:root {
    --bg-0: #070512;
    --bg-1: #0d0a1f;
    --bg-2: #120d2b;
    --text: #e8e6ff;
    --muted: #8b86b8;
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff2bd6;
    --neon-purple: #8a2bff;
    --neon-green: #39ff88;
    --neon-yellow: #f7e733;
    --danger: #ff4d6d;
    --border: rgba(255, 255, 255, 0.08);
}

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

html, body { height: 100%; }

body {
    font-family: 'Rajdhani', system-ui, sans-serif;
    color: var(--text);
    background: radial-gradient(ellipse at top, var(--bg-2), var(--bg-0) 60%);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 1rem 2rem;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
}

.bg-grid {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(138, 43, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
}

.bg-glow {
    position: fixed; z-index: 0; pointer-events: none;
    width: 520px; height: 520px; border-radius: 50%;
    filter: blur(120px); opacity: 0.55;
    animation: float 14s ease-in-out infinite;
}
.glow-1 { background: var(--neon-magenta); top: -120px; left: -120px; }
.glow-2 { background: var(--neon-cyan); bottom: -160px; right: -120px; animation-delay: -4s; }
.glow-3 { background: var(--neon-purple); top: 40%; left: 50%; transform: translate(-50%, -50%); opacity: 0.35; animation-delay: -8s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(30px, -40px) scale(1.08); }
}

.card {
    position: relative; z-index: 1;
    width: 100%; max-width: 480px;
    background: linear-gradient(160deg, rgba(18, 13, 43, 0.85), rgba(9, 7, 24, 0.9));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2.2rem 2rem;
    backdrop-filter: blur(14px);
    box-shadow: 0 0 0 1px rgba(138, 43, 255, 0.25), 0 20px 60px rgba(0, 0, 0, 0.6);
}
.card::before {
    content: ""; position: absolute; inset: -1px; border-radius: 18px; padding: 1px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple), var(--neon-green));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    opacity: 0.9; pointer-events: none;
    animation: borderShift 6s linear infinite;
    background-size: 300% 300%;
}
@keyframes borderShift {
    0%   { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

.card-header { text-align: center; margin-bottom: 1.5rem; }
.logo { font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 1.4rem; letter-spacing: 2px; display: inline-flex; gap: .4rem; }
.logo-bracket { color: var(--neon-cyan); text-shadow: 0 0 10px var(--neon-cyan); }
.logo-text { background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-accent { background: linear-gradient(90deg, var(--neon-green), var(--neon-yellow)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.title {
    font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 1.6rem;
    margin-top: .8rem; letter-spacing: 3px;
    color: #f7f5ff;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
}
.subtitle { color: var(--muted); margin-top: .35rem; letter-spacing: 1px; }
.portal-link { margin-top: .8rem; color: var(--muted); font-size: .92rem; }
.portal-link a {
    color: var(--neon-green);
    text-decoration: none;
    font-weight: 700;
}
.portal-link a:hover { text-shadow: 0 0 10px rgba(57, 255, 136, 0.55); }

.live-panel {
    margin-bottom: 1.4rem;
    padding: 1rem 1rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(160deg, rgba(0, 240, 255, 0.08), rgba(255, 43, 214, 0.08));
    box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.03);
}

.live-panel-label {
    color: var(--muted);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.live-panel-title {
    display: block;
    margin-top: .2rem;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 2px;
    color: var(--neon-cyan);
}

.progress-bar {
    margin: .8rem 0 .9rem;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.progress-bar span {
    display: block;
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green), var(--neon-yellow));
    box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
    transition: width .3s ease;
}

.player-preview {
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.preview-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
}

.preview-meta {
    color: #c7c3ef;
    font-size: .9rem;
    line-height: 1.45;
}

.form { display: flex; flex-direction: column; gap: 1rem; margin-top: .5rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }

label { font-weight: 600; letter-spacing: 1px; font-size: .85rem; color: #c7c3ef; text-transform: uppercase; }

input, select {
    width: 100%; padding: .75rem .9rem; font: inherit; color: var(--text);
    background: rgba(7, 5, 18, 0.7);
    border: 1px solid var(--border); border-radius: 10px;
    outline: none; transition: border-color .2s, box-shadow .2s, background .2s;
}
input::placeholder { color: #5a5680; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--neon-cyan) 50%), linear-gradient(135deg, var(--neon-cyan) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 2rem; }
input:focus, select:focus { border-color: var(--neon-cyan); box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.18), 0 0 18px rgba(0, 240, 255, 0.25); }
input.invalid, select.invalid, .chips.invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.18); }

.hint { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: .5px; font-size: .75rem; margin-left: .3rem; }

.selection-note {
    color: var(--muted);
    font-size: .8rem;
    letter-spacing: .4px;
}

.delivery-note {
    color: var(--neon-green);
    font-size: .78rem;
    letter-spacing: .3px;
}

