/* Copper Combat - Main Stylesheet */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-copper: #b87333;
    --primary-copper-dark: #8b5a2b;
    --primary-copper-light: #cd7f32;
    --neon-orange: #ff6b35;
    --neon-cyan: #00d4ff;
    --dark-bg: #0a0a0a;
    --dark-bg-alt: #141414;
    --dark-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --success: #00c853;
    --danger: #ff1744;
    --warning: #ffc107;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== SCREEN MANAGEMENT ===== */
.screen {
    display: none;
    min-height: 100vh;
    position: relative;
}

.screen.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* ===== SPLASH SCREEN ===== */
#splash-screen {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-alt) 100%);
}

.splash-content {
    text-align: center;
    padding: 20px;
}

.game-logo {
    max-width: 600px;
    width: 100%;
    height: auto;
    margin-bottom: 40px;
    animation: logo-pulse 2s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.loading-bar-container {
    width: 400px;
    height: 8px;
    background: var(--dark-card);
    border-radius: 4px;
    margin: 20px auto;
    overflow: hidden;
    border: 2px solid var(--primary-copper);
}

.loading-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-copper), var(--neon-orange));
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--neon-orange);
}

.loading-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* ===== AUTH SCREENS ===== */
.auth-container {
    background: var(--dark-card);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-copper);
    box-shadow: 0 0 30px rgba(184, 115, 51, 0.3);
    max-width: 400px;
    width: 90%;
    animation: fade-in 0.5s ease;
}

.auth-container h2 {
    text-align: center;
    color: var(--primary-copper-light);
    margin-bottom: 30px;
    font-size: 2rem;
    text-shadow: 0 0 10px var(--primary-copper);
}

.auth-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-container input {
    padding: 15px;
    background: var(--dark-bg-alt);
    border: 2px solid var(--dark-card);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.auth-container input:focus {
    outline: none;
    border-color: var(--neon-orange);
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.3);
}

.auth-container label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-container a {
    color: var(--neon-cyan);
    text-decoration: none;
}

.auth-container a:hover {
    color: var(--neon-orange);
}

.auth-container p {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

/* ===== BUTTONS ===== */
.btn-primary, .menu-btn, .btn-back, .btn-purchase, .tab-btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-copper), var(--primary-copper-dark));
    color: var(--text-primary);
    border: 2px solid var(--neon-orange);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--neon-orange), var(--primary-copper));
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.menu-btn {
    background: linear-gradient(135deg, var(--dark-card), var(--dark-bg-alt));
    color: var(--text-primary);
    border: 2px solid var(--primary-copper);
    padding: 20px 40px;
    font-size: 1.2rem;
    margin: 10px;
}

.menu-btn:hover {
    background: linear-gradient(135deg, var(--primary-copper), var(--primary-copper-dark));
    border-color: var(--neon-orange);
    box-shadow: 0 0 15px rgba(184, 115, 51, 0.4);
    transform: scale(1.05);
}

.menu-btn-tournament {
    background: linear-gradient(135deg, #1a0a2e, #2d1057);
    border-color: #ffd700;
    color: #ffd700;
    position: relative;
    overflow: hidden;
}

.menu-btn-tournament::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,215,0,0.08), transparent);
    animation: tournamentShine 3s linear infinite;
}

@keyframes tournamentShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.menu-btn-tournament:hover {
    background: linear-gradient(135deg, #2d1057, #4a1a8a);
    border-color: #ffd700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5), 0 0 40px rgba(255, 215, 0, 0.2);
    color: #fff;
    transform: scale(1.05);
}

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

.btn-back:hover {
    background: var(--danger);
    color: var(--text-primary);
}

/* ===== MENU SCREEN ===== */
.menu-container {
    text-align: center;
    max-width: 800px;
    width: 90%;
    padding: 40px;
}

.menu-logo {
    max-width: 500px;
    width: 100%;
    margin-bottom: 30px;
}

.player-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.credit-display {
    color: var(--neon-orange);
    font-weight: bold;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ===== GAME ROOM ===== */
.room-container {
    max-width: 1200px;
    width: 95%;
    padding: 30px;
}

