[data-intensive-module]{max-width:760px;margin:auto;padding:16px;overflow-wrap:anywhere}
[data-intensive-module] button,[data-intensive-module] select,[data-intensive-module] input[type=text]{font:inherit;min-height:44px;border:1px solid #cbd5e1;border-radius:8px;padding:10px 14px;background:#fff;color:#163348;max-width:100%}
[data-intensive-module] button{cursor:pointer;white-space:normal}
[data-intensive-module] button:hover{background:#edf6f7}
[data-intensive-module] button:disabled{opacity:.55;cursor:wait}
[data-intensive-module] :focus-visible{outline:3px solid #197c86;outline-offset:2px}
.lt-intensive-actions{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.lt-intensive-options{display:grid;gap:10px;margin:16px 0}
.lt-intensive-options button{text-align:left}
.lt-intensive-sentence{font-size:1.3rem;line-height:1.6;padding:16px;background:#edf6f7;border-radius:8px}
.lt-intensive-feedback{line-height:1.5;color:#163348}
[data-intensive-stage] form{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
[data-intensive-module] [hidden]{display:none!important}

/* Scoped controls override older back-button styles in this pilot only. */
.lt-mobile-app [data-intensive-module] button{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;height:auto;border:1px solid #cbd5e1;border-radius:8px;padding:10px 14px;background:#fff;color:#163348;font-family:inherit;font-size:14px;font-weight:500;line-height:1.4;box-shadow:0 1px 2px #16334814;text-decoration:none;margin:0;vertical-align:middle}
.lt-mobile-app [data-intensive-module] .lt-intensive-options button{justify-content:flex-start}
.lt-intensive-flag{width:22px;height:16px;min-width:22px;flex-shrink:0;display:inline-block;vertical-align:middle;border-radius:2px;box-shadow:0 0 0 1px #16334822}
.lt-intensive-language-line{display:flex;align-items:flex-start;gap:9px}
.lt-intensive-language-line .lt-intensive-flag{margin-top:.25em}
.lt-mobile-app [data-intensive-module] .lt-intensive-feedback.is-correct{color:#16703c;font-size:1.15rem;font-weight:700;padding:12px 14px;background:#e9f6ed;border:1px solid #b8dec3;border-radius:8px}
.lt-intensive-feedback.is-assisted{color:#7c5415;font-weight:600}
.lt-intensive-audio-note{font-size:.9rem;line-height:1.5}

.lt-intensive-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}
.lt-intensive-form-grid>div{min-width:0;display:flex;flex-direction:column;gap:10px}
.lt-intensive-form-grid h4{margin:0 0 4px;font-size:1rem}
.lt-intensive-form-row{border:1px solid #cbd5e1;border-radius:8px;padding:12px;min-height:44px;align-items:center;background:#fff}
.lt-intensive-form-row.is-current{border:2px solid #197c86;background:#e8f5f7;font-weight:700}
.lt-intensive-form-row.is-correct,.lt-mobile-app [data-intensive-module] button.is-correct{color:#16703c;border-color:#9dccab;background:#e9f6ed}
.lt-mobile-app [data-intensive-module] button.is-wrong{color:#a32424;background:#fdeaea;border-color:#dc9c9c}
.lt-mobile-app [data-intensive-module] [data-form-choice]{text-align:left;justify-content:flex-start;width:100%}
@media(max-width:480px){.lt-intensive-form-grid{gap:8px}.lt-intensive-form-row{padding:8px;flex-wrap:wrap}.lt-mobile-app [data-intensive-module] [data-form-choice]{padding:8px;font-size:13px}}

