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

:root {
    --bg: #0c111b;
    --panel: #121a27;
    --panel-2: #161f2d;
    --panel-3: #0f1622;
    --border: #233149;
    --text: #e8eefc;
    --muted: #97a4c0;
    --accent: #71b8ff;
    --accent-2: #63e6c6;
    --warning: #ffd27b;
    --danger: #ff7f90;
    --correct: #e8eefc;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: 'Manrope', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(113, 184, 255, 0.1), transparent 28%),
        linear-gradient(180deg, #0e1420, #0a0f18 70%);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 95%);
}

.app-shell {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto;
    padding: 28px 0 36px;
}

.topbar,
.control-panel,
.typing-card,
.stat-box,
.report-shell,
.chart-panel,
.details-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px;
    border-radius: var(--radius-lg);
}

.eyebrow,
.control-label,
.stat-label,
.section-kicker,
.report-label,
.detail-label {
    color: var(--muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.topbar h1,
.typing-card h2,
.report-shell h2,
.chart-head h3 {
    margin: 0;
}

.topbar h1 {
    margin-top: 6px;
    font-size: 2rem;
}

.subtitle {
    margin: 8px 0 0;
    max-width: 680px;
    color: var(--muted);
    line-height: 1.6;
}

.topbar-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-content: flex-start;
    justify-content: flex-end;
}

.meta-chip {
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--panel-3);
    border: 1px solid var(--border);
    color: var(--muted);
    white-space: nowrap;
}

.control-panel {
    margin-top: 16px;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
}

.control-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.control-row + .control-row {
    margin-top: 14px;
}

.control-label {
    width: 72px;
    padding-top: 11px;
    flex-shrink: 0;
}

.control-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex: 1;
}

.chip-button,
.primary-button,
.secondary-button {
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    font: inherit;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.chip-button:hover,
.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-1px);
}

.chip-button {
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--muted);
}

.chip-button.active {
    background: linear-gradient(135deg, rgba(113, 184, 255, 0.24), rgba(99, 230, 198, 0.24));
    border-color: rgba(113, 184, 255, 0.5);
    color: var(--text);
}

.custom-editor {
    display: flex;
    gap: 12px;
    flex: 1;
    align-items: flex-end;
}

#custom-text {
    width: 100%;
    min-height: 96px;
    resize: vertical;
    background: var(--panel-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    padding: 14px 16px;
    font: 500 0.95rem/1.65 'JetBrains Mono', monospace;
    outline: none;
}

#custom-text:focus {
    border-color: rgba(113, 184, 255, 0.6);
}

.secondary-button,
.primary-button {
    border-radius: 12px;
    padding: 11px 16px;
}

.secondary-button {
    background: var(--panel-2);
}

.primary-button {
    background: linear-gradient(135deg, #65d7c0, #7ab4ff);
    border-color: rgba(113, 184, 255, 0.5);
    color: #08111b;
    font-weight: 700;
}

.game-layout {
    margin-top: 16px;
}

.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.stat-box {
    padding: 16px 18px;
    border-radius: var(--radius-md);
}

.stat-value {
    display: block;
    margin-top: 8px;
    color: var(--warning);
    font: 700 2rem/1 'JetBrains Mono', monospace;
}

.stat-box:first-child .stat-value {
    color: var(--accent-2);
}

.typing-card {
    margin-top: 14px;
    padding: 22px;
    border-radius: var(--radius-lg);
}

.typing-card-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.typing-card h2,
.report-shell h2 {
    margin-top: 6px;
    font-size: 1.6rem;
}

.typing-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 0.95rem;
}

#typing-container {
    position: relative;
    min-height: 190px;
    margin-top: 14px;
    padding: 18px;
    border-radius: var(--radius-md);
    background: var(--panel-3);
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: text;
}

#typing-container:focus-visible {
    outline: 2px solid rgba(113, 184, 255, 0.45);
    outline-offset: 2px;
}

#sentence-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 10px;
    font: 500 clamp(1.25rem, 1.9vw, 1.65rem)/1.8 'JetBrains Mono', monospace;
    color: #50607d;
}

.word {
    display: inline-flex;
    color: #5f6f8a;
}

.char.correct {
    color: var(--correct);
}

.char.incorrect {
    color: var(--danger);
}

.char.missed {
    color: rgba(255, 127, 144, 0.45);
}

#cursor {
    position: absolute;
    width: 2px;
    height: 1.9rem;
    background: linear-gradient(180deg, var(--accent-2), var(--accent));
    border-radius: 999px;
    box-shadow: 0 0 14px rgba(113, 184, 255, 0.28);
    transition: left 0.06s ease, top 0.06s ease;
    animation: blink 1s infinite;
}

.hint-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.86rem;
}

kbd {
    padding: 4px 8px;
    border-radius: 8px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    font: 500 0.8rem 'JetBrains Mono', monospace;
    color: var(--text);
}

#result-view {
    margin-top: 16px;
}

.report-shell {
    padding: 22px;
    border-radius: var(--radius-lg);
}

.report-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.report-highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.report-highlight {
    padding: 18px;
    border-radius: var(--radius-md);
    background: var(--panel-3);
    border: 1px solid var(--border);
}

.report-number {
    display: block;
    margin-top: 8px;
    color: var(--warning);
    font: 700 2.4rem/1 'JetBrains Mono', monospace;
}

.report-content {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.95fr);
    gap: 14px;
    margin-top: 16px;
}

.chart-panel,
.details-panel {
    padding: 18px;
    border-radius: var(--radius-lg);
}

.chart-head p {
    margin: 8px 0 0;
    color: var(--muted);
}

#chart-container {
    margin-top: 16px;
    height: 280px;
}

.details-panel {
    display: grid;
    gap: 12px;
    align-content: start;
}

.detail-section {
    display: grid;
    gap: 10px;
}

.detail-section-title {
    margin: 0;
    color: var(--accent-2);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.detail-item {
    padding: 14px;
    border-radius: 12px;
    background: var(--panel-3);
    border: 1px solid var(--border);
}

.detail-value {
    display: block;
    margin-top: 8px;
    color: var(--text);
    font: 500 0.98rem/1.5 'JetBrains Mono', monospace;
}

.hidden {
    display: none !important;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.25;
    }
}

@media (max-width: 900px) {
    .topbar,
    .typing-card-header,
    .report-header,
    .control-row {
        flex-direction: column;
    }

    .stats-strip,
    .report-highlight-grid,
    .report-content {
        grid-template-columns: 1fr 1fr;
    }

    .control-label {
        width: auto;
        padding-top: 0;
    }

    .custom-editor {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 640px) {
    .app-shell {
        width: min(100% - 20px, 1120px);
        padding-top: 16px;
    }

    .topbar,
    .control-panel,
    .typing-card,
    .report-shell {
        padding: 16px;
    }

    .stats-strip,
    .report-highlight-grid,
    .report-content {
        grid-template-columns: 1fr;
    }

    #typing-container {
        min-height: 160px;
        padding: 14px;
    }

    #sentence-wrapper {
        font-size: 1.1rem;
        gap: 10px 8px;
    }

    #cursor {
        height: 1.55rem;
    }
}