/* ── Scenario Practice panel ──────────────────────────────────────────────
   Namespaced entirely under .msm-scn- so it can never collide with existing
   chat/exam/flashcard styles. Uses the same theme CSS variables (--surface,
   --text, --accent, --border, --radius, --shadow, --font) already defined
   by chat.css, so it automatically matches light/dark theme + fonts. */

.msm-scn-wrap { font-family: var(--font); color: var(--text); max-width: 640px; margin: 0 auto; }

.msm-scn-screen { display: none; }
.msm-scn-screen-active { display: block; }

/* ── Setup card ─────────────────────────────────────────────────────── */
.msm-scn-setup-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow);
}
.msm-scn-setup-hd { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.msm-scn-logo {
    width: 52px; height: 52px; flex-shrink: 0; border-radius: 14px;
    background: var(--accent-bg); color: var(--accent);
    display: flex; align-items: center; justify-content: center;
}
.msm-scn-title { font-size: 19px; font-weight: 700; margin: 0 0 4px; letter-spacing: -.01em; }
.msm-scn-subtitle { font-size: 13px; color: var(--text2); margin: 0; line-height: 1.5; }

.msm-scn-step-dots { display: flex; gap: 6px; justify-content: center; margin-bottom: 18px; }
.msm-scn-dot { width: 22px; height: 4px; border-radius: 3px; background: var(--border); transition: background .2s; }
.msm-scn-dot-current, .msm-scn-dot-done { background: var(--accent); }

.msm-scn-step-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.msm-scn-step-back {
    background: none; border: none; color: var(--accent); font-size: 12.5px; font-weight: 600;
    cursor: pointer; padding: 4px 0;
}
.msm-scn-step-selected { font-size: 12px; color: var(--text3); font-weight: 600; }
.msm-scn-step-label { font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 10px; }

.msm-scn-step-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.msm-scn-pill {
    padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--pill-bg); color: var(--text); font-size: 13.5px; font-weight: 600;
    cursor: pointer; transition: background .15s, border-color .15s, transform .1s;
}
.msm-scn-pill:hover { background: var(--pill-hover); }
.msm-scn-pill:active { transform: scale(.97); }
.msm-scn-pill-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.msm-scn-cta {
    width: 100%; margin-top: 16px; padding: 13px 18px; border: none; border-radius: 12px;
    background: var(--accent); color: #fff; font-size: 14.5px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    cursor: pointer; transition: opacity .15s, transform .1s;
}
.msm-scn-cta:hover:not(:disabled) { opacity: .92; }
.msm-scn-cta:active:not(:disabled) { transform: scale(.985); }
.msm-scn-cta:disabled { opacity: .45; cursor: not-allowed; }

.msm-scn-error {
    margin-top: 12px; padding: 10px 12px; border-radius: 10px;
    background: rgba(220,38,38,.08); color: #dc2626; font-size: 12.5px; font-weight: 600;
}

/* ── Scenario task screen ──────────────────────────────────────────────── */
.msm-scn-back-btn {
    display: flex; align-items: center; gap: 4px; background: none; border: none;
    color: var(--text2); font-size: 13px; font-weight: 600; cursor: pointer;
    padding: 6px 0; margin-bottom: 10px;
}

.msm-scn-mode-toggle {
    display: flex; gap: 4px; background: var(--pill-bg); border-radius: 12px;
    padding: 4px; margin-bottom: 16px;
}
.msm-scn-mode-btn {
    flex: 1; padding: 10px 8px; border: none; border-radius: 9px; background: transparent;
    color: var(--text2); font-size: 12.5px; font-weight: 700; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: background .15s, color .15s;
}
.msm-scn-mode-active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow3); }

.msm-scn-context-card {
    background: var(--accent-bg); border: 1px solid var(--border2); border-radius: var(--radius);
    padding: 18px; margin-bottom: 16px;
}
.msm-scn-context-label {
    display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .04em; color: var(--accent); margin-bottom: 8px;
}
.msm-scn-context-text { font-family: var(--font-serif); font-size: 15px; line-height: 1.7; color: var(--text); margin: 0; }

