/* Color Tap Rush — Retro 80s Synthwave */

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

:root {
    /* Synthwave palette */
    --bg-deep:        #1a0d2e;
    --bg-mid:         #2a1448;
    --bg-light:       #3a1a5e;

    --neon-pink:      #ff2bd6;
    --neon-purple:    #b14bff;
    --neon-cyan:      #00e5ff;
    --neon-orange:    #ff8a3d;
    --neon-gold:      #ffd166;

    /* Pad colors */
    --pad-red:        #ff4d6d;
    --pad-red-dim:    #6a1a28;
    --pad-green:      #39ff8e;
    --pad-green-dim:  #14552f;
    --pad-blue:       #3aa8ff;
    --pad-blue-dim:   #14365a;
    --pad-yellow:     #ffd166;
    --pad-yellow-dim: #5a4416;

    --text-white:     #eaf6ff;
    --text-muted:     #a98fd6;

    /* Sizing in rem */
    --rd-xs: 0.25rem;
    --rd-sm: 0.5rem;
    --rd-md: 0.75rem;
    --rd-lg: 1rem;
    --rd-xl: 1.5rem;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-light) 100%);
    color: var(--text-white);
    min-height: calc(100dvh - 3.5rem);
    position: relative;
}

/* ============ SYNTHWAVE BACKGROUND ============ */
#synth-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.synth-sun {
    position: absolute;
    left: 50%;
    bottom: 30%;
    width: 28rem;
    height: 28rem;
    transform: translateX(-50%);
    background:
        radial-gradient(circle at 50% 50%,
            var(--neon-gold) 0%,
            var(--neon-orange) 30%,
            var(--neon-pink) 70%,
            transparent 80%);
    border-radius: 50%;
    opacity: 0.55;
    filter: blur(0.5rem);
}

.synth-stripes {
    position: absolute;
    left: 50%;
    bottom: 30%;
    width: 28rem;
    height: 28rem;
    transform: translateX(-50%);
    background:
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent 0.8rem,
            var(--bg-deep) 0.8rem,
            var(--bg-deep) 1.1rem
        );
    border-radius: 50%;
    mix-blend-mode: multiply;
}

.synth-grid {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 50%;
    background:
        linear-gradient(to top,
            rgba(255, 43, 214, 0.3) 0%,
            rgba(255, 43, 214, 0.0) 60%),
        repeating-linear-gradient(
            to right,
            transparent 0,
            transparent 4rem,
            rgba(255, 43, 214, 0.35) 4rem,
            rgba(255, 43, 214, 0.35) calc(4rem + 1px)
        ),
        repeating-linear-gradient(
            to top,
            transparent 0,
            transparent 1.5rem,
            rgba(0, 229, 255, 0.25) 1.5rem,
            rgba(0, 229, 255, 0.25) calc(1.5rem + 1px)
        );
    transform: perspective(20rem) rotateX(60deg);
    transform-origin: bottom;
    opacity: 0.7;
}

/* ============ CRT SCANLINES OVERLAY ============ */
#scanlines {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.0) 0,
            rgba(0, 0, 0, 0.0) 2px,
            rgba(0, 0, 0, 0.15) 2px,
            rgba(0, 0, 0, 0.15) 3px
        );
    mix-blend-mode: multiply;
}

/* ============ SCREENS ============ */
.screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--bg-deep);
    color: var(--text-white);
    z-index: 1000;
}

.screen.hidden { display: none; }

.loading-spinner {
    width: 3.25rem;
    height: 3.25rem;
    border: 0.2rem solid rgba(255, 43, 214, 0.15);
    border-top-color: var(--neon-pink);
    border-radius: 50%;
    animation: spinAnim 1s linear infinite;
}

@keyframes spinAnim { to { transform: rotate(360deg); } }

#loading-screen p {
    margin-top: 1rem;
    color: var(--neon-pink);
    font-size: 0.95rem;
    letter-spacing: 0.1rem;
}

.login-content { text-align: center; }
.login-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.login-content h2 { color: var(--neon-cyan); margin-bottom: 0.5rem; }
.login-content p { color: var(--text-muted); }

/* ============ GAME CONTAINER ============ */
#game-container {
    width: 100%;
    max-width: 28.75rem;
    height: 100%;
    max-height: 51.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.75rem;
    position: relative;
    z-index: 1;
}