.chips {
    display: flex; flex-wrap: wrap; gap: .5rem;
    padding: .6rem; border: 1px solid var(--border); border-radius: 10px;
    background: rgba(7, 5, 18, 0.7); transition: border-color .2s, box-shadow .2s;
}
.chip {
    --chip-color: var(--neon-cyan);
    --chip-color-2: var(--neon-magenta);
    font: inherit; font-weight: 700; letter-spacing: .5px;
    padding: .45rem .9rem; border-radius: 999px; cursor: pointer;
    background: rgba(255, 255, 255, 0.04); color: var(--chip-color);
    border: 2px solid var(--chip-color);
    box-shadow: 0 0 10px color-mix(in srgb, var(--chip-color) 35%, transparent), inset 0 0 8px color-mix(in srgb, var(--chip-color) 18%, transparent);
    transition: transform .15s, background .2s, box-shadow .25s, color .2s;
}
.chip:hover {
    color: #0a0618;
    background: var(--chip-color);
    box-shadow: 0 0 14px var(--chip-color), 0 0 24px color-mix(in srgb, var(--chip-color) 55%, transparent);
}
.chip.selected {
    background: linear-gradient(135deg, var(--chip-color), var(--chip-color-2));
    color: #0a0618; border-color: transparent;
    box-shadow: 0 0 16px var(--chip-color), 0 0 26px color-mix(in srgb, var(--chip-color-2) 55%, transparent);
}
.chip:active { transform: scale(.96); }

.chip[data-value="impostor"]      { --chip-color: var(--neon-cyan);    --chip-color-2: var(--neon-purple); }
.chip[data-value="nba"]           { --chip-color: #ff7a3d;             --chip-color-2: var(--neon-yellow); }
.chip[data-value="mario-kart"]    { --chip-color: var(--neon-green);   --chip-color-2: var(--neon-yellow); }
.chip[data-value="mortal-kombat"] { --chip-color: var(--danger);       --chip-color-2: var(--neon-magenta); }
.chip[data-value="smash-bros"]    { --chip-color: var(--neon-magenta); --chip-color-2: var(--neon-purple); }

.password-wrapper { position: relative; }
.password-wrapper input { padding-right: 2.6rem; }
.toggle-pass { position: absolute; right: .5rem; top: 50%; transform: translateY(-50%); background: transparent; border: 0; color: var(--muted); cursor: pointer; font-size: 1.1rem; }
.toggle-pass:hover { color: var(--neon-cyan); }

.strength { height: 6px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.strength span { display: block; height: 100%; width: 0%; background: var(--danger); transition: width .25s, background .25s; }

.error { color: var(--danger); font-size: .8rem; min-height: 1em; letter-spacing: .5px; }

.checkbox { display: flex; align-items: center; gap: .75rem; font-size: .9rem; color: var(--muted); cursor: pointer; user-select: none; }
.checkbox input { position: absolute; opacity: 0; pointer-events: none; }
.checkbox .box {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(0, 240, 255, 0.45);
    border-radius: 6px;
    background: rgba(7, 5, 18, 0.95);
    display: inline-grid;
    place-items: center;
    transition: all .2s;
    flex-shrink: 0;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.checkbox input:checked + .box { background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta)); border-color: transparent; box-shadow: 0 0 14px rgba(255, 43, 214, 0.45); }
.checkbox input:checked + .box::after { content: "✓"; color: #0a0618; font-weight: 900; font-size: .95rem; }
.checkbox input:focus-visible + .box { box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.18), inset 0 0 0 1px rgba(255, 255, 255, 0.04); }
.checkbox a { color: var(--neon-cyan); text-decoration: none; }
.checkbox a:hover { text-shadow: 0 0 8px var(--neon-cyan); }

.agreement-box {
    align-items: flex-start;
    padding: .95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
}

.agreement-copy {
    display: flex;
    flex-direction: column;
    gap: .2rem;
    line-height: 1.4;
}

.agreement-copy strong {
    color: #f2f0ff;
    font-size: .95rem;
    letter-spacing: .4px;
}

.legal-copy {
    font-size: .88rem;
    line-height: 1.55;
    color: #bdb8e6;
    padding: .9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
}

.legal-copy:target {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.16);
}

.btn-submit {
    position: relative; margin-top: .5rem; padding: .9rem 1rem;
    font-family: 'Orbitron', sans-serif; font-weight: 700; letter-spacing: 3px; font-size: 1rem;
    color: #0a0618; cursor: pointer; border: 0; border-radius: 10px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green), var(--neon-yellow), var(--neon-magenta), var(--neon-purple), var(--neon-cyan));
    background-size: 300% 100%;
    transition: transform .15s, box-shadow .25s, background-position .6s;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.35), 0 0 40px rgba(255, 43, 214, 0.25);
}
.btn-submit:hover { background-position: 100% 0; box-shadow: 0 0 25px rgba(57, 255, 136, 0.5), 0 0 50px rgba(138, 43, 255, 0.45); }
.btn-submit:active { transform: translateY(1px) scale(.99); }
.btn-submit:disabled {
    cursor: not-allowed;
    opacity: .65;
    box-shadow: none;
    filter: grayscale(.1);
}

a.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: .85rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 240, 255, 0.35);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    font-family: 'Orbitron', sans-serif;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-decoration: none;
    transition: transform .15s, border-color .2s, box-shadow .2s, color .2s;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
}

