/* ============================================================
   styles.css — 简历匹配工具 · 学术风格设计
   Academic Journal Aesthetic
   ============================================================ */

:root {
  /* ---- 背景 ---- */
  --bg:              #f9f7f1;
  --bg-secondary:    #f3efe6;
  --card:            #ffffff;
  --card-hover:      #faf8f5;

  /* ---- 边框 ---- */
  --border:          #d4cfc4;
  --border-light:    #e8e4db;
  --rule:            #c4bfb4;

  /* ---- 文字 ---- */
  --text:            #2d2d2d;
  --text-dim:        #5a5550;
  --text-muted:      #8a857d;

  /* ---- 学术主色 ---- */
  --navy:            #1a365d;
  --navy-bg:         rgba(26, 54, 93, 0.05);
  --crimson:         #7b2d3b;
  --crimson-bg:      rgba(123, 45, 59, 0.05);
  --steel:           #2c5282;
  --steel-bg:        rgba(44, 82, 130, 0.06);

  /* ---- 语义色 ---- */
  --green:           #2d6a4f;
  --green-bg:        rgba(45, 106, 79, 0.06);
  --gold:            #8b7500;
  --gold-bg:         rgba(139, 117, 0, 0.06);
  --orange:          #c05621;
  --orange-bg:       rgba(192, 86, 33, 0.06);
  --red:             #8b0000;
  --red-bg:          rgba(139, 0, 0, 0.06);
  --plum:            #6b3a6b;
  --plum-bg:         rgba(107, 58, 107, 0.06);
  --slate:           #5a6475;
  --slate-bg:        rgba(90, 100, 117, 0.06);

  /* ---- 排版 ---- */
  --font-serif:      "Noto Serif SC", "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans:       "Noto Sans SC", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:       "JetBrains Mono", "Fira Code", Consolas, monospace;

  /* ---- 尺寸 ---- */
  --radius:          8px;
  --radius-sm:       5px;
  --content-max:     1040px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 17px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   Container
   ============================================================ */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ============================================================
   Header — Journal Masthead Style
   ============================================================ */
.header {
  text-align: center;
  margin-bottom: 48px;
  padding: 48px 0 32px;
  position: relative;
}

.header::after {
  content: '';
  display: block;
  width: 80px;
  height: 2px;
  background: var(--navy);
  margin: 24px auto 0;
  opacity: 0.4;
}

.header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.header h1 .accent {
  color: var(--crimson);
  font-style: italic;
}

.header .subtitle {
  font-size: 0.92rem;
  color: var(--text-dim);
  font-style: italic;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.header .badges {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.header .badge {
  font-size: 0.72rem;
  font-family: var(--font-sans);
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ============================================================
   Step Indicator — Research Process
   ============================================================ */
.step-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 44px;
  gap: 0;
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-serif);
  transition: color 0.35s;
}

.step-indicator .step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text-muted);
  transition: all 0.35s;
}

.step-indicator.active {
  color: var(--navy);
  font-weight: 600;
}
.step-indicator.active .step-num {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}

.step-indicator.completed {
  color: var(--green);
}
.step-indicator.completed .step-num {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.step-line {
  width: 56px;
  height: 1.5px;
  background: var(--border);
  margin: 0 14px;
  transition: background 0.35s;
}
.step-indicator.completed + .step-line {
  background: var(--green);
}

/* ============================================================
   Step Panels
   ============================================================ */
.step-panel { display: none; }
.step-panel.active { display: block; animation: fadeSlideIn 0.5s ease; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Section Titles (academic heading style)
   ============================================================ */
.section-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.section-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 24px;
  line-height: 1.65;
}

/* ============================================================
   Upload Section
   ============================================================ */
.upload-section {
  max-width: 580px;
  margin: 0 auto;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 52px 36px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  background: var(--card);
  position: relative;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid var(--border-light);
  border-radius: calc(var(--radius) - 4px);
  pointer-events: none;
  transition: border-color 0.3s;
}

.drop-zone:hover {
  border-color: var(--navy);
  background: #fdfcf9;
}
.drop-zone:hover::before {
  border-color: var(--navy);
  opacity: 0.3;
}

.drop-zone.drag-over {
  border-color: var(--navy);
  background: var(--navy-bg);
  transform: scale(1.01);
}
.drop-zone.drag-over::before {
  border-color: var(--navy);
  opacity: 0.5;
}

.drop-zone .upload-icon {
  font-size: 2.6rem;
  margin-bottom: 14px;
  display: block;
  opacity: 0.6;
}
.drop-zone .upload-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 6px;
}
.drop-zone .upload-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.drop-zone .upload-formats {
  margin-top: 14px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.format-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--bg-secondary);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
  letter-spacing: 0.04em;
}