/* v1.3.301: one scroll direction, readable text, and touch targets at 320px. */
.lt-mobile-app [data-intensive-module]{box-sizing:border-box;width:100%;min-width:0;padding:12px}
.lt-mobile-app [data-intensive-module] button,.lt-mobile-app [data-intensive-module] select,.lt-mobile-app [data-intensive-module] input[type=text]{font-size:16px;min-height:48px;max-width:100%;overflow-wrap:anywhere}
.lt-intensive-setup-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.lt-intensive-setup-fields label{display:flex;flex-direction:column;gap:6px;min-width:0}
.lt-intensive-card{min-width:0;box-sizing:border-box;margin:12px 0;padding:12px;border:1px solid #d4e0e5;border-radius:8px;background:#f8fbfc}
.lt-intensive-card .lt-intensive-card{padding:0;margin:8px 0 0;border:0;background:transparent}
.lt-intensive-card h4{margin:0 0 8px;font-size:1rem}
.lt-intensive-card p{margin:8px 0;line-height:1.55}
.lt-intensive-language-line [data-intensive-text]{min-width:0}
.lt-intensive-language-line u{text-underline-offset:4px;text-decoration-thickness:2px;font-weight:600}
.lt-intensive-audio{justify-content:flex-end;margin:8px 0}
.lt-intensive-audio small{line-height:1.5;color:#52677a}
.lt-intensive-template{font-size:1.3rem;line-height:1.5;background:#edf6f7;padding:12px;border-radius:8px}
[data-intensive-stage] label{display:block}
[data-intensive-stage] input[type=text]{display:block;width:100%;box-sizing:border-box;margin:8px 0}
.lt-intensive-letters{font-size:1.4rem;line-height:1.6;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.lt-intensive-letters .is-correct{color:#16703c}.lt-intensive-letters .is-wrong{color:#a32424;text-decoration:underline}.lt-intensive-letters .is-missing{color:#64748b}
.lt-intensive-form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.lt-mobile-app [data-intensive-module] [data-form-left],.lt-mobile-app [data-intensive-module] [data-form-right]{width:100%;justify-content:flex-start;text-align:left;padding:10px 8px;font-size:16px;gap:6px;min-width:0}
.lt-mobile-app [data-intensive-module] [data-form-left] span,.lt-mobile-app [data-intensive-module] [data-form-right] span{min-width:0;overflow-wrap:anywhere}
.lt-mobile-app [data-intensive-module] button.is-current{border:2px solid #197c86;background:#e8f5f7}
.lt-mobile-app [data-intensive-module] button.is-correct:disabled{opacity:1;cursor:default}
.lt-intensive-help{padding:10px;border:2px solid #197c86;border-radius:8px}
.lt-intensive-feedback:empty{display:none}
@media(max-width:480px){
 .lt-mobile-app [data-intensive-module]{padding:8px}
 .lt-intensive-form-grid{gap:8px}
 .lt-intensive-setup-fields{grid-template-columns:minmax(0,1fr)}
 [data-intensive-navigation]{gap:8px;margin:0 0 10px}
 [data-intensive-navigation] button{flex:1 1 110px}
 .lt-intensive-actions>button{flex:1 1 120px}
 .lt-intensive-card{padding:10px}
}

/* Meaning and grammatical label share the same German choice button. */
.lt-intensive-choice-text{display:flex;flex-direction:column;gap:4px}
.lt-intensive-choice-meaning{font-weight:600;line-height:1.4}
.lt-intensive-choice-label{font-size:.875em;line-height:1.4}
.lt-intensive-choice-explanation{font-size:.875em;line-height:1.5;color:#405568}
.lt-intensive-feedback p{font-size:1rem;font-weight:400;line-height:1.55;margin:8px 0}
.lt-intensive-feedback .lt-intensive-card{color:#163348;font-weight:400}

/* Both columns share equally sized rows; the longest choice sets their height. */
.lt-intensive-form-grid{grid-template-rows:auto;grid-auto-rows:1fr;align-items:stretch}
.lt-intensive-form-grid>div{display:contents}
.lt-intensive-form-grid>div:first-child>*{grid-column:1}
.lt-intensive-form-grid>div:last-child>*{grid-column:2}
.lt-intensive-form-grid h4{grid-row:1}
[data-intensive-module] .lt-intensive-form-grid [data-form-left],
[data-intensive-module] .lt-intensive-form-grid [data-form-right]{height:100%;box-sizing:border-box;align-self:stretch}

/* v1.3.309: searchable, touch-friendly introduced-word list. */
.lt-mobile-app [data-intensive-module] input[type=search]{box-sizing:border-box;display:block;width:100%;max-width:100%;min-height:48px;margin:8px 0;font:inherit;font-size:16px;padding:10px 14px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#163348}

/* Distinguish learning actions with subtle colors and the same control shape. */
.lt-mobile-app [data-intensive-module] button[data-intensive-start]{background:#e9f6ed;border-color:#9dccab;color:#1b5737}
.lt-mobile-app [data-intensive-module] button[data-intensive-start]:hover{background:#dcefe2}
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=all],
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=all],
.lt-mobile-app [data-panel=words] button[data-intensive-browse=all]{background:#edf3fc;border-color:#b7cbed;color:#24476d}
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=all]:hover,
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=all]:hover,
.lt-mobile-app [data-panel=words] button[data-intensive-browse=all]:hover{background:#e0eafa}
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=unsure],
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=unsure],
.lt-mobile-app [data-panel=words] button[data-intensive-browse=unsure]{background:#fff5e5;border-color:#e2c593;color:#6b4d19}
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=unsure]:hover,
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=unsure]:hover,
.lt-mobile-app [data-panel=words] button[data-intensive-browse=unsure]:hover{background:#ffedce}

