/* HR Candidate Matcher — Custom Design System */
/* no-design-system */

:root {
  --color-bg: #F5F4EF;
  --color-surface: #FFFFFF;
  --color-text: #202922;
  --color-text-secondary: #59645C;
  --color-accent: #365F48;
  --color-accent-hover: #2A4D39;
  --color-border: #D9DFD7;
  --color-success: #2F7A4F;
  --color-warning: #A8641A;
  --color-error: #B23B3B;
  --color-error-bg: #FEF2F2;
  --color-success-bg: #F0FDF4;
  --color-warning-bg: #FFFBEB;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);

  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-5); }
}
@media (max-width: 390px) {
  .container { padding: 0 var(--space-4); }
}

/* Header */
.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 56px;
}
.app-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  white-space: nowrap;
  flex-shrink: 0;
}
.app-logo svg { flex-shrink: 0; }
.app-logo-text { display: none; }
@media (min-width: 768px) {
  .app-logo-text { display: inline; }
}
.app-nav { flex: 1; display: flex; justify-content: center; }
.app-nav[hidden] { display: none; }
#btn-clear-all { margin-left: auto; flex-shrink: 0; }
#btn-clear-all[hidden] { display: none; }

/* Steps indicator */
.steps {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.step {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 600;
  background: var(--color-border);
  color: var(--color-text-secondary);
}
.step-active {
  color: var(--color-accent);
  font-weight: 600;
}
.step-active .step-num {
  background: var(--color-accent);
  color: #fff;
}
.step-done .step-num {
  background: var(--color-success);
  color: #fff;
}
@media (max-width: 600px) {
  .step span:not(.step-num) { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-border);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(0,0,0,0.04);
  color: var(--color-text);
}
.btn-danger {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}
.btn-danger:hover:not(:disabled) {
  opacity: 0.9;
}
.btn-sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  min-height: 36px;
}
.btn-lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
  min-height: 48px;
}
.btn-back {
  color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 56px);
}
.screen[hidden] { display: none; }
.screen {
  padding: var(--space-7) 0;
  animation: fadeIn var(--transition-normal) ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* Welcome */
.welcome-hero {
  max-width: 640px;
  margin: var(--space-8) auto;
  text-align: center;
}
.welcome-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
@media (max-width: 768px) {
  .welcome-title { font-size: var(--text-2xl); }
}
.welcome-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .welcome-desc { font-size: var(--text-base); }
}
.welcome-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.welcome-privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Screen Header */
.screen-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.screen-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}
@media (max-width: 768px) {
  .screen-title { font-size: var(--text-xl); }
}
.screen-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
}

/* Input Grid */
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 768px) {
  .input-grid {
    grid-template-columns: 1fr;
  }
}
.input-actions {
  margin-top: var(--space-5);
  display: flex;
  justify-content: center;
}

/* Fields */
.field { margin-bottom: var(--space-4); }
.field-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}
.field-required { color: var(--color-error); }
.textarea {
  width: 100%;
  padding: var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.6;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--transition-fast);
}
.textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(54,95,72,0.1);
}
.textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}
.field-error {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-error);
}
.field-error[hidden] { display: none; }
.field.has-error .textarea {
  border-color: var(--color-error);
}

/* Select & Input */
.select, .input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  min-height: 36px;
}
.select:focus, .input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(54,95,72,0.1);
}

/* Criteria Table */
.criteria-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.criteria-table-wrap[hidden] { display: none; }
.criteria-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.criteria-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  white-space: nowrap;
}
.criteria-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.criteria-table tr:last-child td { border-bottom: none; }
.criteria-table .col-label { min-width: 200px; }
.criteria-table .col-type { width: 140px; }
.criteria-table .col-weight { width: 80px; }
.criteria-table .col-synonyms { min-width: 180px; }
.criteria-table .col-actions { width: 48px; text-align: center; }

