:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --accent: #38bdf8;
    /* Sky blue */
    --accent-glow: rgba(56, 189, 248, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;

    --card-width: 100px;
    --card-height: 140px;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, var(--bg-dark) 70%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow: hidden;
    /* Prevent scroll on some card animations */
}

.app-container {
    width: 100%;
    max-width: 800px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
    position: relative;
    justify-content: space-between;
}

header {
    text-align: center;
    padding: 20px 0;
}

h1 {
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 1.5rem;
}

h1 .accent {
    font-weight: 700;
    color: var(--accent);
}

/* User Bar */
.user-bar {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 10px 15px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.9rem;
    z-index: 100;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.code-pill {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--accent);
}

.balance-display {
    margin-top: 10px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
}

.game-board {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    min-height: 0;
}

.dealer-section,
.player-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: var(--card-height);
}

.hand-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

h2 {
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.score-pill {
    background: var(--accent);
    color: var(--bg-dark);
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.9rem;
    min-width: 30px;
    text-align: center;
}

.cards-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    min-height: var(--card-height);
    perspective: 1000px;
}

/* Card Styling */
.card {
    width: var(--card-width);
    height: var(--card-height);
    background: white;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px;
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    font-size: 1.2rem;
    user-select: none;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: dealCard 0.4s ease-out forwards;
    transform-origin: center bottom;
}

.card:hover {
    transform: translateY(-10px) scale(1.05);
    z-index: 10;
}

@keyframes dealCard {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card.red {
    color: #e11d48;
}

.card.black {
    color: #0f172a;
}

.card-top {
    text-align: left;
    line-height: 1;
}

.card-suit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    opacity: 0.2;
}

.card-bottom {
    text-align: right;
    transform: rotate(180deg);
    line-height: 1;
}

.card-back {
    background: linear-gradient(135deg, #3b82f6 25%, #1d4ed8 25%, #1d4ed8 50%, #3b82f6 50%, #3b82f6 75%, #1d4ed8 75%, #1d4ed8 100%);
    background-size: 20px 20px;
    border: 3px solid white;
}

/* Message Area */
.message-area {
    text-align: center;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#game-message {
    font-size: 1.1rem;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
    animation: fadeIn 0.3s ease;
}

/* Controls */
.controls-area {
    width: 100%;
    padding: 20px;
    border-radius: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.control-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.chip-container {
    display: flex;
    gap: 10px;
}

.chip {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.chip:active {
    transform: scale(0.95);
}

.action-btn {
    padding: 12px 30px;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
}

.action-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.action-btn.primary {
    background: var(--accent);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--accent-glow);
}

.action-btn.primary:not(:disabled):hover {
    background: #7dd3fc;
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-2px);
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--text-primary);
}

.full-width {
    width: 100%;
}

.hidden {
    display: none !important;
}

.label {
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    width: 90%;
    max-width: 400px;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.danger-text {
    color: var(--danger) !important;
}

/* Tabs */
.tab-container {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-btn {
    flex: 1;
    padding: 10px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    margin-bottom: 15px;
    font-family: inherit;
    text-align: center;
    font-size: 1.1rem;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

.error-text {
    color: var(--danger);
    margin-top: 10px;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    :root {
        --card-width: 70px;
        --card-height: 98px;
    }

    .chip {
        width: 40px;
        height: 40px;
        font-size: 0.7rem;
    }

    .action-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .user-bar {
        position: static;
        margin: 0 auto 15px auto;
        width: fit-content;
        flex-direction: row;
        align-items: center;
    }
}