.fleksi-tts-app,
.fleksi-tts-app * {
    box-sizing: border-box;
}

.fleksi-tts-app {
    --ftts-bg: #f4f6fb;
    --ftts-card: #ffffff;
    --ftts-text: #132033;
    --ftts-muted: #657083;
    --ftts-line: #dfe5ef;
    --ftts-soft: #eef3fb;
    --ftts-primary: #2563eb;
    --ftts-primary-dark: #1d4ed8;
    --ftts-good: #15803d;
    --ftts-good-bg: #dcfce7;
    --ftts-bad: #b91c1c;
    --ftts-bad-bg: #fee2e2;
    --ftts-warn: #92400e;
    --ftts-warn-bg: #fef3c7;
    width: 100%;
    max-width: none !important;
    min-height: 100svh;
    margin: 0 !important;
    padding: 0 !important;
    background: var(--ftts-bg);
    color: var(--ftts-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ftts-shell {
    background: linear-gradient(180deg, #ffffff 0%, var(--ftts-bg) 100%);
    min-height: 100svh;
    border: 0;
    border-radius: 0;
    padding: clamp(10px, 1.8vw, 22px);
    box-shadow: none;
}

.ftts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-radius: 22px;
    background: #0f172a;
    color: #ffffff;
}

.ftts-title h2 {
    margin: 0;
    font-size: clamp(22px, 4vw, 34px);
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #ffffff;
}

.ftts-title p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
}

.ftts-progress-card {
    min-width: 210px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    padding: 12px;
}

.ftts-progress-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.ftts-progress-track {
    height: 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.ftts-progress-fill {
    display: block;
    height: 100%;
    width: 0%;
    border-radius: inherit;
    background: #60a5fa;
    transition: width 0.25s ease;
}

.ftts-toolbar {
    display: grid;
    grid-template-columns: 1.2fr 1fr auto;
    gap: 12px;
    align-items: center;
    margin: 14px 0;
}

.ftts-control,
.ftts-button {
    border: 1px solid var(--ftts-line);
    border-radius: 14px;
    background: var(--ftts-card);
    color: var(--ftts-text);
    min-height: 44px;
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
}

.ftts-control:focus,
.ftts-button:focus {
    border-color: var(--ftts-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.ftts-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
    white-space: nowrap;
}

.ftts-button:hover {
    transform: translateY(-1px);
    border-color: #c8d2e2;
}

.ftts-button.primary {
    color: #ffffff;
    background: var(--ftts-primary);
    border-color: var(--ftts-primary);
}

.ftts-button.primary:hover {
    background: var(--ftts-primary-dark);
}

.ftts-button.ghost {
    background: transparent;
}

.ftts-button.warn {
    background: var(--ftts-warn-bg);
    color: var(--ftts-warn);
    border-color: #fde68a;
}

.ftts-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
    gap: 16px;
    align-items: start;
}

.ftts-board-panel,
.ftts-side-panel {
    background: var(--ftts-card);
    border: 1px solid var(--ftts-line);
    border-radius: 24px;
    padding: 14px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

.ftts-level-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 12px;
}

.ftts-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 7px 10px;
    background: var(--ftts-soft);
    color: #344256;
    font-size: 12px;
    font-weight: 800;
}

.ftts-chip.done {
    background: var(--ftts-good-bg);
    color: var(--ftts-good);
}

.ftts-chip.locked {
    background: #f1f5f9;
    color: #64748b;
}

.ftts-board-scroll {
    width: 100%;
    overflow: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
}

.ftts-grid {
    --ftts-cell: clamp(30px, 7.2vw, 45px);
    display: grid;
    grid-template-columns: repeat(var(--ftts-cols), var(--ftts-cell));
    grid-auto-rows: var(--ftts-cell);
    gap: 4px;
    width: max-content;
    max-width: none;
    margin: 0 auto;
    padding: 8px;
    border-radius: 18px;
    background: #e7edf7;
}

.ftts-cell {
    position: relative;
    border-radius: 10px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    overflow: hidden;
}

.ftts-cell.block {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.ftts-cell.active {
    border-color: var(--ftts-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18);
}

.ftts-cell.in-word {
    background: #eff6ff;
}

.ftts-cell.good {
    background: var(--ftts-good-bg);
    border-color: #86efac;
}

.ftts-cell.bad {
    background: var(--ftts-bad-bg);
    border-color: #fecaca;
}

.ftts-num {
    position: absolute;
    left: 4px;
    top: 2px;
    z-index: 2;
    color: #475569;
    font-size: 9px;
    line-height: 1;
    font-weight: 900;
    pointer-events: none;
}

.ftts-input {
    width: 100%;
    height: 100%;
    border: 0;
    padding: 10px 2px 2px;
    background: transparent;
    color: var(--ftts-text);
    text-align: center;
    font-size: clamp(16px, 4vw, 22px);
    line-height: 1;
    font-weight: 900;
    text-transform: uppercase;
    outline: none;
    caret-color: var(--ftts-primary);
}

.ftts-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.ftts-message {
    margin-top: 12px;
    min-height: 42px;
    border-radius: 16px;
    padding: 11px 12px;
    background: var(--ftts-soft);
    color: #334155;
    font-size: 14px;
    font-weight: 700;
}

.ftts-message.good {
    background: var(--ftts-good-bg);
    color: var(--ftts-good);
}

.ftts-message.bad {
    background: var(--ftts-bad-bg);
    color: var(--ftts-bad);
}

.ftts-side-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.ftts-side-title h3 {
    margin: 0;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.ftts-clue-group + .ftts-clue-group {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ftts-line);
}

.ftts-clue-group h4 {
    margin: 0 0 8px;
    color: var(--ftts-muted);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ftts-clue-list {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ftts-clue {
    width: 100%;
    border: 1px solid var(--ftts-line);
    border-radius: 14px;
    background: #ffffff;
    text-align: left;
    padding: 10px;
    cursor: pointer;
    color: var(--ftts-text);
    transition: background 0.16s ease, border-color 0.16s ease;
}

.ftts-clue:hover,
.ftts-clue.active {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.ftts-clue.done {
    background: var(--ftts-good-bg);
    border-color: #bbf7d0;
}

.ftts-clue strong {
    display: inline-flex;
    min-width: 28px;
    color: var(--ftts-primary);
}

.ftts-clue span {
    color: var(--ftts-muted);
    font-size: 12px;
    font-weight: 800;
}

.ftts-footer-note {
    color: var(--ftts-muted);
    font-size: 12px;
    margin-top: 12px;
    line-height: 1.5;
}

@media (max-width: 920px) {
    .fleksi-tts-app {
        padding: 0 !important;
    }

    .ftts-shell {
        border-radius: 0;
        padding: 10px;
    }

    .ftts-header {
        display: block;
        padding: 14px;
    }

    .ftts-progress-card {
        margin-top: 14px;
        min-width: 0;
    }

    .ftts-toolbar {
        grid-template-columns: 1fr;
    }

    .ftts-main {
        grid-template-columns: 1fr;
    }

    .ftts-board-panel,
    .ftts-side-panel {
        border-radius: 18px;
        padding: 12px;
    }

    .ftts-actions .ftts-button {
        flex: 1 1 calc(50% - 10px);
    }
}

@media (max-width: 480px) {
    .ftts-grid {
        --ftts-cell: 32px;
        gap: 3px;
        padding: 6px;
    }

    .ftts-actions .ftts-button {
        flex: 1 1 100%;
    }

    .ftts-clue {
        padding: 9px;
    }
}