/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
    /* Modern Dark Theme Palette */
    --bg-primary: #0f172a;    /* Slate 900 */
    --bg-secondary: #1e293b;  /* Slate 800 */
    --bg-tertiary: #334155;   /* Slate 700 */
    
    --text-primary: #f8fafc;  /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --text-tertiary: #64748b; /* Slate 500 */
    
    /* Game Colors */
    --accent-primary: #3b82f6; /* Blue 500 */
    --accent-hover: #2563eb;   /* Blue 600 */
    --success: #22c55e;        /* Green 500 */
    --warning: #eab308;        /* Yellow 500 */
    --error: #ef4444;          /* Red 500 */
    --correct: #538d4e;        /* Wordle Green */
    --present: #b59f3b;        /* Wordle Yellow */
    --absent: #3a3a3c;         /* Wordle Dark Gray */
    
    /* UI Elements */
    --border-color: #334155;
    --input-bg: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing Scale */
    --padding-xs: 0.5rem;
    --padding-sm: 0.75rem;
    --padding-md: 1rem;
    --padding-lg: 1.5rem;
    --padding-xl: 2rem;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    -webkit-text-size-adjust: 100%;
}

/* --- App Shell / Navigation --- */
.app-header {
    width: 100%;
    max-width: 1600px;
    padding: var(--padding-md) var(--padding-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--padding-md);
}

.app-header-left {
    display: flex;
    align-items: center;
    gap: var(--padding-lg);
    min-width: 0;
}

.app-header-right {
    display: flex;
    align-items: center;
    gap: var(--padding-sm);
    justify-content: flex-end;
    flex-wrap: wrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--padding-sm);
    padding: var(--padding-xs) var(--padding-md);
    background: var(--bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.nav-link-signin {
    color: var(--success) !important;
}

.nav-link-signin:hover {
    color: #16a34a !important;
    background: rgba(51, 65, 85, 0.45);
}

.user-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.813rem;
}

.app-nav {
    display: flex;
    gap: var(--padding-xs);
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.55rem 0.8rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 0.9rem;
    background: rgba(51, 65, 85, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    touch-action: manipulation;
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--border-color);
    background: rgba(51, 65, 85, 0.45);
}

.nav-link.active {
    color: white;
    background: rgba(59, 130, 246, 0.35);
    border-color: rgba(59, 130, 246, 0.6);
}

.app-main {
    width: 100%;
    max-width: 1600px;
    padding: var(--padding-md) var(--padding-xl);
    flex: 1;
}

.screen[hidden] {
    display: none !important;
}

.screen-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--padding-md);
    margin-bottom: var(--padding-md);
    flex-wrap: wrap;
}

.screen-toolbar-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.screen-toolbar-right {
    display: flex;
    gap: var(--padding-sm);
    align-items: center;
}

.screen-toolbar-middle {
    flex: 1 1 320px;
    min-width: 240px;
}

.screen-toolbar-middle .progress-row {
    gap: var(--padding-xs);
}

.screen-toolbar-middle .progress-text {
    font-size: 0.85rem;
}

.screen-toolbar-middle .progress-bar {
    height: 0.85rem;
}

.screen-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: var(--letter-spacing-tight);
}

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

.screen-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--padding-lg);
    align-items: start;
    margin-bottom: var(--padding-lg);
}

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: var(--padding-lg);
    box-shadow: var(--shadow-md);
}

/* --- View section helpers (Phase 4) --- */
.play-panel {
    display: flex;
    flex-direction: column;
    gap: var(--padding-sm);
    min-height: 0;
}

.surface-box {
    background: var(--bg-primary);
    border-radius: 0.5rem;
}

.surface-box-md {
    padding: var(--padding-md);
}

.muted-text {
    margin: 0;
    color: var(--text-secondary);
}

.muted-center {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

.muted-small {
    font-size: 0.85em;
    padding: 0;
}

.hint-label-spaced {
    margin-bottom: 10px;
}

.select-full {
    width: 100%;
}

.select-spaced {
    margin-bottom: 12px;
}

.help-counter-inline {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    background: var(--bg-tertiary);
    border-radius: 0.25rem;
    font-size: 0.85em;
    font-weight: 600;
    margin-left: 0.3rem;
}

.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--padding-lg);
    flex: 1;
    min-height: 0;
}

.analytics-col {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.analytics-col-sm {
    gap: var(--padding-sm);
    overflow-y: auto;
}