.room-container h2 {
    text-align: center;
    color: var(--primary-copper-light);
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--primary-copper);
}

.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.room-card {
    background: var(--dark-card);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.room-card:hover {
    border-color: var(--neon-orange);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.4);
    transform: translateY(-5px);
}

.room-card.active {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.room-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.room-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-copper-light);
}

.room-players {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.room-status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.room-status.waiting {
    background: var(--warning);
    color: var(--dark-bg);
}

.room-status.full {
    background: var(--danger);
    color: var(--text-primary);
}

/* ===== CHARACTER SELECTION ===== */
.character-container {
    max-width: 1200px;
    width: 95%;
    padding: 30px;
}

.character-container h2 {
    text-align: center;
    color: var(--primary-copper-light);
    margin-bottom: 20px;
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--primary-copper);
}

.player1-selection, .player2-selection {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--neon-cyan);
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.character-card {
    background: var(--dark-card);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.character-card:hover {
    border-color: var(--neon-orange);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.3);
}

.character-card.selected {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    animation: selected-pulse 1s ease-in-out infinite;
}

@keyframes selected-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.5); }
    50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.8); }
}

.character-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 10px;
    border-radius: 50%;
    border: 3px solid var(--primary-copper);
    object-fit: cover;
}

.character-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-copper-light);
    margin-bottom: 5px;
}

.character-stats {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== GAME ARENA ===== */
.game-arena {
    width: 100vw;
    height: 100vh;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.game-hud {
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    z-index: 10;
}

.player-hud {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40%;
}

.health-bar-container {
    width: 100%;
    height: 30px;
    background: var(--dark-card);
    border: 3px solid var(--primary-copper);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(184, 115, 51, 0.3);
}

.health-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #69f0ae);
    transition: width 0.3s ease;
}

.player-hud.right .health-bar {
    background: linear-gradient(90deg, var(--danger), #ff8a80);
}

.player-name {
    margin-top: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.timer {
    font-size: 3rem;
    font-weight: bold;
    color: var(--neon-orange);
    text-shadow: 0 0 15px var(--neon-orange);
    background: var(--dark-card);
    padding: 10px 25px;
    border: 3px solid var(--neon-orange);
    border-radius: 8px;
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ===== CHAT SYSTEM ===== */
.chat-container {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 350px;
    z-index: 10;
}

.chat-messages {
    height: 200px;
    background: rgba(30, 30, 30, 0.9);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    overflow-y: auto;
    padding: 10px;
    margin-bottom: 10px;
    backdrop-filter: blur(10px);
}

.chat-message {
    margin: 5px 0;
    padding: 8px;
    background: var(--dark-bg-alt);
    border-radius: 4px;
    font-size: 0.9rem;
}

.chat-message .sender {
    color: var(--neon-cyan);
    font-weight: bold;
}

.chat-form {
    display: flex;
    gap: 10px;
}

.chat-form input {
    flex: 1;
    padding: 10px;
    background: var(--dark-card);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

.chat-form input:focus {
    outline: none;
    border-color: var(--neon-orange);
}

.chat-form button {
    padding: 10px 20px;
    background: var(--primary-copper);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.chat-form button:hover {
    background: var(--neon-orange);
}

/* ===== LEADERBOARD ===== */
.leaderboard-container {
    max-width: 800px;
    width: 95%;
    padding: 30px;
}

.leaderboard-container h2 {
    text-align: center;
    color: var(--primary-copper-light);
    margin-bottom: 20px;
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--primary-copper);
}

.leaderboard-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 10px 25px;
    background: var(--dark-card);
    color: var(--text-primary);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--primary-copper);
    border-color: var(--neon-orange);
    box-shadow: 0 0 10px rgba(184, 115, 51, 0.4);
}

.leaderboard-content {
    background: var(--dark-card);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    padding: 20px;
    overflow-x: auto;
}

#leaderboard-table {
    width: 100%;
    border-collapse: collapse;
}

#leaderboard-table th, 
#leaderboard-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--dark-bg-alt);
}

