.diagnosis-shell {
    max-width: 1120px;
    margin: 0 auto;
}

.diagnosis-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
}

.diagnosis-eyebrow {
    color: var(--im-brand);
    font-size: var(--im-fs-hint);
    font-weight: 700;
    letter-spacing: .08em;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.diagnosis-intro {
    margin-top: 6px;
    max-width: 680px;
}

.diagnosis-progress-wrap {
    min-width: 220px;
}

.diagnosis-progress-wrap span {
    display: block;
    margin-bottom: 7px;
    text-align: right;
}

.diagnosis-progress-wrap progress {
    appearance: none;
    border: 0;
    border-radius: var(--im-r-pill);
    display: block;
    height: 7px;
    overflow: hidden;
    width: 100%;
}

.diagnosis-progress-wrap progress::-webkit-progress-bar { background: var(--im-line-2); }
.diagnosis-progress-wrap progress::-webkit-progress-value { background: var(--im-brand); }
.diagnosis-progress-wrap progress::-moz-progress-bar { background: var(--im-brand); }

.diagnosis-empty,
.diagnosis-context,
.diagnosis-conversation {
    background: var(--im-surface);
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-lg);
    box-shadow: var(--im-sh-1);
}

.diagnosis-empty {
    padding: 24px;
}

.diagnosis-empty > p {
    margin-top: 5px;
}

.diagnosis-job-list {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: 20px;
}

.diagnosis-method-overview {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 20px;
}

.diagnosis-method-overview > div {
    background: var(--im-surface-2);
    border-radius: var(--im-r-md);
    min-height: 82px;
    padding: 13px 14px;
}

.diagnosis-method-overview strong,
.diagnosis-method-overview span { display: block; }
.diagnosis-method-overview strong { color: var(--im-text); font-size: var(--im-fs-body); }
.diagnosis-method-overview span { color: var(--im-text-3); font-size: var(--im-fs-hint); line-height: 1.55; margin-top: 5px; }

.diagnosis-job-card {
    align-items: flex-start;
    background: var(--im-surface);
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 150px;
    padding: 16px;
}

.diagnosis-job-card .im-btn {
    margin-top: auto;
}

.diagnosis-assignee-field { color: var(--im-text-2); display: grid; font-size: var(--im-fs-hint); gap: 6px; width: 100%; }
.diagnosis-assignee-field select {
    background: var(--im-surface);
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-md);
    color: var(--im-text);
    min-height: 40px;
    padding: 7px 10px;
    width: 100%;
}

.diagnosis-workspace {
    display: grid;
    gap: 16px;
    grid-template-columns: 260px minmax(0, 1fr);
}

.diagnosis-context {
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 18px;
    position: sticky;
    top: 0;
}

.diagnosis-subtitle {
    font-weight: 600;
    margin-bottom: 6px;
}

.diagnosis-requirements {
    display: -webkit-box;
    line-height: 1.65;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 12;
}

.diagnosis-evidence-hints {
    border-top: 1px solid var(--im-line-2);
    padding-top: 18px;
}

.diagnosis-evidence-hints ul { display: grid; gap: 6px; }
.diagnosis-evidence-hints li { color: var(--im-text-3); font-size: var(--im-fs-hint); line-height: 1.45; }
.diagnosis-evidence-hints li::before { color: var(--im-brand); content: '·'; font-weight: 800; margin-right: 7px; }
.diagnosis-ownership { display: grid; gap: 4px; margin-top: 10px; }
.diagnosis-ownership span { color: var(--im-text-3); font-size: var(--im-fs-hint); }

.diagnosis-conversation {
    display: flex;
    flex-direction: column;
    min-height: 640px;
    overflow: hidden;
}

.diagnosis-tool-switcher {
    align-items: center;
    border-bottom: 1px solid var(--im-line);
    display: flex;
    gap: 16px;
    justify-content: space-between;
    padding: 13px 18px;
}

.diagnosis-readonly {
    background: var(--im-brand-soft);
    border-bottom: 1px solid var(--im-brand-border);
    color: var(--im-brand);
    font-size: var(--im-fs-body);
    line-height: 1.55;
    padding: 12px 18px;
}

.diagnosis-tool-switcher strong,
.diagnosis-tool-switcher span { display: block; }
.diagnosis-tool-switcher strong { color: var(--im-text); font-size: var(--im-fs-body); }
.diagnosis-tool-switcher span { color: var(--im-text-3); font-size: var(--im-fs-hint); margin-top: 2px; }
.diagnosis-tool-actions { display: flex; gap: 6px; }
.diagnosis-tool {
    background: transparent;
    border: 0;
    border-radius: var(--im-r-pill);
    color: var(--im-text-3);
    cursor: pointer;
    min-height: 36px;
    padding: 6px 12px;
}
.diagnosis-tool:hover { background: var(--im-state-hover); color: var(--im-text); }
.diagnosis-tool.is-active { background: var(--im-brand-soft); color: var(--im-brand); font-weight: 600; }

.diagnosis-messages {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 14px;
    max-height: 58vh;
    min-height: 380px;
    overflow-y: auto;
    padding: 22px;
}

.diagnosis-message {
    border-radius: var(--im-r-lg);
    line-height: 1.7;
    max-width: 82%;
    padding: 12px 15px;
    white-space: pre-wrap;
}

.diagnosis-message-ai {
    align-self: flex-start;
    background: var(--im-surface-2);
    color: var(--im-text);
}

.diagnosis-message-user {
    align-self: flex-end;
    background: var(--im-brand);
    color: var(--im-surface);
}

.diagnosis-message-label {
    display: block;
    font-size: var(--im-fs-hint);
    font-weight: 600;
    margin-bottom: 3px;
    opacity: .72;
}