.msm-scn-tasks { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.msm-scn-task-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
    padding: 16px; transition: border-color .2s;
}
.msm-scn-task-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.msm-scn-task-label {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: #fff;
    font-size: 12px; font-weight: 800; flex-shrink: 0;
}
.msm-scn-task-marks { font-size: 11.5px; font-weight: 700; color: var(--text3); }
.msm-scn-task-prompt { font-size: 14px; line-height: 1.55; color: var(--text); margin: 0 0 10px; }

.msm-scn-task-input {
    width: 100%; min-height: 76px; padding: 11px 12px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--bg2); color: var(--text);
    font-family: var(--font); font-size: 13.5px; line-height: 1.5; resize: vertical;
}
.msm-scn-task-input:focus { outline: none; border-color: var(--accent); }

.msm-scn-reveal-btn {
    margin-top: 4px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px;
    background: none; color: var(--accent); font-size: 12px; font-weight: 700; cursor: pointer;
}
.msm-scn-model-answer {
    margin-top: 10px; padding: 12px; border-radius: 10px; background: rgba(34,197,94,.08);
    border: 1px solid rgba(34,197,94,.2); font-size: 13px; line-height: 1.55; display: none;
}
.msm-scn-model-answer strong { color: #16a34a; }
.msm-scn-model-answer-shown { display: block; }
.msm-scn-note { color: var(--text2); font-size: 12px; margin-top: 6px; }

/* Post-grading feedback state per task */
.msm-scn-task-card[data-verdict="correct"]  { border-color: rgba(34,197,94,.4); }
.msm-scn-task-card[data-verdict="partial"]  { border-color: rgba(245,158,11,.45); }
.msm-scn-task-card[data-verdict="incorrect"], .msm-scn-task-card[data-verdict="unanswered"] { border-color: rgba(220,38,38,.35); }
.msm-scn-task-feedback { margin-top: 10px; padding: 10px 12px; border-radius: 10px; font-size: 12.5px; line-height: 1.5; }
.msm-scn-task-feedback-correct   { background: rgba(34,197,94,.08); color: #16a34a; }
.msm-scn-task-feedback-partial   { background: rgba(245,158,11,.08); color: #b45309; }
.msm-scn-task-feedback-incorrect,
.msm-scn-task-feedback-unanswered,
.msm-scn-task-feedback-ungraded  { background: rgba(220,38,38,.07); color: #b91c1c; }
.msm-scn-task-marks-badge { font-weight: 800; }

.msm-scn-actions { display: flex; gap: 10px; }
.msm-scn-secondary-btn {
    padding: 13px 18px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
    color: var(--text); font-size: 13.5px; font-weight: 700; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.msm-scn-secondary-btn:hover { background: var(--pill-hover); }

/* ── Result summary ────────────────────────────────────────────────────── */
.msm-scn-result {
    margin-top: 18px; padding: 20px; border-radius: var(--radius); text-align: center;
    background: var(--accent-bg); border: 1px solid var(--border2);
}
.msm-scn-result-score { font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1; }
.msm-scn-result-label { font-size: 13px; color: var(--text2); margin-top: 6px; font-weight: 600; }

/* ── Loading ────────────────────────────────────────────────────────────── */
.msm-scn-loading {
    display: flex; flex-direction: column; align-items: center; gap: 14px;
    padding: 50px 20px; color: var(--text2); font-size: 13.5px; font-weight: 600;
}
.msm-scn-spinner {
    width: 30px; height: 30px; border-radius: 50%;
    border: 3px solid var(--border); border-top-color: var(--accent);
    animation: msm-scn-spin .8s linear infinite;
}
@keyframes msm-scn-spin { to { transform: rotate(360deg); } }

@media (max-width: 520px) {
    .msm-scn-setup-card { padding: 18px 14px; }
    .msm-scn-actions { flex-direction: column; }
}