/* ── Layer Pile – game.css (v2) ── */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&display=swap');

:root {
    --ui-bg: rgba(2, 10, 24, .90);
    --ui-border: rgba(80, 190, 240, .22);
    --ui-text: #e0f4ff;
    --ui-pale: #8dc8e8;
    --ui-accent: #5bc8f5;
    --ui-danger: #ef476f;
    --transition: all .4s cubic-bezier(.4, 0, .2, 1);
}

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

html,
body {
    height: 100%;
    overflow: hidden;
    font-family: 'Fredoka', sans-serif;
    background: #020a18;
    color: var(--ui-text);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

/* ─── CANVASES ─── */
#skyCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

#gameCanvas {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100% !important;
    height: calc(100% - 52px) !important;
    z-index: 10;
    cursor: pointer;
}

/* ─── STARS ─── */
.star {
    position: fixed;
    border-radius: 50%;
    background: #fff;
    pointer-events: none;
    z-index: 1;
    animation: twinkle var(--tw, 3s) ease-in-out infinite;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: var(--op1, .5);
    }

    50% {
        opacity: var(--op2, .05);
    }
}

/* ─── HUD ─── */
.hud {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 52px;
    background: var(--ui-bg);
    border-bottom: 1px solid var(--ui-border);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.hud-left,
.hud-right {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 80px;
}

.hud-right {
    justify-content: flex-end;
}

.hud-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.score-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--ui-pale);
    letter-spacing: .6px;
}

.score-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--ui-accent);
    line-height: 1;
    transition: color .2s;
    font-variant-numeric: tabular-nums;
}

.score-value.score-up {
    color: #5ef5a0;
}

.score-value.score-down {
    color: var(--ui-danger);
}

/* ─── ICON BUTTONS ─── */
.icon-btn {
    background: rgba(91, 200, 245, .12);
    border: 1px solid var(--ui-border);
    color: var(--ui-text);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    text-decoration: none;
}

.icon-btn:hover {
    background: rgba(91, 200, 245, .25);
}

.icon-btn svg {
    pointer-events: none;
}

/* ─── SCORE DELTA ─── */
.score-delta {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
    font-weight: 700;
    pointer-events: none;
    z-index: 600;
    opacity: 0;
}

.score-delta.show {
    animation: delta-fly 1.2s ease forwards;
}

.score-delta.positive {
    color: #5ef5a0;
}

.score-delta.negative {
    color: var(--ui-danger);
}

@keyframes delta-fly {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    80% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-40px);
    }
}

/* ─── PERFECT LABEL ─── */
#perfectLabel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 20px var(--ui-accent), 0 0 40px var(--ui-accent);
    pointer-events: none;
    z-index: 600;
    letter-spacing: 2px;
}

#perfectLabel.show {
    animation: perfect-pop .7s cubic-bezier(.34, 1.56, .64, 1) forwards;
}

@keyframes perfect-pop {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }

    60% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(.85);
        opacity: 0;
    }
}

/* ─── TAP HINT ─── */
#tapHint {
    position: fixed;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 15px;
    color: var(--ui-pale);
    letter-spacing: .5px;
    pointer-events: none;
    z-index: 20;
    animation: hint-pulse 1.8s ease-in-out infinite;
    text-align: center;
}

@keyframes hint-pulse {

    0%,
    100% {
        opacity: .4;
    }

    50% {
        opacity: 1;
    }
}

/* ─── SIDE BADGES ─── */
#bestBadge {
    position: fixed;
    left: 14px;
    top: 62px;
    font-size: 12px;
    color: var(--ui-pale);
    pointer-events: none;
    z-index: 20;
    line-height: 1.3;
}

#bestBadge span {
    color: #f0e68c;
    font-weight: 700;
    font-size: 16px;
    display: block;
}

#heightIndicator {
    position: fixed;
    right: 14px;
    top: 62px;
    font-size: 12px;
    color: var(--ui-pale);
    pointer-events: none;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
}

.hi-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.hi-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--ui-accent);
}

.speed-label {
    font-size: 11px;
    color: var(--ui-pale);
}

.speed-pips {
    display: flex;
    gap: 4px;
}

.pip {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    transition: background .3s;
}

.pip.active {
    background: var(--ui-accent);
}

/* ─── OVERLAYS ─── */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(1, 6, 18, .87);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.overlay.open {
    display: flex;
}

.modal {
    position: relative;
    background: linear-gradient(160deg, #0a1f3a, #030f22);
    border: 1px solid var(--ui-border);
    border-radius: 22px;
    padding: 30px 26px;
    max-width: 380px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0, 0, 0, .7);
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    background: none;
    border: none;
    color: var(--ui-pale);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, .1);
}

