:root {
    --bg-color: #10101a;
    --primary-color: #8a2be2;
    --accent-color: #00d2ff;
    --text-color: #f0f0f0;
    --text-dim: #a0a0b0;
    --success-color: #00ff88;
    --danger-color: #ff4757;
    --gold-color: #ffd700;
    --card-bg: rgba(20, 20, 30, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    background: radial-gradient(circle, #2a0a4a, var(--bg-color));
}

#app-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

/* --- Screens & Transitions --- */
.screen {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.screen.active {
    display: block;
}

.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Glass Card --- */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px 40px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-dim);
    margin-bottom: 30px;
}

/* --- UI Elements --- */
.input-group {
    margin-bottom: 20px;
}

input[type="tel"], input[type="text"] {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-color);
    font-size: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
}

.btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 50px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    cursor: pointer;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    color: white;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

#recaptcha-container {
    margin: 20px auto 0;
}

/* --- Avatar Selection --- */
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.1);
}

.avatar.selected {
    border: 3px solid var(--accent-color);
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent-color);
}

/* --- Main Menu --- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 30px;
}

.profile-display {
    display: flex;
    align-items: center;
    gap: 10px;
}
.profile-display .avatar { width: 45px; height: 45px; font-size: 1.8rem; }
#menu-username { font-weight: 600; }

.jackpot-display {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--gold-color);
    text-shadow: 0 0 10px var(--gold-color);
}

#logout-btn { width: auto; padding: 8px 15px; font-size: 0.8rem; }

.stake-selection .subtitle { margin-bottom: 40px; }
.stake-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* --- Spinners --- */
.spinner-container { text-align: center; }
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}
.spinner-small { width: 20px; height: 20px; border-width: 3px; }

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

/* --- Game Screen --- */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.player-info { text-align: center; }
.player-info .avatar { margin: 0 auto 10px; }
.vs-text { font-family: 'Orbitron', sans-serif; font-size: 2.5rem; font-weight: 900; }

.pot-display {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--gold-color);
}

.choice-buttons {
    display: flex;
    gap: 20px;
}
.choice-btn { font-size: 1.5rem; }
.split-btn { background: linear-gradient(90deg, #00c6ff, #0072ff); }
.steal-btn { background: linear-gradient(90deg, #ff4757, #e056fd); }
.choice-btn.selected {
    transform: scale(1.05);
    box-shadow: 0 0 30px 5px currentColor;
}

#game-timer {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    margin-top: 30px;
    color: var(--text-color);
}

/* --- Result View --- */
.result-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px 40px;
    text-align: center;
    animation: resultFadeIn 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes resultFadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.reveal-area {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.choice-reveal {
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    font-size: 3rem;
    font-weight: 700;
}

/* Animation classes for reveal */
.player-reveal { animation: revealPlayer 1.5s forwards; }
.opponent-reveal { animation: revealOpponent 2.5s forwards; }

.split { background: var(--success-color); color: var(--bg-color); }
.steal { background: var(--danger-color); color: white; }

@keyframes revealPlayer {
    0%, 50% { content: '?'; transform: rotateY(0deg); background: #555;}
    60% { transform: rotateY(90deg); }
    61% { transform: rotateY(90deg); } /* Color changes here */
    100% { transform: rotateY(0deg); }
}

@keyframes revealOpponent {
    0%, 70% { content: '?'; transform: rotateY(0deg); background: #555;}
    80% { transform: rotateY(90deg); }
    81% { transform: rotateY(90deg); } /* Color changes here */
    100% { transform: rotateY(0deg); }
}

#result-title { font-size: 2rem; margin-bottom: 10px; }
#result-message { font-size: 1.1rem; color: var(--text-dim); margin-bottom: 30px; }