@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;700&family=Exo+2:wght@400;600;800&display=swap');

:root {
    --neon-green: #39ff14;
    --neon-blue: #00d4ff;
    --neon-pink: #ff2d78;
    --neon-yellow: #ffe600;
    --neon-orange: #ff6b00;
    --dark-bg: #0a0a14;
    --dark-card: #111124;
    --dark-card2: #181830;
    --border-glow: #2a2a5a;
    --text-main: #e8e8ff;
    --text-muted: #7070a0;
    --correct: #39ff14;
    --wrong: #ff2d78;
}

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

body {
    font-family: 'Exo 2', sans-serif;
    background: var(--dark-bg);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 60% 20%, rgba(57, 255, 20, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 45, 120, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 520px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    position: relative;
    z-index: 1;
}

/* ===== CARDS ===== */
.card {
    background: var(--dark-card);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    padding: 28px 24px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    opacity: 0.7;
}

/* ===== HEADINGS ===== */
h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-blue);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    margin-bottom: 8px;
}

h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-main);
    margin-bottom: 16px;
}

/* ===== INPUT ===== */
input[type="text"] {
    width: 100%;
    background: #0d0d20;
    border: 1.5px solid var(--border-glow);
    border-radius: 10px;
    color: var(--text-main);
    font-family: 'Exo 2', sans-serif;
    font-size: 18px;
    font-weight: 600;
    padding: 14px 16px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    letter-spacing: 1px;
}

input[type="text"]:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12), inset 0 0 20px rgba(0, 212, 255, 0.04);
}

input[type="text"]::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* ===== CHECKBOX ===== */
label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    padding: 12px 14px;
    background: #0d0d20;
    border: 1.5px solid var(--border-glow);
    border-radius: 10px;
    transition: border-color 0.2s, color 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

label:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--neon-pink);
    cursor: pointer;
}

/* ===== BUTTONS ===== */
button {
    font-family: 'Rajdhani', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
    padding: 14px 28px;
}

button:active { transform: scale(0.96); }

/* Primary CTA */
button[type="submit"],
button#nextBtn,
.btn-primary {
    background: linear-gradient(135deg, #0099cc, #00d4ff);
    color: #001a26;
    width: 100%;
    display: block;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

button[type="submit"]:hover,
button#nextBtn:hover,
.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    transform: translateY(-1px);
}

button[type="submit"]:disabled,
button#nextBtn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Generic button (restart, back) */
button:not([type="submit"]):not(#nextBtn):not(.answerBtn) {
    background: var(--dark-card2);
    color: var(--text-main);
    border: 1.5px solid var(--border-glow);
    font-size: 16px;
    letter-spacing: 1px;
    padding: 12px 20px;
}

button:not([type="submit"]):not(#nextBtn):not(.answerBtn):hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}

/* ===== ANSWER BUTTONS ===== */
.answerBtn {
    font-family: 'Rajdhani', sans-serif;
    font-size: 28px;
    font-weight: 700;
    width: 90px;
    height: 80px;
    background: #0d0d20;
    color: var(--text-main);
    border: 2px solid var(--border-glow);
    border-radius: 14px;
    letter-spacing: 1px;
    transition: border-color 0.15s, background 0.15s, transform 0.1s, box-shadow 0.15s;
}

.answerBtn:hover:not(:disabled) {
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.08);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
    transform: translateY(-2px);
}

.answerBtn:active:not(:disabled) { transform: scale(0.94); }

#answers {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin: 24px 0;
}

/* ===== CORRECT / WRONG ===== */
.correct {
    background: rgba(57, 255, 20, 0.15) !important;
    border-color: var(--neon-green) !important;
    color: var(--neon-green) !important;
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.35) !important;
}

.wrong {
    background: rgba(255, 45, 120, 0.15) !important;
    border-color: var(--neon-pink) !important;
    color: var(--neon-pink) !important;
    box-shadow: 0 0 20px rgba(255, 45, 120, 0.35) !important;
}

