/* Card Duel Sevens — Cyberpunk Neon Arcade (teal / hot-pink / electric-yellow) */

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

:root {
    /* Background — deep teal */
    --bg-deep:        #062028;
    --bg-mid:         #0d3447;
    --bg-light:       #103a4d;

    /* Neon accents */
    --neon-pink:      #ff2080;
    --neon-pink-soft: #ff66aa;
    --neon-yellow:    #ffd700;
    --neon-yellow-soft:#ffe45c;
    --neon-teal:      #19c8d6;
    --neon-teal-soft: #66e5ed;

    /* Cards */
    --card-bg-1:      #0a2630;
    --card-bg-2:      #103a4d;
    --card-red:       #ff5470;
    --card-black:     #e4f4f6;
    --card-back-1:    #1a0a2e;
    --card-back-2:    #2a0a4e;

    /* Text */
    --text-white:     #eaf6f8;
    --text-muted:     #5e8a9a;

    /* Sizing in rem */
    --r-card-w:       2.875rem;   /* 46px */
    --r-card-h:       4.125rem;   /* 66px */
    --r-card-radius:  0.4rem;
}

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background:
        radial-gradient(ellipse at 50% 0%,  #0a4356 0%, var(--bg-mid) 50%, var(--bg-deep) 100%),
        var(--bg-deep);
    min-height: calc(100dvh - 3.5rem);
    color: var(--text-white);
}

/* ============ SCANLINES BG ============ */
#scanlines {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(255, 32, 128, 0.04) 0px,
            rgba(255, 32, 128, 0.04) 1px,
            transparent 1px,
            transparent 3px
        ),
        radial-gradient(1px 1px at 20% 30%,  rgba(255, 32, 128, 0.5), transparent),
        radial-gradient(1px 1px at 70% 15%,  rgba(255, 215, 0, 0.45),  transparent),
        radial-gradient(1px 1px at 40% 70%,  rgba(25, 200, 214, 0.4), transparent),
        radial-gradient(1px 1px at 85% 55%,  rgba(255, 32, 128, 0.4), transparent),
        radial-gradient(2px 2px at 90% 25%,  rgba(255, 215, 0, 0.3),  transparent);
    background-repeat: repeat;
    background-size: auto, 320px 320px, 320px 320px, 320px 320px, 320px 320px, 320px 320px;
    animation: scanFlicker 6s ease-in-out infinite alternate;
}

@keyframes scanFlicker {
    0%   { opacity: 0.55; }
    50%  { opacity: 0.85; }
    100% { opacity: 0.65; }
}

/* ============ 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, 32, 128, 0.15);
    border-top-color: var(--neon-pink);
    border-radius: 50%;
    animation: spinAnim 1s linear infinite;
    box-shadow: 0 0 1.5rem rgba(255, 32, 128, 0.35);
}

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

#loading-screen p {
    margin-top: 1rem;
    color: var(--neon-pink);
    font-size: 0.95rem;
    letter-spacing: 0.06rem;
    text-transform: uppercase;
}

.login-content { text-align: center; }
.login-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.login-content h2 { color: var(--neon-yellow); margin-bottom: 0.5rem; letter-spacing: 0.1rem; }
.login-content p { color: var(--text-muted); }

/* ============ GAME CONTAINER ============ */
#game-container {
    width: 100%;
    max-width: 30rem;
    height: 100%;
    max-height: 56rem;
    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, 32, 128, 0.12) 0%, rgba(255, 215, 0, 0.06) 100%);
    border: 1px solid rgba(255, 32, 128, 0.4);
    border-radius: 1.25rem;
    padding: 0.4rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    box-shadow:
        0 0 1.2rem rgba(255, 32, 128, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.balance-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.04rem;
    text-transform: uppercase;
}

#balance-value {
    color: var(--neon-yellow);
    font-size: 1.25rem;
    font-weight: 700;
    min-width: 4.4rem;
    text-align: right;
    text-shadow: 0 0 0.6rem rgba(255, 215, 0, 0.6);
}

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

/* ============ PAYTABLE STRIP ============ */
.paytable-strip {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0.4rem 0.5rem;
    background:
        linear-gradient(180deg, #06212a 0%, #0a3142 100%) padding-box,
        linear-gradient(90deg, var(--neon-pink), var(--neon-yellow)) border-box;
    border: 1px solid transparent;
    border-radius: 0.6rem;
    margin-bottom: 0.2rem;
    box-shadow: 0 0 0.8rem rgba(255, 32, 128, 0.2);
}

.pay-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0 0.45rem;
}

.pay-name {
    color: var(--neon-teal-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
}

.pay-mult {
    color: var(--neon-yellow);
    font-size: 0.78rem;
    font-weight: 700;
    text-shadow: 0 0 0.4rem rgba(255, 215, 0, 0.5);
}