#leaderboard-table th {
    background: var(--primary-copper);
    color: var(--text-primary);
    font-weight: bold;
    text-transform: uppercase;
}

#leaderboard-table tr:hover {
    background: var(--dark-bg-alt);
}

#leaderboard-table tr:nth-child(even) {
    background: var(--dark-bg-alt);
}

#leaderboard-table .rank-1 {
    color: var(--warning);
    font-weight: bold;
}

#leaderboard-table .rank-2 {
    color: var(--text-secondary);
    font-weight: bold;
}

#leaderboard-table .rank-3 {
    color: var(--primary-copper-light);
    font-weight: bold;
}

/* ===== PURCHASE SCREEN ===== */
.purchase-container {
    max-width: 900px;
    width: 95%;
    padding: 30px;
    text-align: center;
}

.purchase-container h2 {
    color: var(--primary-copper-light);
    margin-bottom: 20px;
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--primary-copper);
}

.current-credits {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--neon-orange);
}

.credit-packages {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.credit-package {
    background: var(--dark-card);
    border: 3px solid var(--primary-copper);
    border-radius: var(--border-radius);
    padding: 30px;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    transition: var(--transition);
}

.credit-package:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(184, 115, 51, 0.5);
    border-color: var(--neon-orange);
}

.credit-package h3 {
    color: var(--primary-copper-light);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.credit-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--neon-orange);
    margin-bottom: 10px;
}

.credit-package .price {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.btn-purchase {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--success), #00e676);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.btn-purchase:hover {
    background: linear-gradient(135deg, #00e676, var(--success));
    box-shadow: 0 0 20px rgba(0, 200, 83, 0.5);
    transform: scale(1.05);
}

/* ===== WITHDRAWAL SCREEN ===== */
.withdrawal-container {
    max-width: 500px;
    width: 90%;
    padding: 30px;
    text-align: center;
}

.withdrawal-container h2 {
    color: var(--primary-copper-light);
    margin-bottom: 20px;
}

.withdrawal-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
}

.withdrawal-container input,
.withdrawal-container select {
    padding: 15px;
    background: var(--dark-bg-alt);
    border: 2px solid var(--primary-copper);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
    animation: fade-in 0.3s ease;
}

.modal-content {
    background: var(--dark-card);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 3px solid var(--neon-orange);
    max-width: 600px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 50px rgba(255, 107, 53, 0.3);
}

.modal-content h2 {
    color: var(--neon-orange);
    margin-bottom: 20px;
    font-size: 2rem;
}

.terms-content,
.privacy-content {
    text-align: left;
    max-height: 400px;
    overflow-y: auto;
    margin: 20px 0;
    padding: 15px;
    background: var(--dark-bg-alt);
    border-radius: var(--border-radius);
}

.terms-content h3,
.privacy-content h3 {
    color: var(--primary-copper-light);
    margin-top: 15px;
    margin-bottom: 10px;
}

.terms-content p,
.privacy-content p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

#credit-change {
    font-size: 1.5rem;
    margin: 20px 0;
    font-weight: bold;
}

#credit-change.positive {
    color: var(--success);
}

#credit-change.negative {
    color: var(--danger);
}

/* ===== ANIMATIONS ===== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ===== UTILITY CLASSES ===== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .game-logo {
        max-width: 350px;
    }

    .loading-bar-container {
        width: 300px;
    }

    .auth-container {
        padding: 25px;
    }

    .menu-logo {
        max-width: 300px;
    }

    .menu-btn {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .room-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .chat-container {
        width: 300px;
        bottom: 10px;
        right: 10px;
    }

    .chat-messages {
        height: 150px;
    }

    .credit-packages {
        flex-direction: column;
    }

    .credit-package {
        max-width: 100%;
    }

    .leaderboard-tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    #leaderboard-table {
        font-size: 0.9rem;
    }

