/* --- General Button Reset to Ensure Consistent Styling --- */
button {
    border: none;
    margin: 0;
    padding: 0;
    width: auto;
    overflow: visible;
    background: transparent;
    color: inherit;
    font: inherit;
    line-height: normal;
    -webkit-font-smoothing: inherit;
    -moz-osx-font-smoothing: inherit;
    -webkit-appearance: none;
    cursor: pointer;
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: 100%;
    max-width: 1600px;
    height: 100%; /* Ensure it takes full height of main-content */
    padding: 0.5rem; /* Added padding to all sides */
}

@media (min-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 2fr 1fr;
        /* Main content 2/3, Sidebar 1/3 */
        grid-template-rows: 1fr;
    }
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Cards & Sections */
.dashboard-section {
    background-color: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Section 3: Main (Play) */
.section-main {
    background-color: transparent;
    /* Container is transparent, children are cards */
    padding: 0;
    gap: 1.5rem;
}

/* Complex Play Card Styles */
.complex-play-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 400px;
    
    padding: 0;
    /* Reset padding for internal layout */
}

.play-tabs {
    display: flex;
    background-color: var(--bg-card-header);
    border-bottom: 1px solid var(--bg-card-border);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 1rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    background-color: var(--bg-card);
    color: var(--color-text-primary);
}

.tab-btn.active {
    color: var(--color-accent) !important;
    border-bottom-color: var(--color-accent) !important;
    background-color: var(--bg-card) !important;
}

.play-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex: 1;
}

.time-controls-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 768px) {
    .time-controls-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.time-btn {
    background-color: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-text-secondary);
}

.time-btn:hover {
    background-color: var(--bg-hover);
    transform: translateY(-2px);
}

.time-btn.active {
    border-color: var(--color-accent) !important;
    background-color: var(--bg-hover) !important;
    color: var(--color-text-primary) !important;
}

.time-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-secondary) !important; /* Ensure icon color */
}

.time-btn.active i {
    color: var(--color-accent) !important;
}

.time-btn span {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-primary) !important; /* Ensure main text color */
}

.time-btn .label {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text-secondary) !important; /* Ensure label color */
}

.game-options {
    background-color: var(--bg-card-header);
    padding: 1rem;
    border-radius: 0.5rem;
}

.option-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.select-input {
    background-color: var(--bg-secondary) !important;
    border: none !important;
    color: var(--color-text-primary) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.25rem !important;
    font-family: inherit !important;
    cursor: pointer !important;
}

.btn-primary-large {
    background-color: var(--color-accent);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: auto;
}

.btn-primary-large:hover {
    background-color: var(--color-accent-hover);
}

.btn-primary-large .main-text {
    font-size: 1.5rem;
    font-weight: 800;
}

.btn-primary-large .sub-text {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Secondary Actions */
.secondary-actions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.action-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.action-card.full-width {
    grid-column: span 2;
}

.learning-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.lesson-info {
    flex: 1;
}

.lesson-info h4 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.btn-small {
    background-color: var(--bg-secondary) !important;
    color: white !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem !important;
    cursor: pointer !important;
    font-weight: 600 !important;
}

.btn-small:hover {
    background-color: var(--bg-hover) !important;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.card-header h3 {
    color: var(--color-text-primary);
    font-size: 1.1rem;
}

.progress-bar {
    height: 6px;
    background-color: var(--bg-card-header);
    border-radius: 3px;
    margin-top: 0.5rem;
}

.progress {
    height: 100% !important;
    background-color: var(--color-accent) !important;
}

/* Hero Card - used on profile and puzzles pages */
.hero-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
}

/* Section 1: Profile */
.section-profile {
    flex: 0 0 auto;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar-placeholder {
    width: 60px;
    height: 60px;
    background-color: #8b47eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    overflow: hidden;
}

.avatar-placeholder i, .player-avatar i {
    display: block;
}

.avatar-placeholder img, .player-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.profile-info h3 {
    font-size: 1.2rem;
}

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

.recent-games {
    margin-top: 1.5rem;
}

.recent-games h4 {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    padding-left: 1rem;
}

.game-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    transition: background-color 0.2s;
}

.game-item:hover {
    background-color: var(--bg-hover);
}

.game-item .result {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.game-item.win .result {
    background-color: hsl(120, 60%, 40%) !important; /* Green for win */
    color: white !important;
}

.game-item.loss .result {
    background-color: hsl(0, 70%, 50%) !important; /* Red for loss */
    color: white !important;
}

.game-item .opponent {
    flex-grow: 1;
    color: var(--color-text-primary);
}

.game-item .date {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* --- Robot ELO Modal --- */
.robot-modal-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
    width: 90%;
    max-width: 420px;
    background-color: var(--bg-card);
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid var(--bg-card-border);
    position: absolute; /* Changed for JS positioning */
}

.robot-modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-primary);
}

.robot-modal-header i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.robot-modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.robot-modal-p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    text-align: center;
}

.elo-slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.elo-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: hsl(216, 15%, 15%);
    border-radius: 5px;
    outline: none;
    opacity: 0.9;
    transition: opacity .2s;
}

.elo-slider:hover {
    opacity: 1;
}

.elo-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid hsl(216, 15%, 22%);
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.elo-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid hsl(216, 15%, 22%);
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.elo-display-box {
    background: hsl(216, 15%, 15%);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    min-width: 60px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

#elo-display-input {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    outline: none;
    text-align: center;
    width: 60px;
    -moz-appearance: textfield; /* Firefox */
}