#game-container.hidden { display: none; }

/* ============ HEADER ============ */
#game-header {
    width: 100%;
    padding: 0.4rem 0;
    display: flex;
    justify-content: center;
}

.balance-display {
    background: linear-gradient(180deg, rgba(255, 43, 214, 0.15) 0%, rgba(0, 229, 255, 0.08) 100%);
    border: 1px solid rgba(255, 43, 214, 0.5);
    border-radius: 1.25rem;
    padding: 0.45rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    box-shadow: 0 0 1.2rem rgba(255, 43, 214, 0.25);
}

.balance-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.05rem;
}

#balance-value {
    color: var(--neon-cyan);
    font-size: 1.25rem;
    font-weight: 700;
    min-width: 4.5rem;
    text-align: right;
    text-shadow: 0 0 0.6rem rgba(0, 229, 255, 0.6);
}

.balance-currency { color: var(--neon-pink); font-size: 0.7rem; }

/* ============ PROGRESS STRIP ============ */
.progress-strip {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.5rem;
    background:
        linear-gradient(180deg, rgba(10, 5, 32, 0.85) 0%, rgba(20, 10, 48, 0.85) 100%) padding-box,
        linear-gradient(90deg, var(--neon-pink), var(--neon-purple) 50%, var(--neon-cyan)) border-box;
    border: 1px solid transparent;
    border-radius: 0.65rem;
    margin-top: 0.4rem;
}

.progress-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    gap: 0.1rem;
}

.progress-label {
    color: var(--text-muted);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
}

.progress-value {
    color: var(--text-white);
    font-size: 0.95rem;
    font-weight: 700;
    text-shadow: 0 0 0.4rem rgba(0, 229, 255, 0.4);
}

.progress-value.mult {
    color: var(--neon-gold);
    text-shadow: 0 0 0.5rem rgba(255, 209, 102, 0.6);
}

.progress-value.cash {
    color: var(--neon-pink);
    text-shadow: 0 0 0.5rem rgba(255, 43, 214, 0.6);
}

.progress-sep {
    width: 1px;
    height: 1.8rem;
    background: linear-gradient(to bottom, transparent, rgba(255, 43, 214, 0.45), transparent);
}

/* ============ PLAY AREA (PADS) ============ */
#play-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 0.75rem 0.5rem;
    position: relative;
}

.pad-grid {
    width: 100%;
    max-width: 22rem;
    aspect-ratio: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.75rem;
    padding: 0.75rem;
    background:
        linear-gradient(160deg, rgba(8, 4, 24, 0.7) 0%, rgba(18, 10, 48, 0.7) 100%) padding-box,
        linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 45%, var(--neon-cyan) 100%) border-box;
    border: 2px solid transparent;
    border-radius: 1.25rem;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.8),
        0 0 2.5rem rgba(255, 43, 214, 0.25),
        0 0 5rem rgba(177, 75, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.pad {
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-radius: 0.85rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
    position: relative;
    overflow: hidden;
    outline: none;
    padding: 0;
}

.pad::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.pad.active::after { opacity: 1; }

/* RED */
.pad-red {
    background: linear-gradient(160deg, var(--pad-red-dim) 0%, #2a0c14 100%);
    border-color: rgba(255, 77, 109, 0.35);
}
.pad-red.active {
    background: linear-gradient(160deg, var(--pad-red) 0%, #ff7a93 100%);
    border-color: var(--pad-red);
    box-shadow:
        0 0 1.8rem rgba(255, 77, 109, 0.8),
        0 0 3.5rem rgba(255, 77, 109, 0.5),
        inset 0 0 1rem rgba(255, 255, 255, 0.35);
    transform: scale(0.97);
}

/* GREEN */
.pad-green {
    background: linear-gradient(160deg, var(--pad-green-dim) 0%, #0a2818 100%);
    border-color: rgba(57, 255, 142, 0.35);
}
.pad-green.active {
    background: linear-gradient(160deg, var(--pad-green) 0%, #8effbf 100%);
    border-color: var(--pad-green);
    box-shadow:
        0 0 1.8rem rgba(57, 255, 142, 0.8),
        0 0 3.5rem rgba(57, 255, 142, 0.5),
        inset 0 0 1rem rgba(255, 255, 255, 0.35);
    transform: scale(0.97);
}

