:root {
    --cw-green: #2f7d5b;
    --cw-green-dark: #1d5b41;
    --cw-green-soft: #e8f5ee;
    --cw-avocado: #8fbf56;
    --cw-ink: #143126;
    --cw-muted: #5f7269;
    --cw-line: #dfe9e3;
    --cw-card: #ffffff;
    --cw-bg: #f6faf7;
    --cw-shadow: 0 20px 50px rgba(20, 49, 38, 0.12);
    --cw-radius: 24px;
}

.cw-app, .cw-app * { box-sizing: border-box; }
.cw-app {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--cw-ink);
    background:
        radial-gradient(circle at top left, rgba(143, 191, 86, 0.24), transparent 34rem),
        linear-gradient(180deg, #f9fcfa 0%, var(--cw-bg) 100%);
    padding: clamp(18px, 4vw, 48px);
    border-radius: 28px;
}

.cw-shell { max-width: 980px; margin: 0 auto; }
.cw-card {
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(223, 233, 227, 0.9);
    border-radius: var(--cw-radius);
    box-shadow: var(--cw-shadow);
    padding: clamp(22px, 4vw, 36px);
    margin-bottom: 22px;
}

.cw-hero { position: relative; overflow: hidden; }
.cw-hero:after {
    content: "";
    position: absolute;
    width: 220px; height: 220px;
    right: -90px; top: -90px;
    background: linear-gradient(135deg, rgba(47,125,91,0.18), rgba(143,191,86,0.28));
    border-radius: 999px;
}
.cw-brand-row { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1; }
.cw-brand-mark {
    width: 58px; height: 58px;
    border-radius: 18px;
    display: grid; place-items: center;
    font-weight: 800;
    letter-spacing: -0.06em;
    color: #fff;
    background: linear-gradient(135deg, var(--cw-green), var(--cw-avocado));
    box-shadow: 0 14px 28px rgba(47,125,91,0.22);
}
.cw-kicker { color: var(--cw-green); font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.cw-hero h1, .cw-card h2 { margin: 0; letter-spacing: -0.04em; }
.cw-hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 0.95; }
.cw-card h2 { font-size: clamp(25px, 4vw, 36px); line-height: 1.05; }
.cw-hero-copy { max-width: 760px; margin: 22px 0 0; color: var(--cw-muted); font-size: 18px; line-height: 1.58; position: relative; z-index: 1; }
.cw-hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; position: relative; z-index: 1; }
.cw-hero-pills span {
    padding: 9px 13px;
    border-radius: 999px;
    background: var(--cw-green-soft);
    color: var(--cw-green-dark);
    font-size: 13px;
    font-weight: 700;
}

.cw-card-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 22px; }
.cw-card-head p { color: var(--cw-muted); margin: 9px 0 0; line-height: 1.5; }
.cw-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 8px;
    border-radius: 18px;
    background: #eef6f1;
    margin-bottom: 18px;
}
.cw-tab {
    border: 0;
    background: transparent;
    color: var(--cw-muted);
    font-weight: 800;
    padding: 13px 10px;
    border-radius: 14px;
    cursor: pointer;
}
.cw-tab.is-active { background: #fff; color: var(--cw-green-dark); box-shadow: 0 8px 20px rgba(20,49,38,0.08); }
.cw-panel { display: none; }
.cw-panel.is-active { display: block; }
.cw-label, .cw-field span { display: block; font-weight: 800; color: var(--cw-ink); margin-bottom: 8px; }
.cw-textarea, .cw-input, .cw-field select {
    width: 100%;
    border: 1px solid var(--cw-line);
    border-radius: 18px;
    background: #fbfdfc;
    color: var(--cw-ink);
    padding: 15px 16px;
    font: inherit;
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.cw-textarea { min-height: 220px; resize: vertical; line-height: 1.55; }
.cw-textarea:focus, .cw-input:focus, .cw-field select:focus {
    border-color: rgba(47,125,91,0.55);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(47,125,91,0.11);
}
.cw-inline-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.cw-upload-box {
    display: grid;
    place-items: center;
    text-align: center;
    gap: 8px;
    min-height: 200px;
    border: 2px dashed #bfd8ca;
    background: linear-gradient(180deg, #fbfdfc, #f2faf5);
    border-radius: 22px;
    cursor: pointer;
    padding: 24px;
}
.cw-upload-icon {
    width: 56px; height: 56px;
    display: grid; place-items: center;
    border-radius: 18px;
    background: var(--cw-green-soft);
    color: var(--cw-green);
    font-size: 32px;
    font-weight: 900;
}
.cw-upload-title { font-size: 19px; font-weight: 900; }
.cw-upload-subtitle, .cw-file-status, .cw-wiki-status { color: var(--cw-muted); font-size: 14px; }
.cw-file { position: absolute; left: -9999px; }
.cw-file-status, .cw-wiki-status { margin-top: 12px; }
.cw-options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.cw-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.cw-actions-split { display: grid; grid-template-columns: 1fr 1fr; }
.cw-button {
    border: 0;
    border-radius: 16px;
    padding: 14px 18px;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.cw-button:hover { transform: translateY(-1px); }
.cw-button-primary { background: linear-gradient(135deg, var(--cw-green), var(--cw-green-dark)); color: #fff; box-shadow: 0 14px 24px rgba(47,125,91,0.24); }
.cw-button-secondary { background: var(--cw-green-soft); color: var(--cw-green-dark); }
.cw-button-ghost { background: transparent; color: var(--cw-green-dark); border: 1px solid var(--cw-line); }
.cw-button[disabled] { opacity: .55; cursor: wait; transform: none; }
.cw-alert { margin-top: 14px; color: #8a4b10; font-weight: 700; }
.cw-alert.is-good { color: var(--cw-green-dark); }

