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

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #eaeaea;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3.5rem;
    color: #ff6b6b;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    color: #c9c9c9;
    letter-spacing: 2px;
}

/* Sections */
.section {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.section h2 {
    font-size: 1.8rem;
    color: #4ecdc4;
    margin-bottom: 20px;
    text-align: center;
}

/* Input Groups */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #c9c9c9;
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: #eaeaea;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    transition: border-color 0.3s, background 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #4ecdc4;
    background: rgba(78, 205, 196, 0.1);
}

/* Difficulty Selector */
.difficulty-select {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(78, 205, 196, 0.3);
    border-radius: 5px;
    color: #e0e0e0;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
}

.difficulty-select:hover {
    border-color: #4ecdc4;
    background: rgba(78, 205, 196, 0.1);
}

.difficulty-select:focus {
    outline: none;
    border-color: #4ecdc4;
    background: rgba(78, 205, 196, 0.15);
}

.difficulty-select option {
    background: #1a1a2e;
    color: #e0e0e0;
    padding: 10px;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    min-width: 150px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Error Messages */
.error-message {
    color: #ff6b6b;
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    min-height: 20px;
}

/* Matchmaking Status */
#matchmaking-status {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(78, 205, 196, 0.2);
    border-top: 4px solid #4ecdc4;
    border-radius: 50%;
    margin: 30px auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.queue-info,
.timer {
    font-size: 1.1rem;
    margin: 10px 0;
    color: #c9c9c9;
}

.queue-info span,
.timer span {
    color: #4ecdc4;
    font-weight: bold;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #1a1a2e;
    border: 2px solid #4ecdc4;
    border-radius: 10px;
    padding: 40px;
    max-width: 500px;
    text-align: center;
}

.modal-content h3 {
    font-size: 1.8rem;
    color: #ff6b6b;
    margin-bottom: 20px;
}

.modal-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #c9c9c9;
}

/* Stats */
.stats {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    background: rgba(78, 205, 196, 0.1);
    border: 2px solid rgba(78, 205, 196, 0.3);
    border-radius: 10px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    color: #c9c9c9;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    color: #4ecdc4;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Match History */
.match-history {
    min-height: 150px;
}

.match-history .placeholder {
    text-align: center;
    color: #888;
    padding: 40px;
}

.history-stats {
    display: flex;
    gap: 20px;
    justify-content: space-around;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 8px;
}

.stat-box {
    text-align: center;
    flex: 1;
}

.stat-box .stat-label {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 8px;
}

.stat-box .stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #4ecdc4;
}

.recent-matches h3 {
    color: #e0e0e0;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.match-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    margin-bottom: 12px;
    border-radius: 8px;
    border-left: 4px solid #666;
    display: grid;
    grid-template-columns: 80px 1fr auto;
    grid-template-rows: auto auto;
    gap: 8px;
    align-items: center;
    transition: background 0.2s;
}

.match-card:hover {
    background: rgba(255, 255, 255, 0.08);
}

.match-card.win {
    border-left-color: #4ecdc4;
}

.match-card.win .match-result {
    color: #4ecdc4;
}

.match-card.loss {
    border-left-color: #ff6b6b;
}

.match-card.loss .match-result {
    color: #ff6b6b;
}

.match-card.draw {
    border-left-color: #ffa500;
}

.match-card.draw .match-result {
    color: #ffa500;
}

.match-result {
    font-weight: bold;
    font-size: 1.1rem;
    grid-row: 1 / 3;
}

.match-opponent {
    color: #e0e0e0;
    font-size: 0.95rem;
    grid-column: 2;
}

.match-stats {
    color: #999;
    font-size: 0.85rem;
    grid-column: 2;
    display: flex;
    gap: 15px;
}

.match-date {
    color: #777;
    font-size: 0.8rem;
    grid-column: 3;
    grid-row: 1 / 3;
    text-align: right;
}

/* Advanced Settings */
.btn-link {
    background: none;
    border: none;
    color: #4ecdc4;
    cursor: pointer;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    padding: 10px 0;
    text-align: left;
    width: 100%;
    transition: color 0.3s;
}

.btn-link:hover {
    color: #6ee7de;
}

.settings-panel {
    border: 2px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    padding: 20px;
    margin: 15px 0;
    background: rgba(22, 33, 62, 0.5);
    backdrop-filter: blur(5px);
}

.settings-panel h3 {
    color: #4ecdc4;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.settings-panel h4 {
    color: #c9c9c9;
    margin: 20px 0 15px 0;
    font-size: 1.1rem;
}

.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    color: #c9c9c9;
    margin-bottom: 10px;
    font-size: 1rem;
}

.setting-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
}

.setting-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #4ecdc4;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}

.setting-group input[type="range"]::-webkit-slider-thumb:hover {
    background: #6ee7de;
}

.setting-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #4ecdc4;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: background 0.3s;
}

.setting-group input[type="range"]::-moz-range-thumb:hover {
    background: #6ee7de;
}

.weapons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.weapon-settings {
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.weapon-settings h5 {
    margin: 0 0 12px 0;
    color: #4ecdc4;
    font-size: 1rem;
}

.weapon-settings label {
    display: block;
    color: #c9c9c9;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.weapon-settings input[type="number"] {
    width: 100%;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #eaeaea;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
    margin-top: 4px;
}

.weapon-settings input[type="number"]:focus {
    outline: none;
    border-color: #4ecdc4;
    background: rgba(78, 205, 196, 0.1);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
    min-width: auto;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: #888;
    font-size: 0.9rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 20px;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .stats {
        flex-direction: column;
        gap: 15px;
    }
}