#elo-display-input::-webkit-outer-spin-button,
#elo-display-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.robot-modal-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.robot-modal-buttons .btn {
    flex: 1;
    background-color: var(--color-accent);
    color: white;
}

.robot-modal-buttons .btn:hover {
    background-color: var(--color-accent-hover);
}

.robot-modal-buttons .btn.btn-secondary {
    background-color: var(--color-btn-gray);
    color: var(--color-text-secondary);
}

.robot-modal-buttons .btn.btn-secondary:hover {
    background-color: var(--color-btn-gray-hover);
    color: white;
}


#chessboard {
    width: 100% !important;
    max-width: min(85vh, 800px) !important;
    aspect-ratio: 1 / 1;
}

/* Player Cards */
.player-card {
    grid-column: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    gap: 1rem;
}

.player-card-top {
    grid-row: 1;
}

.player-card-bottom {
    grid-row: 3;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.player-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #8b47eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    overflow: hidden;
}

.player-card-top .player-avatar.stockfish-pfp {
    background: #212730; /* Specific background for Stockfish PFP */
}

.player-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.player-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

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

/* Timer Styling - Chess.com inspired */
.player-timer {
    background: var(--bg-secondary);
    border-radius: 0.375rem;
    padding: 0.5rem 0.875rem;
    min-width: 80px;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.player-timer.active {
    background: var(--bg-card);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.timer-display {
    font-family: 'Inter', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-primary);
    text-align: center;
    letter-spacing: 0.5px;
}

/* Game Info Panel */
.game-info-panel {
    grid-column: 2;
    grid-row: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.game-status-display {
    padding: 0.75rem;
    background: var(--bg-card-header);
    border-radius: 0.5rem;
    color: var(--color-text-primary);
    font-weight: 600;
    text-align: center;
}

.pgn-display {
    height: 200px;
    overflow-y: auto;
    padding: 1rem;
    background: var(--bg-card-header);
    border-radius: 0.5rem;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.daily-puzzle-board {
    background-color: var(--bg-card-header);
    border-radius: 0.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 150px;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 1rem;
}

.daily-puzzle-board i {
    font-size: 2.5rem;
    color: var(--color-text-secondary);
}

.section-puzzles .btn.btn-secondary {
    background-color: var(--bg-secondary) !important;
    color: var(--color-text-primary) !important;
    border-radius: 0.5rem !important;
    padding: 0.75rem 1.5rem !important;
    font-weight: 600 !important;
}

.section-puzzles .btn.btn-secondary:hover {
    background-color: var(--bg-hover) !important;
}

.game-mode-section .btn-game-mode.selected {
    box-shadow: none;
    border: 2px solid var(--color-accent);
}

/* Section 2: Puzzles (Bottom Right) */
.section-puzzles {
    flex: 1; /* Make it expand to fill available space */
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.puzzle-rating {
    background-color: hsl(265, 50%, 40%); /* A slightly darker accent purple */
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 1400px) {
    .game-container {
        grid-template-columns: 1fr 280px;
    }

    #chessboard {
        max-width: min(75vh, 600px) !important;
    }
}

@media (max-width: 1024px) {
    .game-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto auto;
        max-height: none;
    }

    .board-wrapper {
        grid-column: 1;
        grid-row: 2;
    }

    .player-card-top {
        grid-row: 1;
        grid-column: 1;
    }

    .player-card-bottom {
        grid-row: 3;
        grid-column: 1;
    }

    .game-info-panel {
        grid-column: 1;
        grid-row: 4;
    }

    #chessboard {
        max-width: min(70vh, 500px) !important;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        padding: 0.75rem 0.75rem 0;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    .section-main {
        padding-bottom: 1rem;
        overflow-x: hidden;
        max-width: 100%;
    }

    .hero-card {
        padding: 1rem;
        overflow-x: hidden;
        max-width: 100%;
    }

    /* Profile page specific fixes */
    .hero-card > div {
        flex-direction: column !important;
        gap: 1rem !important;
        align-items: flex-start !important;
    }

    .hero-card .avatar-placeholder {
        width: 80px !important;
        height: 80px !important;
        font-size: 2rem !important;
    }

    .hero-card h1 {
        font-size: 1.5rem !important;
    }

    .hero-card button {
        font-size: 0.85rem !important;
        padding: 0.6rem 0.8rem !important;
    }

    /* Stats grid on profile */
    .action-card {
        overflow-x: hidden;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Ensure grids don't overflow */
    [style*="display: grid"] {
        max-width: 100% !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
    }

    /* Fix inline flex containers */
    [style*="display: flex"] {
        max-width: 100% !important;
        overflow-x: hidden !important;
        flex-wrap: wrap !important;
        box-sizing: border-box !important;
    }
}

/* --- Skeleton Loader Styles --- */
@keyframes skeleton-shimmer {
    0% { background-position: -468px 0; }
    100% { background-position: 468px 0; }
}

.skeleton {
    color: transparent !important;
    user-select: none;
    background-color: var(--bg-secondary);
    background-image: linear-gradient(to right, 
        var(--bg-secondary) 0%, 
        var(--bg-hover) 20%, 
        var(--bg-secondary) 40%, 
        var(--bg-secondary) 100%);
    background-repeat: no-repeat;
    background-size: 800px 104px;
    animation: skeleton-shimmer 1.5s linear infinite;
    border-radius: 4px;
}

.is-loading .skeleton {
    display: inline-block;
}

.is-loading .profile-info h3,
.is-loading .profile-info .elo {
    min-height: 1.2rem;
    width: 70%;
}

.is-loading .profile-info .elo {
    width: 40%;
}

.is-loading .avatar-placeholder {
    background-color: var(--bg-secondary);
}