.criteria-empty {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-secondary);
}
.criteria-empty[hidden] { display: none; }
.criteria-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Inline edit inputs in criteria table */
.criteria-table .input-inline {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  font-family: inherit;
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  min-height: 32px;
}
.criteria-table .input-inline:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
}
.criteria-table .select-inline {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  min-height: 32px;
  cursor: pointer;
}
.criteria-table .select-inline:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Weight display */
.weight-display {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* Delete button in table */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-icon:hover { background: var(--color-error-bg); color: var(--color-error); }
.btn-icon:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Match Screen */
.match-filter-bar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 32px;
}
.chip:hover { border-color: var(--color-accent); color: var(--color-accent); }
.chip:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.chip-active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.chip-active:hover { background: var(--color-accent-hover); color: #fff; }

.match-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.match-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.match-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  white-space: nowrap;
}
.match-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.match-table tr:last-child td { border-bottom: none; }
.match-table .col-criterion { min-width: 160px; font-weight: 500; }
.match-table .col-evidence { min-width: 280px; }
.match-table .col-status { width: 140px; white-space: nowrap; }
.match-table .col-note { min-width: 180px; }

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
}
.status-confirmed {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.status-not-found {
  background: #F5F0EB;
  color: var(--color-warning);
}
.status-unclear {
  background: #F0F4FF;
  color: #4A6FA5;
}

/* Evidence fragments */
.evidence-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.evidence-fragment {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  background: var(--color-bg);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-border);
  color: var(--color-text);
  word-break: break-word;
}
.evidence-fragment mark {
  background: #FEF3C7;
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

/* Coverage bar */
.match-coverage {
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.coverage-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.coverage-bar-track {
  width: 100%;
  height: 8px;
  background: var(--color-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-1);
}
.coverage-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  transition: width 400ms ease;
  min-width: 0;
}
.coverage-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.match-empty {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-secondary);
}
.match-empty[hidden] { display: none; }
.match-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Note input in match table */
.note-input {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  font-family: inherit;
  font-size: var(--text-xs);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  min-height: 28px;
  transition: all var(--transition-fast);
}
.note-input:hover { border-color: var(--color-border); }
.note-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface);
}

/* Status select in match table */
.status-select {
  padding: var(--space-1) var(--space-2);
  font-family: inherit;
  font-size: var(--text-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  min-height: 32px;
}
.status-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-4);
  animation: fadeIn var(--transition-fast);
}
.modal-overlay[hidden] { display: none; }
.modal-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 900px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-5);
}
.modal-sm { max-width: 420px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}
.modal-body { margin-bottom: var(--space-4); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* Source texts modal */
.source-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 768px) {
  .source-grid { grid-template-columns: 1fr; }
}
.source-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}
.source-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  background: var(--color-bg);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  color: var(--color-text);
}

/* Interview Screen */
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  margin-bottom: var(--space-5);
}

.interview-section {
  margin-bottom: var(--space-5);
}
.interview-section-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.interview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}
.interview-card-criterion {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}
.interview-card-status {
  margin-bottom: var(--space-2);
}
.interview-questions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.interview-question {
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.5;
  display: flex;
  gap: var(--space-2);
}
.interview-question-num {
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}
.interview-empty {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-secondary);
}
.interview-empty[hidden] { display: none; }
.interview-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  animation: toastIn 200ms ease;
  max-width: 360px;
}
.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-error); }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.toast-out {
  animation: toastOut 150ms ease forwards;
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(12px); }
}

/* Confirm dialog */
#modal-confirm h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
#modal-confirm p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* Tabular numbers */
.tabular { font-variant-numeric: tabular-nums; }

/* Print / export helpers */
@media print {
  .app-header, .btn-back, .btn, .toast-container, .modal-overlay { display: none !important; }
  .screen { padding: 0; }
  .match-table-wrap, .criteria-table-wrap { border: 1px solid #ccc; }
}