/* BLUE */
.pad-blue {
    background: linear-gradient(160deg, var(--pad-blue-dim) 0%, #0a1c30 100%);
    border-color: rgba(58, 168, 255, 0.35);
}
.pad-blue.active {
    background: linear-gradient(160deg, var(--pad-blue) 0%, #8ecbff 100%);
    border-color: var(--pad-blue);
    box-shadow:
        0 0 1.8rem rgba(58, 168, 255, 0.8),
        0 0 3.5rem rgba(58, 168, 255, 0.5),
        inset 0 0 1rem rgba(255, 255, 255, 0.35);
    transform: scale(0.97);
}

/* YELLOW */
.pad-yellow {
    background: linear-gradient(160deg, var(--pad-yellow-dim) 0%, #2a210a 100%);
    border-color: rgba(255, 209, 102, 0.35);
}
.pad-yellow.active {
    background: linear-gradient(160deg, var(--pad-yellow) 0%, #ffe6a3 100%);
    border-color: var(--pad-yellow);
    box-shadow:
        0 0 1.8rem rgba(255, 209, 102, 0.8),
        0 0 3.5rem rgba(255, 209, 102, 0.5),
        inset 0 0 1rem rgba(255, 255, 255, 0.35);
    transform: scale(0.97);
}

.pad:not(.disabled):not(.active):hover {
    filter: brightness(1.4);
}

.pad.disabled {
    cursor: not-allowed;
    filter: brightness(0.65) saturate(0.8);
}

.pad.error {
    animation: padError 0.55s ease;
    border-color: var(--pad-red) !important;
    box-shadow: 0 0 1.5rem rgba(255, 77, 109, 0.8) !important;
}

@keyframes padError {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-0.4rem); }
    40% { transform: translateX(0.4rem); }
    60% { transform: translateX(-0.3rem); }
    80% { transform: translateX(0.3rem); }
}

.pad.success {
    animation: padSuccess 0.55s ease;
    border-color: var(--neon-cyan) !important;
    box-shadow:
        0 0 1.8rem rgba(0, 229, 255, 0.7),
        0 0 3rem rgba(255, 43, 214, 0.5) !important;
}

@keyframes padSuccess {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.04); filter: brightness(1.5); }
}

/* ============ PHASE INDICATOR ============ */
#phase-indicator {
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(8, 4, 24, 0.85);
    padding: 0.3rem 0.85rem;
    border-radius: 0.4rem;
    border: 1px solid rgba(0, 229, 255, 0.4);
    z-index: 10;
    white-space: nowrap;
}

#phase-indicator.hidden { display: none; }

#phase-text {
    color: var(--neon-cyan);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    text-shadow: 0 0 0.5rem rgba(0, 229, 255, 0.6);
}

/* ============ RESULT DISPLAY ============ */
#result-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(160deg, rgba(8, 4, 24, 0.97) 0%, rgba(28, 10, 56, 0.97) 100%);
    padding: 1.25rem 2.25rem;
    border-radius: 1rem;
    border: 1px solid var(--neon-pink);
    box-shadow:
        0 0 0 1px rgba(255, 43, 214, 0.25),
        0 0 3.5rem rgba(255, 43, 214, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    z-index: 200;
    text-align: center;
    animation: resultPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    min-width: 14rem;
}

#result-display.hidden { display: none; }

@keyframes resultPop {
    0%   { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
    100% { transform: translate(-50%, -50%) scale(1);   opacity: 1; }
}

.result-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.result-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
}

.result-title.win { color: var(--neon-gold); text-shadow: 0 0 0.7rem rgba(255, 209, 102, 0.7); }
.result-title.lose { color: var(--pad-red); text-shadow: 0 0 0.7rem rgba(255, 77, 109, 0.7); }

.result-amount {
    color: var(--neon-cyan);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
    text-shadow: 0 0 1rem rgba(0, 229, 255, 0.6);
}

/* ============ MESSAGE DISPLAY ============ */
#message-display {
    position: absolute;
    bottom: 12rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(6, 3, 22, 0.94);
    padding: 0.5rem 1.4rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 43, 214, 0.5);
    z-index: 300;
    white-space: nowrap;
}

#message-display.hidden { display: none; }

#message-text {
    color: var(--text-white);
    font-size: 0.82rem;
    letter-spacing: 0.04rem;
}

/* ============ BET CONTROLS ============ */
#bet-controls {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0.25rem;
    flex-wrap: wrap;
}