/* Explicit self-assessment has its own gentle teal action color. */
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=understood],
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=understood],
.lt-mobile-app [data-panel=words] button[data-intensive-browse=understood]{background:#e8f6f4;border-color:#a3cec7;color:#245953}
.lt-mobile-app [data-intensive-module] button[data-intensive-browse=understood]:hover,
.lt-mobile-app [data-intensive-module] button[data-intensive-filter=understood]:hover,
.lt-mobile-app [data-panel=words] button[data-intensive-browse=understood]:hover{background:#d9eeea}

/* v1.3.320: consistent gentle action colors throughout guided word learning. */
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=continue]{background:#e9f6ed;border-color:#9dccab;color:#1b5737}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=later]{background:#fff5e5;border-color:#e2c593;color:#6b4d19}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=audio]{background:#f1edfb;border-color:#cfc2e8;color:#52406e}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=back]{background:#edf3f8;border-color:#b9cbd9;color:#34516a}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=end]{background:#fbeeed;border-color:#e0b9b5;color:#7a3d38}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone=secondary]:not([data-intensive-filter]):not([data-intensive-browse]){background:#edf3fc;border-color:#b7cbed;color:#24476d}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone]:hover:not(:disabled){filter:brightness(.97)}
/* Selection and correctness remain stronger than the base action color. */
.lt-mobile-app [data-intensive-module] button[data-intensive-tone].is-current{background:#e8f5f7;border-color:#197c86}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone].is-correct{background:#e9f6ed;border-color:#9dccab;color:#16703c}
.lt-mobile-app [data-intensive-module] button[data-intensive-tone].is-wrong{background:#fdeaea;border-color:#dc9c9c;color:#a32424}

.lt-mobile-app [data-panel=daily-study] button[data-daily-study-back]{background:#edf3f8;border-color:#b9cbd9;color:#34516a}
.lt-mobile-app [data-panel=daily-study] button[data-daily-study-stop]{background:#fbeeed;border-color:#e0b9b5;color:#7a3d38}
.lt-mobile-app [data-panel=daily-study] button[data-daily-study-next]{background:#e9f6ed;border-color:#9dccab;color:#1b5737}
.lt-mobile-app [data-panel=daily-study] button[data-daily-study-retry]{background:#fff5e5;border-color:#e2c593;color:#6b4d19}

/* v1.3.331: word modals live outside .lt-mobile-app. Keep quiz state visible
   in every host, including hover and the temporary request lock. */
[data-intensive-module] .lt-intensive-form-grid button[data-form-left],
[data-intensive-module] .lt-intensive-form-grid button[data-form-right]{display:flex;align-items:center;justify-content:flex-start;text-align:left;width:100%;min-width:0;min-height:48px;padding:10px 8px;gap:6px;font-size:16px;line-height:1.4}
[data-intensive-module] .lt-intensive-form-grid .lt-intensive-choice-text{min-width:0;overflow-wrap:anywhere}
.lt-mobile-app [data-intensive-module] .lt-intensive-form-grid button[data-form-left][aria-pressed=true],
[data-intensive-module] .lt-intensive-form-grid button[data-form-left][aria-pressed=true]{background:#125d85;color:#fff!important;border:2px solid #073d5b;box-shadow:inset 0 0 0 1px #ffffff55;font-weight:700;opacity:1}
.lt-mobile-app [data-intensive-module] .lt-intensive-form-grid button[data-intensive-tone].is-correct,
[data-intensive-module] .lt-intensive-form-grid button[data-intensive-tone].is-correct{background:#e9f6ed;color:#16703c!important;border-color:#9dccab;opacity:1}
.lt-mobile-app [data-intensive-module] .lt-intensive-form-grid button[data-intensive-tone].is-wrong,
[data-intensive-module] .lt-intensive-form-grid button[data-intensive-tone].is-wrong{background:#fdeaea;color:#a32424!important;border-color:#dc9c9c;opacity:1}
[data-intensive-module] .lt-intensive-form-grid .lt-intensive-selection-marker{display:none;font-size:.8em;line-height:1.3;font-weight:700}
[data-intensive-module] .lt-intensive-form-grid [aria-pressed=true] .lt-intensive-selection-marker{display:block}
.lt-mobile-app [data-intensive-module] .lt-intensive-form-grid button[data-form-left][aria-pressed=true].is-wrong,
[data-intensive-module] .lt-intensive-form-grid button[data-form-left][aria-pressed=true].is-wrong{background:#fdeaea;color:#a32424!important;border-color:#dc9c9c}