/* ============================================================
   Upload Status
   ============================================================ */
#uploadStatus { margin-top: 20px; }

.upload-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--steel-bg);
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  color: var(--steel);
  font-size: 0.88rem;
}

.upload-error {
  padding: 16px 20px;
  background: var(--red-bg);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  color: var(--red);
  font-size: 0.88rem;
}

.upload-success {
  padding: 20px;
  background: var(--green-bg);
  border: 1px solid var(--green);
  border-radius: var(--radius);
}
.file-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.file-icon { font-size: 1.4rem; }
.file-name {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--green);
}
.file-meta {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.text-preview { margin: 12px 0; }
.text-preview summary {
  cursor: pointer;
  color: var(--steel);
  font-size: 0.82rem;
  margin-bottom: 8px;
  font-weight: 500;
}
.text-preview pre {
  background: #fafaf7;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
}

/* ============================================================
   JD Input
   ============================================================ */
.jd-section {
  max-width: 680px;
  margin: 0 auto;
}

.jd-textarea {
  width: 100%;
  min-height: 260px;
  padding: 18px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  line-height: 1.7;
  resize: vertical;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.jd-textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px var(--navy-bg);
}
.jd-textarea::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.jd-options {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.jd-drop-zone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
}
.jd-drop-zone:hover {
  border-color: var(--navy);
  color: var(--navy);
}
.jd-drop-zone.drag-over {
  border-color: var(--navy);
  background: var(--navy-bg);
}

.char-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
  font-family: var(--font-mono);
}

/* ============================================================
   Buttons — Academic/Understated
   ============================================================ */
.btn {
  padding: 10px 26px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  letter-spacing: 0.02em;
}
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-primary:hover:not(:disabled) {
  background: #254972;
  border-color: #254972;
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-secondary);
  border-color: var(--text-muted);
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 1rem;
}

/* ============================================================
   Step Navigation
   ============================================================ */
.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   Spinner
   ============================================================ */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Results — Hero / Score Display
   ============================================================ */
.result-hero {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  margin-bottom: 36px;
}

.score-number {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}
.score-max {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-dim);
}

.score-grade {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 20px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-serif);
  border: 1.5px solid;
  letter-spacing: 0.03em;
}

.score-positioning {
  margin-top: 20px;
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  font-style: italic;
}

.score-meta {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.76rem;
  color: var(--text-muted);
}
.score-meta span {
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ============================================================
   Section Labels — Like paper section headers
   ============================================================ */
.section-label {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.03em;
  position: relative;
}
.section-label::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--navy);
}

/* ============================================================
   Dimension Cards
   ============================================================ */
.dim-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

@media (max-width: 820px) {
  .dim-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .dim-grid { grid-template-columns: 1fr; }
}

.dim-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 14px;
  text-align: center;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.dim-card:hover {
  border-color: var(--navy);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.dim-icon { font-size: 1.4rem; margin-bottom: 8px; }

.dim-name {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.dim-score {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
}
.dim-max {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.dim-bar {
  height: 4px;
  border-radius: 2px;
  margin-top: 10px;
  background: var(--border-light);
  overflow: hidden;
}
.dim-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.7s ease;
}

.dim-status {
  font-size: 0.74rem;
  margin-top: 8px;
  font-weight: 500;
}

/* ============================================================
   Tables — Academic/LaTeX inspired
   ============================================================ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

th, td {
  text-align: left;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border-light);
}

th {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #fdfcf9;
}

.weight-col {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.82rem;
}

.evidence-col {
  color: var(--text-dim);
  font-size: 0.8rem;
  max-width: 300px;
  word-break: break-word;
}

.keyword-summary {
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--text-dim);
  font-family: var(--font-serif);
}

/* ============================================================
   Tags & Badges — Category Labels
   ============================================================ */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}
.tag-hit { background: var(--green-bg); color: var(--green); border: 1px solid rgba(45,106,79,0.2); }
.tag-miss { background: var(--red-bg); color: var(--red); border: 1px solid rgba(139,0,0,0.15); }

.cat-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cat-hard_skills      { background: rgba(44,82,130,0.1); color: var(--steel); border: 1px solid rgba(44,82,130,0.18); }
.cat-industry_terms    { background: rgba(107,58,107,0.1); color: var(--plum); border: 1px solid rgba(107,58,107,0.18); }
.cat-soft_skills       { background: rgba(139,117,0,0.1); color: var(--gold); border: 1px solid rgba(139,117,0,0.18); }
.cat-seniority_markers { background: rgba(192,86,33,0.1); color: var(--orange); border: 1px solid rgba(192,86,33,0.18); }
.cat-company_culture   { background: rgba(90,100,117,0.1); color: var(--slate); border: 1px solid rgba(90,100,117,0.18); }
.cat-implicit          { background: rgba(45,106,79,0.1); color: var(--green); border: 1px solid rgba(45,106,79,0.18); }