.bet-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
}

.bet-buttons { display: flex; gap: 0.35rem; }

.bet-btn {
    width: 3rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 43, 214, 0.35);
    border-radius: 0.4rem;
    color: rgba(234, 246, 255, 0.65);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.bet-btn:hover:not(:disabled) {
    border-color: var(--neon-pink);
    color: var(--text-white);
    background: rgba(255, 43, 214, 0.1);
}

.bet-btn.active {
    background: linear-gradient(160deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
    color: #14041a;
    border-color: var(--neon-pink);
    box-shadow: 0 2px 0.75rem rgba(255, 43, 214, 0.5);
}

.bet-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.current-bet {
    background: rgba(0, 0, 0, 0.35);
    padding: 0.25rem 0.85rem;
    border-radius: 0.4rem;
    border: 1px solid rgba(255, 43, 214, 0.3);
}

#current-bet-value {
    color: var(--neon-pink);
    font-size: 1rem;
    font-weight: 700;
}

/* ============ ACTION BUTTONS ============ */
#action-row {
    width: 100%;
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    padding: 0.4rem 0.25rem;
}

.action-button {
    flex: 1;
    max-width: 11rem;
    height: 3.25rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.65rem;
    cursor: pointer;
    transition: all 0.18s ease;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
}

.start-btn {
    background: linear-gradient(160deg, var(--neon-cyan) 0%, var(--neon-purple) 55%, var(--neon-pink) 100%);
    color: #04031a;
    box-shadow:
        0 0.25rem 1.4rem rgba(0, 229, 255, 0.45),
        0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.start-btn:hover:not(:disabled) {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.5rem 2rem rgba(177, 75, 255, 0.6);
}

.start-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0.125rem 0.7rem rgba(0, 229, 255, 0.3);
}

.start-btn.pulse:not(:disabled) {
    animation: startPulse 1.6s ease-in-out infinite;
}

@keyframes startPulse {
    0%, 100% { box-shadow: 0 0.25rem 1.4rem rgba(0, 229, 255, 0.45); }
    50%      { box-shadow: 0 0.25rem 2.5rem rgba(255, 43, 214, 0.85); }
}

.cashout-btn {
    background: linear-gradient(160deg, #4a2a14 0%, #2a1a14 100%);
    color: rgba(255, 209, 102, 0.45);
    border-color: rgba(255, 209, 102, 0.15);
    cursor: not-allowed;
}

.cashout-btn.active:not(:disabled) {
    background: linear-gradient(160deg, var(--neon-gold) 0%, var(--neon-orange) 60%, var(--neon-pink) 100%);
    color: #14041a;
    border-color: var(--neon-gold);
    cursor: pointer;
    box-shadow:
        0 0.25rem 1.6rem rgba(255, 209, 102, 0.55),
        0 1px 0 rgba(255, 255, 255, 0.2) inset;
    animation: cashoutPulse 1.6s ease-in-out infinite;
}

.cashout-btn.active:hover:not(:disabled) {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.5rem 2.2rem rgba(255, 138, 61, 0.7);
}

@keyframes cashoutPulse {
    0%, 100% { filter: brightness(1); }
    50%      { filter: brightness(1.18); }
}

.action-button:disabled {
    opacity: 0.5;
}

.cashout-amount {
    font-size: 0.75rem;
    letter-spacing: 0.05rem;
    opacity: 0.85;
}

/* ============ GAME TITLE ============ */
.game-title {
    width: 100%;
    text-align: center;
    padding: 0.4rem 0 0.2rem;
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.25rem;
    text-transform: uppercase;
}

.title-color { color: var(--neon-pink); text-shadow: 0 0 0.6rem rgba(255, 43, 214, 0.7); }
.title-tap   { color: var(--neon-cyan); text-shadow: 0 0 0.6rem rgba(0, 229, 255, 0.7); }
.title-rush  { color: var(--neon-gold); text-shadow: 0 0 0.6rem rgba(255, 209, 102, 0.7); }

/* ============ RESPONSIVE ============ */
@media (max-width: 380px) {
    html, body { font-size: 14px; }
    .pad-grid { max-width: 19rem; }
    .progress-label { font-size: 0.55rem; }
    .progress-value { font-size: 0.85rem; }
}

@media (max-height: 700px) {
    .pad-grid { max-width: 18rem; }
    .synth-sun, .synth-stripes { width: 22rem; height: 22rem; }
}