:root {
  --color-text-primary: #35312F;
  --color-text-primary-alt: #292523;
  --color-text-secondary: #665E58;
  --color-surface-white: #FFFFFF;
  --color-surface-cream: #F9F6F2;
  --color-surface-gray: #F3F3F3;
  --color-accent-warm-gray: #B09D8F;
  --color-accent-warm-gray-2: #BCA99B;
  --color-accent-terracotta: #A54D3A;
  --color-accent-terracotta-dark: #99412E;
  --color-accent-cta: #DD6420;

  --font-latin-body: 'Lato', sans-serif;
  --font-latin-heading: 'Poppins', sans-serif;
  --font-zh: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  --font-stack: var(--font-zh), var(--font-latin-body);

  --radius-base: 12px;
  --radius-lg: 16px;

  --shadow-hover: 0 4px 12px rgba(53, 49, 47, 0.12);
  --transition-hover: all 0.18s ease;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-stack);
  background: var(--color-surface-cream);
  color: var(--color-text-primary);
  padding-bottom: 4rem;
}

.page-header {
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  background: var(--color-surface-white);
  border-bottom: 1px solid var(--color-surface-gray);
}

.page-header h1 {
  font-family: var(--font-latin-heading), var(--font-zh);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  margin: 0 0 0.25rem;
  color: var(--color-text-primary-alt);
}

.page-sub {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

main {
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.module-title {
  font-family: var(--font-latin-heading), var(--font-zh);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--color-text-primary-alt);
  margin: 0 0 1rem;
}

/* ---- Module 1: department headcount grid ---- */

.dept-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.dept-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-base);
  padding: 1.25rem;
  flex: 1 1 320px;
  min-width: 280px;
}

.dept-name {
  font-family: var(--font-latin-heading), var(--font-zh);
  font-size: 1.1rem;
  margin: 0 0 1rem;
  color: var(--color-accent-terracotta-dark);
}

.role-group {
  margin-bottom: 1rem;
}

.role-name {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.role-label-raw {
  font-weight: 400;
  color: var(--color-accent-warm-gray);
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.slot-cell {
  border-radius: var(--radius-base);
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  text-align: center;
}

.slot-cell--vacancy {
  background: var(--color-surface-gray);
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-accent-warm-gray-2);
}

.slot-cell--onboarded {
  background: var(--color-surface-cream);
  color: var(--color-text-primary);
  border: 1px solid var(--color-surface-gray);
}

.slot-annotation {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: 0.15rem;
}

/* ---- Module 2: candidate list ---- */

.candidate-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.candidate-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  transition: var(--transition-hover);
}

.candidate-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.candidate-photo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-base);
  object-fit: cover;
  background: var(--color-surface-gray);
  flex-shrink: 0;
}

.candidate-summary {
  flex: 1 1 200px;
  min-width: 0;
}

.candidate-summary h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.candidate-summary .meta {
  font-weight: 400;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.candidate-summary .position {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.candidate-result-badge {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--color-surface-cream);
  color: var(--color-accent-terracotta-dark);
}

.expand-toggle {
  align-self: flex-start;
  background: none;
  border: 1px solid var(--color-accent-warm-gray-2);
  border-radius: var(--radius-base);
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  color: var(--color-text-primary);
  transition: var(--transition-hover);
}

.expand-toggle:hover {
  background: var(--color-accent-cta);
  border-color: var(--color-accent-cta);
  color: var(--color-surface-white);
}

.candidate-detail {
  flex-basis: 100%;
  border-top: 1px solid var(--color-surface-gray);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

.candidate-detail[hidden] { display: none; }

.candidate-detail dl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.5rem 1rem;
  margin: 0 0 1rem;
}

.candidate-detail dt {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.candidate-detail dd {
  margin: 0;
  font-size: 0.9rem;
}

.interview-result-editor {
  width: 100%;
  min-height: 4rem;
  border-radius: var(--radius-base);
  border: 1px solid var(--color-surface-gray);
  padding: 0.6rem;
  font-family: inherit;
  resize: vertical;
}

button.save-result {
  margin-top: 0.5rem;
  background: var(--color-accent-cta);
  color: var(--color-surface-white);
  border: none;
  border-radius: var(--radius-base);
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: var(--transition-hover);
}

button.save-result:hover { opacity: 0.85; }

/* ---- Comments ---- */

.comments {
  margin-top: 0.75rem;
}

.comment-list {
  list-style: none;
  margin: 0 0 0.6rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.comment-list li {
  background: var(--color-surface-cream);
  border-radius: var(--radius-base);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
}

.comment-list .comment-meta {
  color: var(--color-text-secondary);
  font-size: 0.72rem;
  margin-left: 0.4rem;
}

.comment-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.comment-form input[type="text"] {
  flex: 1 1 140px;
  border-radius: var(--radius-base);
  border: 1px solid var(--color-surface-gray);
  padding: 0.45rem 0.6rem;
  font-family: inherit;
}

.comment-form textarea {
  flex: 3 1 240px;
  min-height: 2.4rem;
  border-radius: var(--radius-base);
  border: 1px solid var(--color-surface-gray);
  padding: 0.45rem 0.6rem;
  font-family: inherit;
  resize: vertical;
}

.comment-form button {
  background: var(--color-accent-terracotta);
  color: var(--color-surface-white);
  border: none;
  border-radius: var(--radius-base);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: var(--transition-hover);
}

.comment-form button:hover { background: var(--color-accent-cta); }

@media (max-width: 640px) {
  .candidate-card { flex-direction: column; }
  .candidate-photo { width: 56px; height: 56px; }
  .candidate-summary { flex: 1 1 auto; min-width: 0; }
  .expand-toggle { align-self: stretch; text-align: center; }
}