.modal h2 {
    font-size: 22px;
    color: var(--ui-accent);
    margin-bottom: 18px;
}

.modal h3 {
    font-size: 15px;
    color: var(--ui-accent);
    margin: 14px 0 6px;
}

.modal section {
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    padding-bottom: 12px;
    margin-bottom: 4px;
}

.modal ul,
.modal ol {
    padding-left: 18px;
}

.modal li {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 4px;
    color: var(--ui-pale);
}

.modal li strong {
    color: var(--ui-text);
}

.pause-menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

#pauseOverlay .modal h2 {
    text-align: center;
    margin-top: 10px;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.gameover-emoji {
    font-size: 56px;
    text-align: center;
    margin-bottom: 4px;
}

.gameover-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.final-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 15px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, .05);
    border-radius: 10px;
}

.stat-val {
    font-weight: 700;
    color: var(--ui-accent);
}

/* ─── BUTTONS ─── */
.btn-sky {
    width: 100%;
    padding: 14px;
    border-radius: 14px;
    border: none;
    font-family: 'Fredoka', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, #0077b6, #023e8a);
    box-shadow: 0 6px 18px rgba(0, 119, 182, .4);
    transition: var(--transition);
}

.btn-sky:hover {
    filter: brightness(1.12);
    transform: translateY(-2px);
}

.btn-sky:active {
    transform: translateY(0);
}

.btn-sky.secondary {
    background: rgba(255, 255, 255, .07);
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, .12);
}

.btn-sky.secondary:hover {
    background: rgba(255, 255, 255, .14);
}

/* ─── SHAKE ─── */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-6px);
    }

    40% {
        transform: translateX(6px);
    }

    60% {
        transform: translateX(-4px);
    }

    80% {
        transform: translateX(4px);
    }
}

#gameCanvas.shake {
    animation: shake .35s ease;
}

/* ─── SCROLLBAR ─── */
.modal::-webkit-scrollbar {
    width: 5px;
}

.modal::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, .2);
    border-radius: 3px;
}

.modal::-webkit-scrollbar-thumb {
    background: var(--ui-accent);
    color: #fff;
}

.records-title {
    text-align: center;
    font-size: 26px !important;
    margin-bottom: 24px !important;
}

.records-section {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 20px !important;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
}

.records-section h3 {
    margin-top: 0 !important;
    margin-bottom: 12px !important;
    font-size: 13px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    color: var(--ui-pale) !important;
}

.record-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.record-card {
    background: rgba(0, 119, 182, 0.08);
    border: 1px solid rgba(0, 119, 182, 0.15);
    padding: 14px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    transition: all 0.2s;
}

.record-card:hover {
    background: rgba(0, 119, 182, 0.12);
    transform: translateY(-2px);
}

.record-card.global {
    background: rgba(91, 200, 245, 0.08);
    border-color: rgba(91, 200, 245, 0.2);
}

.record-card.global:hover {
    background: rgba(91, 200, 245, 0.12);
}

.rc-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rc-value {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
}

.record-card.global .rc-value {
    color: var(--ui-pale);
}

.rc-message {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    font-style: italic;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
}

.connection-status {
    font-size: 11px;
    text-align: center;
    margin-top: 12px;
    color: var(--text-dim);
    font-style: italic;
    opacity: 0.7;
}

/* 🏆 Popup Record 🏆 */
#recordMessagePopup .modal {
    background: rgba(22, 22, 31, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 119, 182, 0.2);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}

#recordMessagePopup .modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--ui-accent), transparent);
}

#recordMessagePopup h2 {
    color: var(--ui-pale);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    text-shadow: 0 0 15px rgba(91, 200, 245, 0.4);
}

#recordMessagePopup p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-dim);
    margin-bottom: 24px;
}

.message-input-wrapper {
    margin-bottom: 30px;
    position: relative;
}

#recordMsgInput {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 16px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#recordMsgInput:focus {
    background: rgba(255, 255, 255, 0.06);
    border-bottom-color: var(--ui-accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.char-counter {
    position: absolute;
    bottom: -22px;
    right: 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

#saveRecordMsgBtn {
    background: linear-gradient(135deg, var(--ui-accent), #005f91);
    box-shadow: 0 8px 20px rgba(0, 119, 182, 0.3);
    border: none;
    color: white;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.2s;
}

#saveRecordMsgBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0, 119, 182, 0.4);
    filter: brightness(1.1);
}

@keyframes popIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}