    .game-hud {
        padding: 0 20px;
    }

    .player-name {
        font-size: 1rem;
    }

    .timer {
        font-size: 2rem;
        padding: 5px 15px;
    }
}

@media (max-width: 480px) {
    .game-logo {
        max-width: 250px;
    }

    .loading-bar-container {
        width: 250px;
    }

    .room-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .character-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chat-container {
        width: 100%;
        left: 0;
        right: 0;
        bottom: 0;
    }

    .modal-content {
        padding: 20px;
    }
}
/* ===================================================
   BACKGROUND SELECT SCREEN
   =================================================== */

#background-select-screen {
    background: radial-gradient(ellipse at center, #0d0d1a 0%, var(--bg-dark) 80%);
    padding: 32px 16px;
    gap: 20px;
    min-height: 100vh;
}

.bg-select-container {
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.bg-select-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--copper-light), var(--copper), var(--copper-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 16px rgba(184,115,51,.5));
    margin: 0;
}

.bg-select-subtitle {
    color: var(--text-secondary);
    font-size: .9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin: 0;
}

/* Arena grid */
.bg-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    width: 100%;
}

@media (max-width: 900px) {
    .bg-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .bg-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Individual arena card */
.bg-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid #333;
    aspect-ratio: 16/9;
    transition: transform .2s, border-color .2s, box-shadow .2s;
    background: #111;
}

.bg-card:hover {
    transform: translateY(-4px) scale(1.03);
    border-color: var(--copper);
    box-shadow: 0 8px 24px rgba(184,115,51,.3);
    z-index: 2;
}

.bg-card.selected {
    border-color: var(--copper-light);
    box-shadow: 0 0 0 3px var(--copper), 0 8px 32px rgba(184,115,51,.5);
    transform: translateY(-4px) scale(1.04);
}

/* Canvas preview inside each card */
.bg-card canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Overlay label */
.bg-card-label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 6px 10px;
    background: linear-gradient(transparent, rgba(0,0,0,.85));
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    text-align: center;
    pointer-events: none;
}

/* Selected checkmark badge */
.bg-card-badge {
    display: none;
    position: absolute;
    top: 8px; right: 8px;
    background: var(--copper);
    color: #fff;
    width: 24px; height: 24px;
    border-radius: 50%;
    font-size: 13px;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    box-shadow: 0 0 8px rgba(184,115,51,.6);
}

.bg-card.selected .bg-card-badge {
    display: flex;
}

/* Random arena card */
.bg-card.random-card {
    border: 2px dashed #555;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #0d0d1a;
    font-size: 2rem;
}
.bg-card.random-card .random-label {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.bg-card.random-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 24px rgba(0,212,255,.2);
}
.bg-card.random-card.selected {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0,212,255,.4);
}

/* Action buttons row */
.bg-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 8px;
}

.btn-random {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    border-radius: 10px;
    color: var(--neon-cyan);
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 12px 28px;
    cursor: pointer;
    transition: all .2s;
}
.btn-random:hover {
    background: rgba(0,212,255,.1);
    box-shadow: 0 0 16px rgba(0,212,255,.3);
}

/* Selected arena preview strip at top */
.bg-preview-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid #333;
    border-radius: 12px;
    padding: 12px 20px;
    width: 100%;
    max-width: 600px;
}
.bg-preview-canvas {
    width: 120px;
    height: 68px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid #444;
}
.bg-preview-canvas canvas {
    width: 100%;
    height: 100%;
}
.bg-preview-info { flex: 1; }
.bg-preview-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--copper-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.bg-preview-desc {
    font-size: .75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===================================================
   COUNTDOWN OVERLAY
   =================================================== */

#countdown-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    pointer-events: none;
}

#countdown-overlay.active {
    display: flex;
}

#countdown-text {
    font-size: clamp(5rem, 18vw, 12rem);
    font-weight: 900;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #ffd700;
    text-shadow:
        0 0 40px currentColor,
        0 0 80px currentColor,
        4px 4px 0 rgba(0,0,0,0.6);
    animation: countdownPop 0.85s ease forwards;
    user-select: none;
}