.pay-sep {
    width: 1px;
    height: 1rem;
    background: linear-gradient(to bottom, transparent, rgba(255, 32, 128, 0.45), transparent);
}

/* ============ DUEL TABLE ============ */
#duel-table {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 0.5rem;
    background:
        linear-gradient(180deg, #07232c 0%, #0d3a4d 50%, #07232c 100%) padding-box,
        linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-yellow) 50%, var(--neon-pink) 100%) border-box;
    border: 2px solid transparent;
    border-radius: 1rem;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.7),
        0 0 2rem rgba(255, 32, 128, 0.2),
        0 0 4rem rgba(255, 215, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    position: relative;
}

/* ============ HAND ROWS ============ */
.hand-row {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.3rem 0.2rem;
}

.hand-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.3rem;
}

.label-text {
    color: var(--neon-pink-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    text-shadow: 0 0 0.4rem rgba(255, 32, 128, 0.5);
}

.dealer-row .label-text { color: var(--neon-yellow-soft); }

.hand-eval {
    color: var(--neon-teal-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
}

.select-counter {
    color: var(--neon-pink);
    font-size: 0.75rem;
    font-weight: 700;
}

.select-counter #select-count {
    color: var(--neon-yellow);
    text-shadow: 0 0 0.4rem rgba(255, 215, 0, 0.5);
}

.hand-cards {
    display: flex;
    justify-content: center;
    gap: 0.3rem;
    flex-wrap: nowrap;
}

/* ============ VS STRIP ============ */
.vs-strip {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.2rem 0;
    border-top: 1px dashed rgba(255, 32, 128, 0.3);
    border-bottom: 1px dashed rgba(255, 215, 0, 0.25);
    margin: 0.2rem 0;
}

.vs-text {
    color: var(--neon-pink);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.25rem;
    text-shadow: 0 0 0.6rem rgba(255, 32, 128, 0.6);
}

/* ============ CARDS ============ */
.card {
    width: var(--r-card-w);
    height: var(--r-card-h);
    border-radius: var(--r-card-radius);
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1),
                box-shadow 0.25s ease;
    cursor: pointer;
    flex: 0 0 auto;
}

.card.flipped { transform: rotateY(180deg); }

.card.empty { opacity: 0.15; pointer-events: none; }

.card[data-owner="dealer"] {
    cursor: default;
}

.card-face {
    position: absolute;
    inset: 0;
    border-radius: var(--r-card-radius);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0.2rem;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    overflow: hidden;
}

/* Card front */
.card-front {
    background:
        linear-gradient(160deg, var(--card-bg-2) 0%, var(--card-bg-1) 100%);
    border: 1px solid rgba(25, 200, 214, 0.35);
    box-shadow:
        inset 0 0 0.5rem rgba(0, 0, 0, 0.5),
        0 0 0.3rem rgba(25, 200, 214, 0.15);
}

.card.red .card-front {
    color: var(--card-red);
}

.card.black .card-front {
    color: var(--card-black);
}

.card-rank-top,
.card-rank-bottom {
    font-size: 0.85rem;
    font-weight: 800;
    line-height: 1;
    align-self: flex-start;
    text-shadow: 0 0 0.25rem rgba(0, 0, 0, 0.6);
}

.card-rank-bottom {
    align-self: flex-end;
    transform: rotate(180deg);
}

.card-suit-center {
    font-size: 1.4rem;
    text-shadow: 0 0 0.4rem rgba(0, 0, 0, 0.7);
}

/* Card back */
.card-back {
    background:
        repeating-linear-gradient(45deg,
            var(--card-back-1) 0,
            var(--card-back-1) 4px,
            var(--card-back-2) 4px,
            var(--card-back-2) 8px);
    border: 1px solid rgba(255, 32, 128, 0.5);
    box-shadow:
        inset 0 0 0.5rem rgba(0, 0, 0, 0.6),
        0 0 0.4rem rgba(255, 32, 128, 0.2);
    transform: rotateY(180deg);
    color: var(--neon-pink);
}

.card-back-pattern {
    font-size: 1.5rem;
    color: var(--neon-pink);
    text-shadow: 0 0 0.5rem rgba(255, 32, 128, 0.7);
}

/* Sevens highlight on front */
.card.is-seven .card-front {
    border-color: var(--neon-yellow);
    box-shadow:
        inset 0 0 0.6rem rgba(255, 215, 0, 0.25),
        0 0 0.6rem rgba(255, 215, 0, 0.35);
}

.card.is-seven .card-suit-center,
.card.is-seven .card-rank-top,
.card.is-seven .card-rank-bottom {
    color: var(--neon-yellow);
    text-shadow: 0 0 0.5rem rgba(255, 215, 0, 0.75);
}