.cw-learning-card { min-height: 500px; }
.cw-progress-meta { display: flex; justify-content: space-between; color: var(--cw-muted); font-weight: 800; font-size: 14px; margin-bottom: 8px; }
.cw-progress-track { height: 10px; border-radius: 999px; background: #edf5f0; overflow: hidden; }
.cw-progress-bar { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--cw-green), var(--cw-avocado)); transition: width .25s ease; }
.cw-card-stage {
    margin-top: 28px;
    padding: clamp(18px, 4vw, 34px);
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff, #f8fcfa);
    border: 1px solid var(--cw-line);
}
.cw-card-type { color: var(--cw-green); text-transform: uppercase; letter-spacing: .08em; font-weight: 900; font-size: 12px; margin-bottom: 10px; }
.cw-card-stage h2 { color: var(--cw-green-dark); }
.cw-original-unit, .cw-example-text {
    font-size: clamp(18px, 3vw, 24px);
    line-height: 1.55;
    margin: 22px 0;
    color: var(--cw-ink);
}
.cw-original-unit {
    padding: 18px;
    border-left: 5px solid var(--cw-avocado);
    background: #f5faf7;
    border-radius: 16px;
}
.cw-example-text {
    padding: clamp(20px, 4vw, 30px);
    background: var(--cw-green-soft);
    border-radius: 22px;
    color: var(--cw-green-dark);
    font-weight: 750;
}
.cw-question { color: var(--cw-muted); font-weight: 800; }
.cw-learning-footer { display: flex; justify-content: space-between; margin-top: 18px; }
.cw-link-button { border: 0; background: transparent; color: var(--cw-green-dark); font-weight: 900; cursor: pointer; padding: 8px; }

.cw-summary-card { text-align: center; }
.cw-summary-icon {
    width: 72px; height: 72px;
    margin: 0 auto 16px;
    display: grid; place-items: center;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--cw-green), var(--cw-avocado));
    color: #fff;
    font-size: 38px;
    font-weight: 900;
}
.cw-summary-card p { color: var(--cw-muted); }
.cw-summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.cw-summary-grid div { padding: 18px; background: #f5faf7; border-radius: 18px; }
.cw-summary-grid strong { display: block; font-size: 30px; color: var(--cw-green-dark); }
.cw-summary-grid span { color: var(--cw-muted); font-size: 13px; font-weight: 800; }
.cw-review-list { text-align: left; display: grid; gap: 10px; margin-top: 18px; }
.cw-review-item { padding: 14px; border: 1px solid var(--cw-line); border-radius: 16px; background: #fff; }
.cw-review-item strong { color: var(--cw-green-dark); }

@media (max-width: 700px) {
    .cw-app { padding: 12px; border-radius: 18px; }
    .cw-card { padding: 18px; border-radius: 20px; }
    .cw-brand-row { align-items: flex-start; }
    .cw-brand-mark { width: 50px; height: 50px; border-radius: 16px; }
    .cw-hero-copy { font-size: 16px; }
    .cw-tabs { grid-template-columns: 1fr; }
    .cw-inline-form, .cw-options-grid, .cw-actions-split, .cw-summary-grid { grid-template-columns: 1fr; }
    .cw-button { width: 100%; }
    .cw-learning-footer { gap: 10px; }
}