@keyframes countdownPop {
    0%   { opacity: 0; transform: scale(2.5) rotate(-8deg); }
    25%  { opacity: 1; transform: scale(1) rotate(0deg); }
    75%  { opacity: 1; transform: scale(1) rotate(0deg); }
    100% { opacity: 0; transform: scale(0.6) rotate(4deg); }
}

/* ===================================================
   TOURNAMENT MODE
   =================================================== */

#tournament-screen {
    padding: 32px 16px;
    gap: 24px;
    background: radial-gradient(ellipse at top, #1a0a00 0%, var(--bg-dark) 70%);
    min-height: 100vh;
}

.tournament-container {
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.tournament-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffd700, #b87333, #cd7f32);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(255,215,0,0.4));
    margin: 0;
}

.tournament-subtitle {
    color: var(--text-secondary);
    font-size: .9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin: 0;
}

/* Tier Cards */
.tournament-tiers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
}

@media (max-width: 768px) {
    .tournament-tiers { grid-template-columns: 1fr; }
}

.tier-card {
    background: var(--bg-card);
    border: 2px solid #333;
    border-radius: 16px;
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    transition: transform .2s, border-color .2s, box-shadow .2s;
    text-align: center;
}

.tier-card:nth-child(1) { border-color: #cd7f3255; }
.tier-card:nth-child(1):hover { border-color: #cd7f32; box-shadow: 0 0 24px rgba(205,127,50,.3); transform: translateY(-4px); }

.tier-card:nth-child(2) { border-color: #c0c0c055; }
.tier-card:nth-child(2):hover { border-color: #c0c0c0; box-shadow: 0 0 24px rgba(192,192,192,.3); transform: translateY(-4px); }

.tier-card.gold { border-color: #ffd70055; background: linear-gradient(135deg, #1a1000, #0a0a0f); }
.tier-card.gold:hover { border-color: #ffd700; box-shadow: 0 0 36px rgba(255,215,0,.4); transform: translateY(-4px); }

.tier-badge {
    position: absolute;
    top: -12px;
    background: linear-gradient(135deg, #b87333, #ffd700);
    color: #000;
    font-size: .65rem;
    font-weight: 900;
    letter-spacing: 2px;
    padding: 4px 14px;
    border-radius: 20px;
}

.tier-icon { font-size: 2.8rem; line-height: 1; }

.tier-name {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text);
}

.tier-buyin {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--copper-light);
}

.tier-players {
    font-size: .75rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.tier-prize-label, .tier-net-label {
    font-size: .65rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 8px;
}

.tier-prize {
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffd700;
}

.tier-net {
    font-size: 1.1rem;
    font-weight: 700;
    color: #00c853;
}

.tier-split {
    font-size: .7rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.btn-tier-join {
    margin-top: 14px;
    background: linear-gradient(135deg, var(--copper-dark), var(--copper));
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 12px 28px;
    cursor: pointer;
    width: 100%;
    transition: all .2s;
}

.btn-tier-join:hover {
    filter: brightness(1.2);
    box-shadow: 0 0 20px rgba(184,115,51,.4);
}

.btn-tier-join:disabled {
    opacity: .4;
    cursor: not-allowed;
}

/* Active Tournaments */
.active-tournaments {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid #333;
    border-radius: 14px;
    padding: 24px;
}

.active-tournaments h3 {
    color: var(--copper-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: .9rem;
    margin: 0 0 16px;
}

.no-tournaments {
    color: var(--text-secondary);
    text-align: center;
    font-size: .85rem;
    padding: 16px;
}

.tournament-card {
    background: #0d0d1a;
    border: 1px solid #333;
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.t-card-icon { font-size: 2rem; }
.t-card-info { flex: 1; }
.t-card-name { font-size: .9rem; font-weight: 700; color: var(--text); }
.t-card-meta { font-size: .75rem; color: var(--text-secondary); margin-top: 4px; }
.t-card-status {
    font-size: .7rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    padding: 4px 12px; border-radius: 20px;
}
.t-card-status.open { background: rgba(0,200,83,.15); color: #00c853; border: 1px solid #00c853; }
.t-card-status.full { background: rgba(255,152,0,.15); color: #ff9800; border: 1px solid #ff9800; }
.t-card-status.in_progress { background: rgba(33,150,243,.15); color: #2196f3; border: 1px solid #2196f3; }