.login-link { text-align: center; color: var(--muted); margin-top: .4rem; font-size: .95rem; }
.login-link a { color: var(--neon-magenta); text-decoration: none; font-weight: 600; }
.login-link a:hover { text-shadow: 0 0 8px var(--neon-magenta); }

.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120%);
    background: linear-gradient(135deg, rgba(57, 255, 136, 0.18), rgba(0, 240, 255, 0.18));
    border: 1px solid var(--neon-green); color: var(--text);
    padding: .8rem 1.2rem; border-radius: 10px; font-weight: 600;
    box-shadow: 0 0 20px rgba(57, 255, 136, 0.35); z-index: 10;
    transition: transform .35s ease;
}
.toast.show { transform: translateX(-50%) translateY(0); }

.modal { position: fixed; inset: 0; z-index: 20; display: none; align-items: center; justify-content: center; padding: 1rem; }
.modal.show { display: flex; }
.modal[aria-hidden="false"] { animation: fadeIn .2s ease; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5, 3, 15, 0.75); backdrop-filter: blur(6px); }
.modal-card {
    position: relative; z-index: 1; width: 100%; max-width: 420px; text-align: center;
    background: linear-gradient(160deg, rgba(18, 13, 43, 0.95), rgba(9, 7, 24, 0.98));
    border: 1px solid var(--border); border-radius: 18px; padding: 2rem 1.6rem;
    box-shadow: 0 0 0 1px rgba(138, 43, 255, 0.35), 0 20px 60px rgba(0, 0, 0, 0.7);
    animation: popIn .35s ease;
}
@keyframes popIn { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-title {
    font-family: 'Orbitron', sans-serif; font-weight: 900; letter-spacing: 2px; font-size: 1.3rem;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.modal-sub { color: var(--muted); margin: .4rem 0 1rem; }
.qr-canvas {
    display: inline-block; padding: 12px; background: #fff; border-radius: 12px;
    box-shadow: 0 0 18px rgba(0, 240, 255, 0.35), 0 0 30px rgba(255, 43, 214, 0.25);
    margin: .4rem 0 1rem;
}
.qr-canvas img, .qr-canvas canvas { display: block; }
.modal-code { font-family: 'Orbitron', sans-serif; letter-spacing: 2px; margin: .2rem 0; }
.modal-code span { color: var(--neon-cyan); text-shadow: 0 0 8px var(--neon-cyan); }
.modal-mail { color: var(--muted); font-size: .9rem; margin-bottom: 1rem; }
.modal-mail span { color: var(--neon-magenta); }
.modal-actions {
    display: grid;
    gap: .75rem;
    margin-top: 1.1rem;
}

.modal-primary-action {
    margin-top: 0;
}

@media (max-width: 520px) {
    body { padding: 1.25rem .85rem 2rem; }
    .card { padding: 1.6rem 1.2rem; }
    .row { grid-template-columns: 1fr; }
    .title { font-size: 1.3rem; letter-spacing: 2px; }
    .live-panel-title { font-size: .95rem; }
    .bg-glow { width: 280px; height: 280px; filter: blur(80px); opacity: .4; }
    .modal-card { padding: 1.5rem 1.1rem; }
    .modal-title { font-size: 1.1rem; }
    .congrats-badge { font-size: 3rem; }
}

@media (max-width: 360px) {
    body { padding: 1rem .6rem 1.5rem; }
    .card { padding: 1.3rem 1rem; border-radius: 14px; }
    .title { font-size: 1.1rem; letter-spacing: 1px; }
    .logo { font-size: 1.15rem; }
    .chip { padding: .35rem .7rem; font-size: .85rem; }
    .btn-submit { padding: .75rem .8rem; font-size: .85rem; letter-spacing: 2px; }
    .btn-secondary { font-size: .72rem; padding: .7rem .8rem; }
    .bg-glow { width: 180px; height: 180px; filter: blur(60px); opacity: .3; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .bg-glow { animation: none; }
    .card::before { animation: none; }
}

/* Confetti canvas */
#confettiCanvas {
    position: fixed;
    inset: 0;
    z-index: 25;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

/* Congratulations badge */
.congrats-badge {
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: .3rem;
    animation: celebrateBounce .6s ease;
}

@keyframes celebrateBounce {
    0%   { transform: scale(0); opacity: 0; }
    50%  { transform: scale(1.3); }
    100% { transform: scale(1); opacity: 1; }
}

.modal-congrats {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1.5px;
    color: var(--neon-green);
    text-shadow: 0 0 12px rgba(57, 255, 136, 0.4);
    margin: .2rem 0 .5rem;
}

/* Terms error shake */
.agreement-box.terms-error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.25);
    animation: shakeBox .4s ease;
}

@keyframes shakeBox {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* Performance: contain layout paint */
.card { contain: layout style; }
.bg-glow { contain: strict; }
.modal-card { contain: layout style; }