/* ===== PROGRESS BAR ===== */
.progressBar {
    width: 100%;
    height: 8px;
    background: #1a1a35;
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 6px;
}

.progressFill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-green));
    border-radius: 99px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(57, 255, 20, 0.4);
}

/* ===== TOP INFO ROW ===== */
.topInfo {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.topInfo b, .topInfo span b {
    color: var(--text-main);
}

/* ===== TIMER ===== */
.timer {
    font-family: 'Rajdhani', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--neon-yellow);
    text-shadow: 0 0 16px rgba(255, 230, 0, 0.45);
    letter-spacing: 2px;
    margin: 16px 0 8px;
}

/* ===== QUESTION ===== */
#question {
    font-family: 'Rajdhani', sans-serif;
    font-size: 52px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(255,255,255,0.1);
    margin: 8px 0 4px;
}

/* ===== LINK ===== */
.link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--neon-blue);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.link:hover { opacity: 1; }

/* ===== STATS GRID ===== */
.stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 16px;
}

.stat-box {
    background: #0d0d20;
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    padding: 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
}

.stat-box b {
    display: block;
    font-family: 'Rajdhani', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ===== COUNTER ===== */
.counter {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-top: 6px;
    text-align: right;
}

/* ===== HINT TEXT ===== */
.hint {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* ===== NICKNAME BADGE ===== */
#nicknameDisplay {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0d0d20;
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    padding: 6px 14px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--neon-green);
    margin-bottom: 16px;
}

/* ===== SCOREBOARD TABLE ===== */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 4px;
    font-size: 14px;
}

th {
    background: transparent;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 6px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-glow);
}

th:first-child { width: 36px; }

td {
    padding: 10px 10px;
    background: #0d0d20;
    border-top: 1px solid transparent;
    border-bottom: 1px solid transparent;
    color: var(--text-main);
    font-weight: 600;
}

td:first-child {
    border-radius: 8px 0 0 8px;
    border-left: 2px solid var(--border-glow);
    color: var(--text-muted);
    font-family: 'Rajdhani', sans-serif;
    font-size: 16px;
}

td:last-child {
    border-radius: 0 8px 8px 0;
    font-family: 'Rajdhani', sans-serif;
    font-size: 17px;
    color: var(--neon-yellow);
}

tbody tr:first-child td { border-left-color: var(--neon-yellow); }
tbody tr:nth-child(2) td { border-left-color: #c0c0c0; }
tbody tr:nth-child(3) td { border-left-color: #cd7f32; }

tbody tr:hover td { background: #12122a; }

/* ===== RESULT PAGE ===== */
.result-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin: 8px 0;
    color: var(--text-muted);
}

.result-val {
    font-family: 'Rajdhani', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1px;
}

/* ===== DEATHMATCH MODE ===== */
.death-badge {
    display: inline-block;
    background: rgba(255, 45, 120, 0.15);
    color: var(--neon-pink);
    border: 1px solid var(--neon-pink);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 3px 10px;
    margin-left: 8px;
}

/* ===== ANIMATED NEON PULSE (on correct answer) ===== */
@keyframes neonPulse {
    0% { box-shadow: 0 0 20px rgba(57,255,20,0.3); }
    50% { box-shadow: 0 0 40px rgba(57,255,20,0.6); }
    100% { box-shadow: 0 0 20px rgba(57,255,20,0.3); }
}

.correct { animation: neonPulse 0.6s ease; }

/* ===== ERROR SHAKE ===== */
@keyframes shake {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.shake { animation: shake 0.3s ease; }

/* ===== MOBILE ===== */
@media (max-width: 480px) {
    .container { padding: 16px 12px 32px; }
    h1 { font-size: 28px; }
    #question { font-size: 42px; }
    .answerBtn { width: 80px; height: 70px; font-size: 24px; }
    .timer { font-size: 28px; }
}