.analytics-col-md {
    gap: var(--padding-md);
    overflow-y: auto;
}

.analytics-col-lg {
    gap: var(--padding-md);
    overflow-y: auto;
}

.analytics-section-title {
    margin: 0 0 10px 0;
    font-size: 1em;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--padding-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.analytics-box {
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 10px;
}

.bar-chart-box {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 180px;
    padding: 10px 10px 20px 10px;
    background: var(--bg-primary);
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
}

/* --- Placeholder Screens (Dictionary/Admin) --- */
.placeholder-panel {
    max-width: 900px;
    margin: 0 auto;
}

.placeholder-text {
    color: var(--text-secondary);
    margin: 0;
}

/* --- Dictionary Screen --- */
.dictionary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--padding-lg);
    align-items: start;
}

.dictionary-col {
    display: flex;
    flex-direction: column;
    gap: var(--padding-lg);
}

.dictionary-col-left {
    /* Natural height - shows all letters */
}

.dictionary-col-right {
    /* Will be set via JavaScript to match left column height */
    display: flex;
    flex-direction: column;
    gap: var(--padding-lg);
}

.dictionary-panel {
    display: flex;
    flex-direction: column;
    gap: var(--padding-md);
    min-height: 0;
}

.dictionary-panel-grow {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.dictionary-words-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--padding-md);
    margin-bottom: var(--padding-sm);
}

.dictionary-words-header h3 {
    margin: 0;
}

.dictionary-summary {
    display: flex;
    flex-direction: column;
    gap: var(--padding-sm);
}

.dictionary-summary-row {
    display: flex;
    justify-content: space-between;
    gap: var(--padding-md);
    padding: var(--padding-sm);
    background: var(--bg-primary);
    border-radius: 0.5rem;
}

.dictionary-summary-label {
    color: var(--text-secondary);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.dictionary-summary-value {
    color: var(--text-primary);
    font-weight: 700;
    text-align: right;
}

.dictionary-muted {
    color: var(--text-secondary);
    margin: 0;
}

.heat-cell {
    /* --heat is an integer percent (0-90) set inline by JS */
    background: color-mix(in srgb, var(--bg-primary), var(--accent-primary) var(--heat));
    border-radius: 6px;
}

.complexity-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 0.85em;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.complexity-pill.complexity-very-easy {
    background: color-mix(in srgb, var(--bg-primary), var(--success) 65%);
}

.complexity-pill.complexity-easy {
    background: color-mix(in srgb, var(--bg-primary), var(--success) 40%);
}

.complexity-pill.complexity-medium {
    background: color-mix(in srgb, var(--bg-primary), var(--warning) 55%);
}

.complexity-pill.complexity-hard {
    background: color-mix(in srgb, var(--bg-primary), var(--error) 40%);
}

.complexity-pill.complexity-very-hard {
    background: color-mix(in srgb, var(--bg-primary), var(--error) 65%);
}

.dictionary-distribution {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    padding: var(--padding-md);
    min-height: 72px;
}

.complexity-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px;
    background: var(--bg-primary);
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
}

.complexity-bar-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.complexity-bar-wrapper {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
}

.complexity-bar {
    width: 100%;
    border-radius: 4px 4px 0 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.complexity-bar:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.complexity-bar-count {
    font-size: 0.95em;
    font-weight: 800;
    color: var(--text-primary);
}

.complexity-bar-percent {
    font-size: 0.75em;
    font-weight: 600;
    color: var(--text-secondary);
}

.complexity-bar-label {
    font-size: 0.7em;
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
    word-break: break-word;
}

.complexity-bar-range {
    font-size: 0.65em;
    color: var(--text-tertiary);
    font-weight: 500;
}

.dictionary-freq-scroll {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    padding: var(--padding-md);
    overflow: visible;
    min-height: auto;
}

.dictionary-words-scroll {
    background: var(--bg-primary);
    border-radius: 0.5rem;
    padding: var(--padding-md);
    overflow-y: scroll;
    flex: 1;
    min-height: 0;
}

@media (max-width: 1024px) {
    .dictionary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--padding-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
}

.progress-row {
    display: flex;
    flex-direction: column;
    gap: var(--padding-sm);
}

.progress-text {
    color: var(--text-secondary);
    font-weight: 700;
}

.progress-bar {
    width: 100%;
    height: 1rem;
}

.hint {
    margin-top: var(--padding-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;

}

/* --- Keyboard focus (Phase 9 QA) --- */
.nav-link:focus-visible,
.btn:focus-visible,
#guessBtn:focus-visible,
select:focus-visible,
.status-dismiss:focus-visible,
summary:focus-visible {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.22);
}