.diagnosis-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 22px 12px;
}

.diagnosis-calibration {
    flex: 1;
    overflow-y: auto;
    padding: 22px;
}

.diagnosis-calibration-head {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 18px;
}

.diagnosis-calibration-card {
    background: var(--im-surface-2);
    border-radius: var(--im-r-lg);
    padding: 20px;
}

.diagnosis-candidate-meta { color: var(--im-text-3); font-size: var(--im-fs-hint); margin: 7px 0 14px; }
.diagnosis-candidate-summary { color: var(--im-text-2); line-height: 1.7; white-space: pre-wrap; }
.diagnosis-verdicts { display: grid; gap: 8px; grid-template-columns: repeat(3, 1fr); margin-top: 18px; }
.diagnosis-verdict {
    align-items: center;
    background: var(--im-surface);
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-md);
    color: var(--im-text-2);
    cursor: pointer;
    display: flex;
    gap: 8px;
    min-height: 44px;
    padding: 9px 11px;
}
.diagnosis-verdict:has(input:checked) { background: var(--im-brand-soft); border-color: var(--im-brand-border); color: var(--im-brand); font-weight: 600; }
.diagnosis-feedback-reason { margin-top: 14px; }
.diagnosis-feedback-reason label { color: var(--im-text-2); display: block; font-size: var(--im-fs-body); font-weight: 600; margin-bottom: 7px; }
.diagnosis-feedback-reason textarea {
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-md);
    line-height: 1.6;
    min-height: 88px;
    padding: 10px 11px;
    resize: vertical;
    width: 100%;
}
.diagnosis-calibration-actions { align-items: center; display: flex; justify-content: space-between; margin-top: 14px; }
.diagnosis-calibration-empty { color: var(--im-text-3); padding: 36px 16px; text-align: center; }
.diagnosis-calibration-empty .im-btn { margin-top: 16px; }
.diagnosis-calibration-ready {
    background: var(--im-success-soft, #f0fdf4);
    border-radius: var(--im-r-lg);
    padding: 22px;
}
.diagnosis-calibration-ready > p { color: var(--im-text-2); line-height: 1.65; margin-top: 6px; }
.diagnosis-signal-list { display: grid; gap: 8px; margin-top: 16px; }
.diagnosis-signal-list li { color: var(--im-text-2); font-size: var(--im-fs-body); }
.diagnosis-signal-list li::before { color: var(--im-success, #16a34a); content: '✓'; font-weight: 700; margin-right: 8px; }
.diagnosis-calibration-ready-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

.diagnosis-choice {
    background: var(--im-brand-soft);
    border: 1px solid var(--im-brand-border);
    border-radius: var(--im-r-pill);
    color: var(--im-brand);
    cursor: pointer;
    min-height: 38px;
    padding: 7px 13px;
}

.diagnosis-choice:hover { background: var(--im-state-hover); }

.diagnosis-composer {
    border-top: 1px solid var(--im-line);
    padding: 16px 20px;
}

.diagnosis-composer textarea {
    background: var(--im-surface);
    border: 1px solid var(--im-line);
    border-radius: var(--im-r-md);
    color: var(--im-text);
    line-height: 1.6;
    min-height: 88px;
    padding: 11px 12px;
    resize: vertical;
    width: 100%;
}

.diagnosis-composer-actions {
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
}

.diagnosis-action-buttons {
    display: flex;
    gap: 8px;
}

.diagnosis-report {
    border-top: 1px solid var(--im-line);
    padding: 22px;
}

.diagnosis-report h2 { margin-bottom: 12px; }
.diagnosis-report h3 { margin: 18px 0 6px; }
.diagnosis-report ul { list-style: disc; margin-left: 20px; }
.diagnosis-report li { color: var(--im-text-2); line-height: 1.7; margin: 3px 0; }
.diagnosis-report p { color: var(--im-text-2); line-height: 1.7; }

.diagnosis-empty-state {
    border: 1px dashed var(--im-line);
    border-radius: var(--im-r-md);
    color: var(--im-text-3);
    grid-column: 1 / -1;
    padding: 24px;
    text-align: center;
}

.diagnosis-choice:focus-visible,
.diagnosis-assignee-field select:focus-visible,
.diagnosis-tool:focus-visible,
.diagnosis-verdict:focus-within,
.diagnosis-feedback-reason textarea:focus-visible,
.diagnosis-composer textarea:focus-visible {
    outline: 3px solid rgba(var(--im-brand-rgb), .24);
    outline-offset: 2px;
}

@media (max-width: 800px) {
    .diagnosis-header { align-items: stretch; flex-direction: column; }
    .diagnosis-progress-wrap { min-width: 0; }
    .diagnosis-progress-wrap span { text-align: left; }
    .diagnosis-workspace { grid-template-columns: 1fr; }
    .diagnosis-context { position: static; }
    .diagnosis-conversation { min-height: 560px; }
    .diagnosis-message { max-width: 92%; }
    .diagnosis-method-overview { grid-template-columns: repeat(2, 1fr); }
    .diagnosis-tool-switcher { align-items: stretch; flex-direction: column; }
}

@media (max-width: 520px) {
    .diagnosis-composer-actions { align-items: stretch; flex-direction: column; }
    .diagnosis-action-buttons { display: grid; grid-template-columns: 1fr 1fr; }
    .diagnosis-method-overview { grid-template-columns: 1fr; }
    .diagnosis-tool-actions { display: grid; grid-template-columns: repeat(3, 1fr); }
    .diagnosis-tool { padding-inline: 8px; }
    .diagnosis-verdicts { grid-template-columns: 1fr; }
    .diagnosis-calibration-ready-actions { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    .diagnosis-choice { scroll-behavior: auto; }
}