc(76px + env(safe-area-inset-top)) 18px calc(24px + env(safe-area-inset-bottom));
    z-index: 40;
    display: grid;
    place-items: center;
    border-radius: 28px;
    background: var(--color-bg);
}

.countdown-overlay span {
    font-size: clamp(5rem, 28vw, 9rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.08em;
}

.leaderboard-toggle {
    position: fixed;
    right: 18px;
    bottom: calc(18px + env(safe-area-inset-bottom));
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font-size: 1.8rem;
}

body.tap-active .leaderboard-toggle {
    display: none;
}

.leaderboard-modal,
.game-result,
.score-confirmation {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.leaderboard-card,
.result-card,
.confirmation-card {
    position: relative;
    width: min(440px, 100%);
    max-height: 80vh;
    padding: 44px 34px 36px;
    overflow-y: auto;
    border-radius: 34px;
    background: var(--color-white);
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
}

.leaderboard-label {
    margin-bottom: 18px;
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.04em;
}

.leaderboard-list {
    display: grid;
    gap: 0;
    list-style: none;
    color: #c3c3c3;
}

.leaderboard-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0 0;
    border-top: 1px solid rgba(28, 28, 28, 0.1);
}

.leaderboard-list span,
.leaderboard-list strong {
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.04em;
}

.result-card,
.confirmation-card {
    display: grid;
    gap: 10px;
    text-align: center;
}

#finalScore,
#rankPlace {
    display: block;
    margin: 0 auto 14px;
    color: var(--color-text);
    font-size: clamp(4rem, 18vw, 6rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.07em;
}

#nicknameInput,
#submitScoreBtn,
.confirmation-actions button {
    width: 100%;
    min-height: 58px;
    border: 0;
    border-radius: 999px;
    padding: 14px 18px;
    font: inherit;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: center;
}

#nicknameInput {
    outline: none;
    background: var(--color-bg);
    color: var(--color-text);
}

#submitScoreBtn,
#tryAgainBtn {
    background: var(--color-accent);
    color: var(--color-text);
}

#shareScoreBtn {
    background: var(--color-text);
    color: var(--color-white);
}

.result-message {
    min-height: 1.2em;
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.confirmation-message {
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.confirmation-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}