.nav-link:focus-visible {
    color: var(--text-primary);
}

/* --- Bot Demo (Autoplay) --- */
.bot-demo-progress {
    margin-bottom: var(--padding-lg);
}

.bot-demo-toolbar-progress {
    max-width: 520px;
}

.bot-demo-setup-summary {
    cursor: pointer;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.bot-demo-setup-grid {
    margin-top: var(--padding-md);
}

.bot-demo-setup-wide {
    grid-column: 1 / -1;
}

.bot-demo-game-host {
    margin-top: var(--padding-lg);
}

#screen-bot-demo.bot-demo-running .bot-demo-setup {
    display: none;
}

/* --- Bot Performance (Player Analysis) --- */
.bot-performance-progress {
    margin-bottom: var(--padding-lg);
}

.bot-performance-setup-summary {
    cursor: pointer;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.bot-performance-setup-grid {
    margin-top: var(--padding-md);
}

#screen-bot-performance.bot-performance-running .bot-performance-setup {
    display: none;
}

.analysis-results {
    padding: var(--padding-lg);
    max-width: 1400px;
    margin: var(--padding-lg) auto;
}

.analysis-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--padding-lg);
    gap: var(--padding-md);
    flex-wrap: wrap;
}

.analysis-results-title {
    margin: 0;
}

.analysis-results-panel {
    margin-bottom: var(--padding-lg);
}

.analysis-download-btn {
    margin-top: var(--padding-md);
}

.analysis-details-scroll {
    max-height: 500px;
    overflow-y: auto;
}

.analysis-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--padding-md);
}

.analysis-table th {
    padding: 12px;
    text-align: left;
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
}

.analysis-table th.sortable {
    user-select: none;
    transition: background-color 0.2s, color 0.2s;
}

.analysis-table th.sortable:hover {
    background: var(--bg-secondary);
    color: var(--accent-primary);
}

.analysis-table th.sort-asc,
.analysis-table th.sort-desc {
    color: var(--accent-primary);
    background: var(--bg-secondary);
}

.analysis-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.analysis-table .num {
    text-align: right;
    font-weight: 800;
}

.analysis-table .mono {
    font-family: var(--font-mono);
    font-weight: 800;
}

.analysis-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    color: white;
    font-weight: 800;
    font-size: 0.85em;
}

.analysis-pill.won {
    background: var(--success);
}

.analysis-pill.lost {
    background: var(--error);
}

/* --- Header --- */
.header-bar {
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: center;
}

@supports not ((-webkit-backdrop-filter: blur(12px)) or (backdrop-filter: blur(12px))) {
    .header-bar {
        backdrop-filter: none;
    }
}

.header-bar > div {
    width: 100%;
    max-width: 1600px;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--padding-xs);
    letter-spacing: var(--letter-spacing-tight);
    white-space: nowrap;
}

.header-actions {
    display: flex;
    gap: var(--padding-sm);
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* --- Layout --- */
.main-layout {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(420px, 1.65fr) minmax(400px, 2fr);
    grid-template-areas: "history game analytics";
    gap: var(--padding-lg);
    width: 100%;
    flex: 1;
    align-items: start;
}


.history-panel {
    grid-area: history;
}

.game-container {
    grid-area: game;
}

.info-panel {
    grid-area: analytics;
}

/* Small desktop/tablet: 2-column layout */
@media (max-width: 1400px) {
    .main-layout {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "game analytics"
            "history history";
    }
}

/* Tablet: single column stack */
@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "game"
            "analytics"
            "history";
    }
}

/* Mobile: Single column stack */
@media (max-width: 768px) {
    .app-header {
        padding: var(--padding-sm) var(--padding-md);
        flex-direction: column;
        align-items: stretch;
        gap: var(--padding-sm);
    }

    .app-header-left {
        flex-direction: column;
        align-items: center;
        gap: var(--padding-sm);
    }

    .header-title {
        font-size: 1.25rem;
        justify-content: center;
    }

    .app-header-right {
        justify-content: center;
    }

    .app-main {
        padding: var(--padding-sm) var(--padding-md);
    }

    .screen-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    /* Prevent mobile browsers from zooming on form focus */
    select,
    input[type="number"],
    input[type="text"],
    .form-input {
        font-size: 16px;
    }

    .main-layout {
        grid-template-columns: 1fr;
        gap: var(--padding-md);
    }
}