/* Tournament Bracket */
.bracket-container {
    width: 100%;
    overflow-x: auto;
}

.bracket-round {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 200px;
}

.bracket-match {
    background: #0d0d1a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: .8rem;
}

.bracket-match .match-player { color: var(--text); padding: 4px 0; }
.bracket-match .match-player.winner { color: #ffd700; font-weight: 700; }
.bracket-match .match-player.loser  { color: #666; text-decoration: line-through; }

/* My tournament section */
.my-tournament {
    width: 100%;
    background: var(--bg-card);
    border: 2px solid var(--copper);
    border-radius: 14px;
    padding: 24px;
}
.my-tournament h3 {
    color: var(--copper-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: .9rem;
    margin: 0 0 16px;
}

/* ── Tournament Card (Active List) ─────────────────────────────── */
.tournament-card {
    background: #0d0d1a;
    border: 1px solid #333;
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 10px;
    transition: border-color 0.2s;
}
.tournament-card:hover { border-color: var(--primary-copper); }

.tc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.tc-tier {
    font-weight: 700;
    font-size: 1rem;
    color: #ffd700;
}
.tc-status {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 20px;
}
.tc-status.status-open        { background: rgba(0,200,83,.15);  color:#00c853; border:1px solid #00c853; }
.tc-status.status-full        { background: rgba(255,152,0,.15); color:#ff9800; border:1px solid #ff9800; }
.tc-status.status-in_progress { background: rgba(33,150,243,.15);color:#2196f3; border:1px solid #2196f3; }
.tc-status.status-completed   { background: rgba(156,39,176,.15);color:#9c27b0; border:1px solid #9c27b0; }

.tc-info {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.btn-small {
    padding: 6px 16px;
    font-size: 0.82rem;
    margin: 0;
}

/* ── My Tournament Card ──────────────────────────────────────────── */
.my-tournament-card {
    background: linear-gradient(135deg, #1a0a2e, #2d1057);
    border: 2px solid #ffd700;
    border-radius: 12px;
    padding: 18px 22px;
    margin-bottom: 16px;
}
.my-tournament-card h4 {
    color: #ffd700;
    font-size: 1.1rem;
    margin: 0 0 10px;
}
.my-tournament-card p {
    margin: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.my-tournament-card strong { color: var(--text-primary); }

/* ── Bracket Styles ─────────────────────────────────────────────── */
.bracket-container {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 12px 0;
}
.bracket-round { display: flex; flex-direction: column; gap: 12px; min-width: 180px; }
.bracket-round h5 {
    color: var(--primary-copper);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 8px;
    text-align: center;
}
.bracket-match {
    background: #0d0d1a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.82rem;
}
.bracket-player { padding: 4px 0; color: var(--text-primary); }
.bracket-player.winner { color: #ffd700; font-weight: 700; }
.bracket-player.loser  { color: #555; text-decoration: line-through; }
.bracket-vs { font-size: 0.7rem; color: #555; text-align: center; padding: 2px 0; }
.bracket-winner { font-size: 0.75rem; color: #00c853; margin-top: 6px; border-top: 1px solid #1a1a2e; padding-top: 6px; }

/* ── Tier Card Dynamic Styles ───────────────────────────────────── */
.tier-buyin  { font-size: 0.85rem; color: var(--text-secondary); margin: 4px 0; }
.tier-pot    { font-size: 0.85rem; color: var(--text-secondary); margin: 2px 0; }
.tier-house  { font-size: 0.8rem; margin: 2px 0; }
.tier-netpot { font-size: 1rem; margin: 6px 0; }
.tier-prizes {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 8px 12px;
    margin: 10px 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.8;
}
.tier-players { font-size: 0.78rem; color: #888; margin-bottom: 12px; }