/**
 * Game UI Styles
 * Auth modals, multiplayer controls, and profile display
 */

/* User Section in Header */
.user-section {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.auth-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
}

.auth-btn:hover,
.auth-btn:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.5);
}

/* Unified Sign In Button */
.auth-btn.signin-unified {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: 2px solid transparent;
    font-size: 1rem;
}

.auth-btn.signin-unified:hover,
.auth-btn.signin-unified:focus {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.5);
}

.signin-icon {
    font-size: 1.2rem;
}

.auth-btn.secondary {
    background: linear-gradient(135deg, var(--tertiary-bg) 0%, #3d4571 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.auth-btn.secondary:hover,
.auth-btn.secondary:focus {
    background: linear-gradient(135deg, #3d4571 0%, #4d5581 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.auth-btn.small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary-color);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initial {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 1.2rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: linear-gradient(145deg, var(--secondary-bg) 0%, var(--tertiary-bg) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-xxl);
    max-width: 420px;
    width: 92%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 
                0 0 40px rgba(74, 144, 226, 0.15);
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 12px;
    line-height: 1;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
    outline: none;
}

.modal h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: 1.6rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Auth Modal */
.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--primary-color);
    background: var(--primary-bg);
}

.auth-tab {
    flex: 1;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
}

.auth-tab:hover {
    background: rgba(74, 144, 226, 0.15);
    color: var(--text-primary);
    transform: none;
}

.auth-tab.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.4);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    background: var(--primary-bg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-group small {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-left: 2px;
}

.form-error {
    color: var(--loss-color);
    font-size: 0.9rem;
    text-align: center;
    min-height: 1.2em;
    padding: 8px;
    border-radius: var(--radius-sm);
    background: rgba(231, 76, 60, 0.1);
}

.form-error:empty {
    background: transparent;
    padding: 0;
}

.auth-submit {
    margin-top: var(--spacing-md);
    padding: 14px 28px;
    font-size: 1.05rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.35);
    transition: all 0.3s ease;
}

.auth-submit:hover,
.auth-submit:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(74, 144, 226, 0.45);
}

.auth-submit:active {
    transform: translateY(0);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--tertiary-bg);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.oauth-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.oauth-btn {
    flex: 1;
    min-width: 130px;
    padding: 12px 18px;
    background: var(--tertiary-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.oauth-btn:hover,
.oauth-btn:focus {
    border-color: var(--primary-color);
    background: var(--secondary-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.oauth-icon {
    font-size: 1.3rem;
}

/* Profile Modal */
.profile-modal-content {
    max-width: 450px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar .avatar-initial {
    font-size: 2rem;
}

.profile-info h3 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--primary-bg);
    border-radius: var(--radius-md);
}

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

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Multiplayer Modal */
.multiplayer-modal-content {
    max-width: 500px;
}

/* Time Control Section */
.time-control-section {
    margin-bottom: var(--spacing-md);
}

.time-control-section label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.time-control-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tc-btn {
    flex: 1;
    min-width: 70px;
    padding: 10px 12px;
    background: var(--tertiary-bg);
    border: 2px solid var(--tertiary-bg);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tc-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: none;
    background: var(--secondary-bg);
}

.tc-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Multiplayer Tabs */
.mp-tabs {
    display: flex;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--tertiary-bg);
}

.mp-tab {
    flex: 1;
    padding: 10px;
    background: var(--tertiary-bg);
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mp-tab:hover {
    background: var(--secondary-bg);
    transform: none;
}

.mp-tab.active {
    background: var(--primary-color);
    color: white;
}

.mp-tab-content {
    min-height: 200px;
}

/* Friends Section */
.friends-search {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.friends-search input {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--tertiary-bg);
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.friends-search input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.friends-list,
.search-results {
    max-height: 250px;
    overflow-y: auto;
}

.search-results h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.friend-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.friend-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.friend-info {
    flex: 1;
    min-width: 0;
}

.friend-name {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-status {
    font-size: 0.8rem;
}

.friend-status.online {
    color: var(--win-color);
}

.friend-status.offline {
    color: var(--text-secondary);
}

.friend-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.challenge-btn,
.follow-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
}

.challenge-btn:hover,
.follow-btn:hover {
    background: var(--secondary-color);
    transform: none;
}

.challenge-btn.disabled {
    background: var(--tertiary-bg);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.following-badge {
    padding: 6px 12px;
    font-size: 0.8rem;
    background: var(--win-color);
    border-radius: var(--radius-sm);
    color: #000;
}

.loading-text,
.empty-text,
.error-text {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-lg);
}