/* Selected state — pink halo */
.card.selected {
    transform: translateY(-0.4rem) scale(1.04);
    box-shadow:
        0 0 0.8rem rgba(255, 32, 128, 0.9),
        0 0 1.6rem rgba(255, 32, 128, 0.6),
        0 0 2.4rem rgba(255, 32, 128, 0.3);
    z-index: 5;
}

.card.selected .card-front {
    border-color: var(--neon-pink);
}

/* Best dealer cards */
.card.best {
    box-shadow:
        0 0 0.8rem rgba(255, 215, 0, 0.85),
        0 0 1.6rem rgba(255, 215, 0, 0.4);
}

.card.best .card-front {
    border-color: var(--neon-yellow);
}

/* Dim non-winning / non-selected */
.card.dim {
    opacity: 0.4;
    filter: grayscale(0.4);
}

/* Locked — disable hover */
.card.locked {
    cursor: default;
}

/* Win highlight pulse */
.card.win {
    animation: cardWinPulse 0.8s ease-in-out infinite;
}

@keyframes cardWinPulse {
    0%, 100% {
        box-shadow:
            0 0 0.8rem rgba(255, 32, 128, 0.9),
            0 0 1.6rem rgba(255, 215, 0, 0.5);
        transform: translateY(-0.4rem) scale(1.04);
    }
    50% {
        box-shadow:
            0 0 1.4rem rgba(255, 215, 0, 1),
            0 0 2.4rem rgba(255, 32, 128, 0.7);
        transform: translateY(-0.6rem) scale(1.08);
    }
}

/* Shake on over-select attempt */
.card.shake {
    animation: cardShake 0.3s ease;
}

@keyframes cardShake {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-0.3rem); }
    75%      { transform: translateX(0.3rem); }
}

/* ============ RESULT DISPLAY ============ */
#result-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(160deg, rgba(6, 32, 40, 0.97) 0%, rgba(13, 52, 71, 0.97) 100%);
    padding: 1rem 1.8rem;
    border-radius: 0.8rem;
    border: 1px solid var(--neon-pink);
    box-shadow:
        0 0 0 1px rgba(255, 32, 128, 0.2),
        0 0 3rem rgba(255, 32, 128, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    z-index: 100;
    text-align: center;
    animation: resultPopup 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-width: 12rem;
}

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

#result-display.win  { border-color: var(--neon-yellow); box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.3), 0 0 3rem rgba(255, 215, 0, 0.5); }
#result-display.push { border-color: var(--neon-teal); }
#result-display.loss { border-color: rgba(255, 32, 128, 0.5); }

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

.result-label {
    display: block;
    color: var(--neon-pink-soft);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
    opacity: 0.95;
}

#result-display.win .result-label { color: var(--neon-yellow-soft); }

.result-amount {
    display: block;
    color: var(--neon-yellow);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 0 1.2rem rgba(255, 215, 0, 0.7);
}

#result-display.loss .result-amount { color: var(--text-muted); text-shadow: none; }
#result-display.push .result-amount { color: var(--neon-teal-soft); text-shadow: 0 0 0.6rem rgba(25, 200, 214, 0.5); }

/* ============ JACKPOT BANNER ============ */
#jackpot-banner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background:
        linear-gradient(135deg, rgba(255, 32, 128, 0.95) 0%, rgba(255, 215, 0, 0.95) 100%);
    padding: 1.4rem 2.5rem;
    border-radius: 1rem;
    border: 3px solid var(--neon-yellow);
    box-shadow:
        0 0 0 0.3rem rgba(255, 215, 0, 0.3),
        0 0 4rem rgba(255, 32, 128, 0.8),
        0 0 6rem rgba(255, 215, 0, 0.6);
    z-index: 200;
    text-align: center;
    animation: jackpotShake 0.5s ease-in-out infinite alternate;
}

#jackpot-banner.hidden { display: none; }

.jackpot-7s {
    display: block;
    color: #fff;
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 0.6rem;
    text-shadow:
        0 0 0.8rem #fff,
        0 0 1.6rem var(--neon-yellow),
        0 0 2.4rem var(--neon-pink);
    line-height: 1;
}

.jackpot-text {
    display: block;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.3rem;
    margin-top: 0.4rem;
    text-shadow: 0 0 0.8rem #fff, 0 0 1.6rem var(--neon-pink);
}

@keyframes jackpotShake {
    0%   { transform: translate(-50%, -50%) scale(1)    rotate(-1deg); }
    100% { transform: translate(-50%, -50%) scale(1.04) rotate(1deg); }
}