/* --- Panels --- */
.history-panel, .game-container, .info-panel {
    min-height: 0;
}

.info-panel {
    margin-top: 0; /* Remove margin since it's now in grid */
}

h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--padding-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    flex-shrink: 0;
}

.game-history {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.stats-grid {
    flex-shrink: 0;
}

.win-rate-stat {
    flex-shrink: 0;
}

/* --- Game Board --- */
.game-container {
}

.game-info {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--padding-md);
}

.guess-container {
    display: flex;
    flex-direction: column;
    gap: var(--padding-md);
    width: 100%;
    align-items: center;
}

.letter-inputs {
    display: flex;
    gap: var(--padding-xs);
    justify-content: center;
}

.letter-input {
    width: clamp(2.25rem, 8vw, 3.5rem);
    height: clamp(2.25rem, 8vw, 3.5rem);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 4.5vw, 2rem);
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    transition: all 0.15s ease;
    caret-color: transparent; /* Hide cursor */
}

.letter-input:focus {
    border-color: var(--accent-primary);
    outline: none;
    transform: scale(1.05);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.letter-input.filled {
    border-color: var(--text-tertiary);
    background: var(--bg-secondary);
    animation: pop 0.1s ease-in-out;
}

/* --- Guess History --- */
.guess-history {
    display: flex;
    flex-direction: column;
    gap: var(--padding-xs);
    width: 100%;
    align-items: center;
    margin-top: var(--padding-md);
    max-height: 400px;
    overflow-y: auto;
    padding-right: var(--padding-xs);
}

.guess-row {
    display: flex;
    gap: var(--padding-xs);
}

.letter-box {
    width: clamp(2.25rem, 8vw, 3.5rem);
    height: clamp(2.25rem, 8vw, 3.5rem);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 4.5vw, 2rem);
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 0.5rem;
    color: var(--text-primary);
    user-select: none;
}

@media (max-width: 420px) {
    .guess-history {
        max-height: 320px;
    }
}

/* Result Colors */
.letter-correct {
    background-color: var(--correct);
    border: none;
    animation: flip 0.5s ease forwards;
}

.letter-present {
    background-color: var(--present);
    border: none;
    animation: flip 0.5s ease forwards;
}

.letter-absent {
    background-color: var(--absent);
    border: none;
    animation: flip 0.5s ease forwards;
}

/* --- Buttons --- */
.btn {
    padding: var(--padding-xs) var(--padding-md);
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--padding-xs);
    min-height: 44px;
    touch-action: manipulation;
}

.btn-success {
    background-color: var(--success);
    color: white;
}
.btn-success:hover { background-color: #16a34a; }

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.btn-secondary:hover { background-color: #475569; }

.btn-danger {
    background-color: var(--error);
    color: white;
}
.btn-danger:hover { background-color: #dc2626; }

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

#guessBtn {
    width: 100%;
    max-width: 200px;
    padding: var(--padding-sm);
    font-size: 1rem;
    background-color: var(--accent-primary);
    color: white;
    margin-top: var(--padding-xs);
}
#guessBtn:hover { background-color: var(--accent-hover); }
#guessBtn:disabled { background-color: var(--bg-tertiary); cursor: not-allowed; opacity: 0.7; }

/* --- Selectors --- */
select {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--padding-xs) var(--padding-md);
    border-radius: 0.5rem;
    font-family: var(--font-main);
    cursor: pointer;
    min-height: 44px;
    touch-action: manipulation;
}

select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* --- Stats & Info --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--padding-xs);
}

.stat-item {
    background: var(--bg-primary);
    padding: var(--padding-sm);
    border-radius: 0.5rem;
    text-align: center;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.win-rate-stat {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    padding: var(--padding-md);
    border-radius: 0.5rem;
    text-align: center;
    margin-bottom: var(--padding-md);
}

.win-rate-value {
    color: var(--success);
    font-size: 2rem;
    font-weight: 800;
}

/* --- Status Messages --- */
.status {
    padding: var(--padding-xs) var(--padding-md);
    border-radius: 0.5rem;
    font-weight: 600;
    margin-bottom: 0;
    animation: slideDown 0.3s ease-out;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--padding-sm);
    max-width: 720px;
}

.status-message {
    flex: 1;
    min-width: 0;
    text-align: center;
    overflow-wrap: anywhere;
}

.status-dismiss {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: currentColor;
    cursor: pointer;
    border-radius: 0.4rem;
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    line-height: 1;
    flex: 0 0 auto;
}