.empty-hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.error-text {
    color: var(--loss-color);
}

button.small {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.mp-option {
    text-align: center;
    padding: var(--spacing-md);
}

.mp-option p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.mp-btn {
    width: 100%;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--tertiary-bg);
    border: 2px solid var(--tertiary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
}

.mp-btn:hover {
    border-color: var(--primary-color);
    background: var(--secondary-bg);
}

.mp-icon {
    font-size: 2rem;
}

.mp-text {
    display: flex;
    flex-direction: column;
}

.mp-text strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

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

.mp-join-section {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.mp-join-section input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--tertiary-bg);
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    color: var(--text-primary);
    font-size: 1rem;
}

.mp-join-section input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.mp-status {
    text-align: center;
    padding: var(--spacing-xl);
}

.mp-loading {
    width: 50px;
    height: 50px;
    border: 4px solid var(--tertiary-bg);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.mp-status p {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.mp-game-code {
    text-align: center;
    padding: var(--spacing-md);
}

.mp-game-code p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.game-code-display {
    font-size: 1.5rem;
    font-weight: bold;
    font-family: monospace;
    color: var(--accent-color);
    background: var(--primary-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
    word-break: break-all;
}

.waiting-text {
    color: var(--text-secondary);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* Notifications */
.game-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    z-index: 2000;
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
}

.game-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.game-notification.success {
    background: var(--win-color);
}

.game-notification.error {
    background: var(--loss-color);
}

.game-notification.info {
    background: var(--primary-color);
}

/* Responsive */
@media (max-width: 600px) {
    .user-section {
        flex-wrap: wrap;
    }
    
    .auth-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .user-info {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .modal-content {
        padding: var(--spacing-md);
        width: 95%;
    }
    
    .profile-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .oauth-buttons {
        flex-direction: column;
    }
    
    .oauth-btn {
        min-width: auto;
    }
}

/* Online Mode Indicator */
.online-mode-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--win-color);
    color: #000;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.online-mode-indicator .status-dot {
    width: 10px;
    height: 10px;
    background: #000;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Opponent Info Display */
.opponent-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
}

.opponent-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--player-o-color);
}

.opponent-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vs-text {
    color: var(--text-secondary);
    font-weight: bold;
}

/* Gamepad Controller Hint */
.controller-hint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--tertiary-bg) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-xl);
    padding: 12px 24px;
    z-index: 2000;
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4),
                0 0 20px rgba(74, 144, 226, 0.2);
}

.controller-hint.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.controller-hint-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.controller-hint .hint-icon {
    font-size: 2rem;
    animation: controllerBounce 0.6s ease infinite alternate;
}

@keyframes controllerBounce {
    from { transform: translateY(0); }
    to { transform: translateY(-3px); }
}

.controller-hint .hint-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.controller-hint .hint-text strong {
    color: var(--primary-color);
    font-size: 1rem;
}

.controller-hint .hint-text small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Gamepad Widget Styles */
.gamepad-widget {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--tertiary-bg);
}

.gamepad-widget.no-controller {
    opacity: 0.6;
}

.gamepad-widget .gamepad-icon {
    font-size: 1.5rem;
}

.gamepad-widget .gamepad-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.gamepad-widget.connected {
    border-color: var(--win-color);
    background: rgba(46, 204, 113, 0.1);
}

.gamepad-player {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
}

.gamepad-player.active {
    background: var(--primary-color);
    color: white;
}

.gamepad-player.inactive {
    opacity: 0.4;
}

.gamepad-player .player-num {
    font-size: 0.8rem;
    font-weight: bold;
}

/* Focus visible styles for gamepad navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
.game-card:focus-visible,
.cell:focus-visible,
.memory-card:focus-visible,
.col-btn:focus-visible,
.difficulty-btn:focus-visible,
.mode-btn:focus-visible,
.filter-btn:focus-visible,
.tc-btn:focus-visible,
.mp-btn:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Gamepad selection styles - higher specificity to override other outlines */
.gamepad-selected,
.cell.gamepad-selected,
.memory-card.gamepad-selected,
.col-btn.gamepad-selected,
button.gamepad-selected {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.5);
    z-index: 10;
    position: relative;
}

.gamepad-board-selected {
    box-shadow: 0 0 20px rgba(255, 204, 0, 0.4), 
                inset 0 0 10px rgba(255, 204, 0, 0.1);
}

.col-btn.gamepad-selected {
    background: var(--accent-color);
    color: #000;
    transform: scale(1.1);
}

.memory-card.gamepad-selected {
    transform: scale(1.05);
}