/* ============ MESSAGE DISPLAY ============ */
#message-display {
    position: absolute;
    bottom: 12rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(6, 32, 40, 0.95);
    padding: 0.5rem 1.4rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 32, 128, 0.4);
    z-index: 100;
    white-space: nowrap;
}

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

#message-text {
    color: var(--text-white);
    font-size: 0.85rem;
}

/* ============ 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: 0.07rem;
    text-transform: uppercase;
}

.bet-buttons { display: flex; gap: 0.4rem; }

.bet-btn {
    width: 3rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 32, 128, 0.3);
    border-radius: 0.4rem;
    color: rgba(234, 246, 248, 0.7);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.bet-btn:hover:not(:disabled) {
    border-color: var(--neon-pink);
    color: var(--text-white);
    background: rgba(255, 32, 128, 0.08);
}

.bet-btn.active {
    background: linear-gradient(160deg, var(--neon-pink) 0%, var(--neon-yellow) 100%);
    color: #04031a;
    border-color: var(--neon-yellow);
    box-shadow: 0 2px 0.8rem rgba(255, 32, 128, 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, 215, 0, 0.3);
}

#current-bet-value {
    color: var(--neon-yellow);
    font-size: 1rem;
    font-weight: 700;
    text-shadow: 0 0 0.4rem rgba(255, 215, 0, 0.5);
}

/* ============ ACTION BUTTONS ============ */
#action-buttons {
    display: flex;
    gap: 0.6rem;
    margin: 0.4rem 0;
}

.action-btn {
    width: 8rem;
    height: 2.9rem;
    border-radius: 1.6rem;
    cursor: pointer;
    transition: all 0.18s ease;
    border: 1px solid transparent;
}

.deal-btn {
    background: linear-gradient(160deg, var(--neon-pink) 0%, #c91560 55%, var(--neon-pink) 100%);
    border-color: rgba(255, 102, 170, 0.55);
    box-shadow:
        0 4px 1.2rem rgba(255, 32, 128, 0.5),
        0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.deal-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 1.8rem rgba(255, 32, 128, 0.7);
}

.play-btn {
    background: linear-gradient(160deg, var(--neon-yellow) 0%, #b8860b 55%, var(--neon-yellow) 100%);
    border-color: rgba(255, 228, 92, 0.55);
    box-shadow:
        0 4px 1.2rem rgba(255, 215, 0, 0.5),
        0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.play-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 1.8rem rgba(255, 215, 0, 0.7);
}

.action-btn:active:not(:disabled) {
    transform: translateY(0);
}

.action-btn:disabled {
    background: linear-gradient(160deg, #1e2a34 0%, #14181f 100%);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: none;
    cursor: not-allowed;
}

.action-text {
    color: #04031a;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.2rem;
}

.action-btn:disabled .action-text { color: #555; }

/* ============ GAME TITLE ============ */
.game-title {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.25rem 0 0.4rem;
}

.title-main {
    color: rgba(234, 246, 248, 0.4);
    font-size: 0.7rem;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
}

.title-accent {
    color: var(--neon-pink);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.2rem;
    text-shadow: 0 0 0.8rem rgba(255, 32, 128, 0.6);
}

/* ============ PARTICLES ============ */
#particles-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
}

.particle {
    position: absolute;
    font-size: 1.25rem;
    animation: particleFall 2s ease-out forwards;
    text-shadow: 0 0 0.4rem rgba(255, 32, 128, 0.5);
}

.particle.jackpot {
    font-size: 1.7rem;
    text-shadow: 0 0 0.6rem var(--neon-yellow);
}

@keyframes particleFall {
    0%   { opacity: 1; transform: translateY(0) rotate(0deg) scale(1); }
    100% { opacity: 0; transform: translateY(80vh) rotate(540deg) scale(0.3); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 25rem) {
    :root {
        --r-card-w: 2.4rem;
        --r-card-h: 3.4rem;
    }
    .card-suit-center { font-size: 1.1rem; }
    .card-rank-top,
    .card-rank-bottom { font-size: 0.7rem; }
    .bet-btn { width: 2.6rem; height: 1.8rem; font-size: 0.72rem; }
    .action-btn { width: 7rem; height: 2.6rem; }
    .action-text { font-size: 0.9rem; letter-spacing: 0.15rem; }
    .hand-cards { gap: 0.2rem; }
    .pay-name { font-size: 0.62rem; }
    .pay-mult { font-size: 0.7rem; }
    .pay-item { padding: 0 0.3rem; }
}

@media (max-height: 44rem) {
    :root {
        --r-card-h: 3.6rem;
    }
    .vs-strip { padding: 0.05rem 0; }
    #duel-table { padding: 0.4rem 0.5rem; gap: 0.25rem; }
    .hand-row { padding: 0.15rem 0.2rem; }
}