.status-dismiss:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.status-dismiss:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.status.success { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.3); }
.status.error { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.status.info { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.status.warning { background: rgba(234, 179, 8, 0.2); color: var(--warning); color: color-mix(in srgb, var(--warning) 65%, white); border: 1px solid rgba(234, 179, 8, 0.3); }

/* --- Animations --- */
@keyframes pop {
    0% { transform: scale(0.8); opacity: 0; }
    40% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); }
}

@keyframes flip {
    0% { transform: rotateX(0); background-color: var(--bg-primary); border-color: var(--border-color); }
    45% { transform: rotateX(90deg); background-color: var(--bg-primary); border-color: var(--border-color); }
    55% { transform: rotateX(90deg); }
    100% { transform: rotateX(0); }
}

@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* --- Assistant Panel Specifics --- */
.hint-section {
    background: var(--bg-primary);
    padding: var(--padding-md);
    border-radius: 0.5rem;
    margin-bottom: var(--padding-md);
}

.hint-value {
    color: var(--text-primary);
}

#suggestedWord {
    color: var(--accent-primary);
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* --- Info Panel Specifics --- */
.info-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-xs) 0;
    border-bottom: 1px solid var(--border-color);
}
.info-section:last-child { border-bottom: none; }

.column-chart-section {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--padding-sm) 0;
    gap: var(--padding-xs);
}

/* --- Modal Styles --- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay[style*="display: flex"] {
    display: flex !important;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    transition: all 0.2s;
}

.modal-close-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
}

.modal-body {
    padding: var(--padding-lg);
    display: flex;
    flex-direction: column;
    gap: var(--padding-md);
}

.modal-footer {
    padding: var(--padding-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--padding-md);
    justify-content: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--padding-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--padding-sm) var(--padding-md);
    border-radius: 0.5rem;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
/* ============================================
   Help Content Styles
   ============================================ */

.help-content {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-primary);
}

.help-content h1 {
    color: var(--accent-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-top: 0;
}

.help-content h2 {
    color: var(--success);
    margin-top: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3rem;
}

.help-content h3 {
    color: var(--text-secondary);
    margin-top: 1.5rem;
}

.help-content a {
    color: var(--accent-primary);
    text-decoration: none;
}

.help-content a:hover {
    text-decoration: underline;
}

.help-content code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--success);
}

.help-content pre {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.help-content pre code {
    background: none;
    padding: 0;
}

.help-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.help-content th,
.help-content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.help-content th {
    background: var(--bg-tertiary);
    color: var(--success);
    font-weight: 600;
}

.help-content tr:last-child td {
    border-bottom: none;
}

.help-content ul,
.help-content ol {
    padding-left: 1.5rem;
}

.help-content li {
    margin: 0.5rem 0;
}

.help-content .toc {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0 2rem 0;
    border: 1px solid var(--border-color);
}

.help-content .toc ul {
    list-style: none;
    padding-left: 0;
}

.help-content .toc li {
    margin: 0.3rem 0;
}

.help-content .tip {
    background: var(--bg-secondary);
    border-left: 4px solid var(--success);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.help-content .warning {
    background: var(--bg-secondary);
    border-left: 4px solid var(--warning);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.help-content .code-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.help-content strong {
    color: var(--success);
}

.help-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

/* Role Badge Styles */
.role-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.05em;
}

.role-badge.role-administrator {
    background: #dc3545;
    color: white;
}

.role-badge.role-premium-player {
    background: #28a745;
    color: white;
}

.role-badge.role-registered-player {
    background: #007bff;
    color: white;
}

.role-badge.role-guest {
    background: #6c757d;
    color: white;
}

.role-badge.role-admin {
    background: #dc3545;
    color: white;
}

.role-badge.role-premium {
    background: #28a745;
    color: white;
}

.role-badge.role-user {
    background: #007bff;
    color: white;
}

/* Premium feature overlay */
[data-role="premium"]:not([data-user-role*="premium"]):not([data-user-role*="admin"]) {
    position: relative;
}

[data-role="premium"]:not([data-user-role*="premium"]):not([data-user-role*="admin"])::after {
    content: '🔒 Premium';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    color: #ffc107;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: inherit;
    cursor: not-allowed;
}

/* Admin feature visibility */
[data-role="admin"] {
    border-left: 3px solid #dc3545;
}

/* User feature highlighting */
[data-role="user"] {
    border-left: 2px solid var(--accent-primary);
}