/* ============================================================
   Dimension Detail Boxes — Like paper footnotes
   ============================================================ */
.detail-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
}
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.detail-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}
.detail-score-badge {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid;
}

.score-item {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  font-size: 0.85rem;
  align-items: baseline;
}
.score-val {
  font-weight: 700;
  min-width: 40px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.score-val.pos { color: var(--green); }
.score-val.neg { color: var(--red); }

.severity-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-left: 8px;
  vertical-align: middle;
}
.sev-fatal   { background: var(--red); }
.sev-serious { background: var(--gold); }
.sev-minor   { background: var(--text-muted); }

/* ============================================================
   Suggestions — Like peer review comments
   ============================================================ */
.suggestion-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  transition: box-shadow 0.2s;
}
.suggestion-card:hover {
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.suggestion-card.s-todo {
  border-left-color: var(--gold);
}

.sug-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 14px;
}
.sug-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--navy);
}

.sug-type {
  font-size: 0.7rem;
  padding: 3px 12px;
  border-radius: 3px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.sug-type.rewrite { background: var(--steel-bg); color: var(--steel); border: 1px solid rgba(44,82,130,0.2); }
.sug-type.todo    { background: var(--gold-bg); color: var(--gold); border: 1px solid rgba(139,117,0,0.2); }

.sug-desc {
  font-size: 0.86rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  line-height: 1.65;
}

.sug-meta {
  display: flex;
  gap: 18px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.sug-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
   Cross-Role Comparison Table
   ============================================================ */
.cross-role-table .bar-col { min-width: 160px; }

.cross-role-bar {
  height: 22px;
  border-radius: 4px;
  background: var(--border-light);
  overflow: hidden;
}

.cross-role-fill {
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding-left: 10px;
  font-size: 0.73rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: #fff;
  min-width: 32px;
  transition: width 0.7s ease;
}

.current-role td {
  background: var(--navy-bg);
}

.current-tag {
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--navy);
  color: #fff;
  margin-left: 6px;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.score-col { width: 56px; text-align: center; }

.note-col {
  color: var(--text-dim);
  font-size: 0.83rem;
  font-style: italic;
}

/* ============================================================
   Result Actions
   ============================================================ */
.result-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   Privacy Note
   ============================================================ */
.privacy-note {
  text-align: center;
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}
.privacy-note .lock { color: var(--green); }

/* ============================================================
   Charts & Visualisations — Academic Journal Figures
   ============================================================ */

/* ---- Charts Row (radar + donut side by side) ---- */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

@media (max-width: 720px) {
  .charts-row { grid-template-columns: 1fr; }
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 14px 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  transition: box-shadow 0.3s;
}
.chart-card:hover {
  box-shadow: 0 3px 14px rgba(0,0,0,0.06);
}
.chart-card-full {
  margin-bottom: 28px;
}

.chart-title {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  position: relative;
}
.chart-title::after {
  content: '';
  display: block;
  width: 32px;
  height: 1.5px;
  background: var(--navy);
  margin: 8px auto 0;
  opacity: 0.35;
}

.chart-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 250px;
  max-height: 250px;
  margin: 0 auto;
}
.chart-donut {
  aspect-ratio: auto;
  max-height: 260px;
  min-height: 200px;
}
.chart-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---- Word Cloud ---- */
.wordcloud-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  margin-bottom: 28px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.wordcloud-canvas {
  display: block;
  width: 100%;
  height: 400px;
}

/* ---- Cross-role bar chart ---- */
.chart-hbar {
  aspect-ratio: auto;
  max-height: 400px;
  min-height: 280px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .container { padding: 24px 16px 60px; }
  .header { padding: 32px 0 20px; }
  .header h1 { font-size: 1.5rem; }
  .score-number { font-size: 2.8rem; }
  .step-bar { gap: 0; }
  .step-line { width: 32px; margin: 0 8px; }
  .step-indicator { font-size: 0.78rem; gap: 6px; }
  .step-indicator .step-num { width: 28px; height: 28px; font-size: 0.75rem; }
  .result-hero { padding: 32px 20px; }
  .result-actions { flex-direction: column; align-items: center; }
  .wordcloud-canvas { height: 300px; }
  .chart-wrap { max-width: 210px; max-height: 210px; }
  .chart-donut { max-height: 220px; }
  .chart-hbar { max-height: 320px; }
}