/* ============================================================
   TAEON Payroll Verification — Wise Design System
   Based on wise.design foundations
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Core */
  --bright-green: #9FE870;
  --forest-green: #163300;

  /* Content */
  --content-primary: #0E0F0C;
  --content-secondary: #454745;
  --content-tertiary: #6A6C6A;
  --content-link: #163300;

  /* Interactive */
  --interactive-primary: #163300;
  --interactive-accent: #9FE870;
  --interactive-secondary: #868685;
  --interactive-control: #163300;

  /* Background */
  --bg-screen: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --bg-neutral: rgba(22, 51, 0, 0.08);
  --bg-overlay: rgba(22, 51, 0, 0.08);

  /* Border */
  --border-neutral: rgba(14, 15, 12, 0.12);

  /* Sentiment */
  --sentiment-negative: #A8200D;
  --sentiment-positive: #2F5711;
  --sentiment-warning: #EDC843;
  --sentiment-negative-bg: #FFF0EE;
  --sentiment-positive-bg: #EEF6E8;
  --sentiment-warning-bg: #FFF8E0;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(14,15,12,0.08);
  --shadow-md: 0 4px 12px rgba(14,15,12,0.08);
  --shadow-lg: 0 8px 24px rgba(14,15,12,0.1);
  --shadow-elevated: 0 12px 40px rgba(14,15,12,0.12);

  /* Transition */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--content-primary);
  background: var(--bg-screen);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--content-link);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-fast);
}
a:hover {
  text-decoration-color: var(--content-link);
}

/* --- Typography --- */
.text-display {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.text-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.text-heading {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}
.text-body {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
}
.text-body-strong {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}
.text-caption {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--content-secondary);
}
.text-small {
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--content-tertiary);
}

/* --- Layout --- */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 320px;
  background: var(--forest-green);
  color: white;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
}
.sidebar-logo svg {
  width: 32px;
  height: 32px;
}
.sidebar-logo span {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--bright-green);
}

.main-content {
  margin-left: 320px;
  flex: 1;
  padding: var(--space-2xl) var(--space-3xl);
  max-width: 800px;
}

/* --- Step List (Sidebar) --- */
.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.step-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition-fast);
  cursor: default;
  line-height: 1.3;
}
.step-item.active {
  background: rgba(159, 232, 112, 0.15);
  color: var(--bright-green);
}
.step-item.completed {
  color: rgba(255,255,255,0.85);
}
.step-item.rejected {
  color: var(--sentiment-negative);
}

.step-indicator {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.2);
  transition: all var(--transition-fast);
}
.step-item.active .step-indicator {
  border-color: var(--bright-green);
  background: var(--bright-green);
  color: var(--forest-green);
}
.step-item.completed .step-indicator {
  border-color: rgba(159,232,112,0.5);
  background: rgba(159,232,112,0.2);
  color: var(--bright-green);
}
.step-item.rejected .step-indicator {
  border-color: var(--sentiment-negative);
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-neutral);
}
.top-bar-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-neutral);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--content-secondary);
}

/* --- Cards --- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  transition: box-shadow var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-neutral);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--forest-green);
}
.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.card-desc {
  font-size: 0.875rem;
  color: var(--content-secondary);
  line-height: 1.5;
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--space-lg);
}
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--content-primary);
  margin-bottom: var(--space-sm);
}
.form-hint {
  font-size: 0.8125rem;
  color: var(--content-tertiary);
  margin-bottom: var(--space-sm);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--content-primary);
  background: var(--bg-screen);
  border: 1.5px solid var(--interactive-secondary);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--forest-green);
  box-shadow: 0 0 0 3px rgba(22, 51, 0, 0.1);
}
.form-input::placeholder {
  color: var(--content-tertiary);
}
.form-input.error {
  border-color: var(--sentiment-negative);
}
.form-error {
  font-size: 0.8125rem;
  color: var(--sentiment-negative);
  margin-top: var(--space-xs);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236A6C6A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* --- Checkbox / Radio --- */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  cursor: pointer;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--forest-green);
  cursor: pointer;
}
.form-check-label {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--content-primary);
  cursor: pointer;
}
.form-check-label small {
  display: block;
  font-size: 0.8125rem;
  color: var(--content-secondary);
  margin-top: 2px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--interactive-accent);
  color: var(--interactive-control);
}
.btn-primary:hover {
  background: #8ADB57;
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--interactive-primary);
  border: 1.5px solid var(--border-neutral);
}
.btn-secondary:hover {
  background: var(--bg-neutral);
}

.btn-ghost {
  background: transparent;
  color: var(--content-secondary);
  padding: 8px 16px;
}
.btn-ghost:hover {
  color: var(--content-primary);
  background: var(--bg-neutral);
}

.btn-danger {
  background: var(--sentiment-negative);
  color: white;
}
.btn-danger:hover {
  background: #8A1A0B;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}
.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
}

.btn-block {
  width: 100%;
}

/* --- File Upload --- */
.file-upload {
  border: 2px dashed var(--border-neutral);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-screen);
}
.file-upload:hover {
  border-color: var(--interactive-secondary);
  background: var(--bg-neutral);
}
.file-upload.dragover {
  border-color: var(--forest-green);
  background: rgba(159,232,112,0.08);
}
.file-upload input[type="file"] {
  display: none;
}
.file-upload-icon {
  font-size: 2rem;
  color: var(--content-tertiary);
  margin-bottom: var(--space-sm);
}
.file-upload-text {
  font-size: 0.9375rem;
  color: var(--content-secondary);
}
.file-upload-text strong {
  color: var(--content-link);
  text-decoration: underline;
}
.file-upload-hint {
  font-size: 0.75rem;
  color: var(--content-tertiary);
  margin-top: var(--space-xs);
}

.file-preview {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-neutral);
  border-radius: var(--radius-md);
  margin-top: var(--space-sm);
}
.file-preview-name {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
}
.file-preview-size {
  font-size: 0.75rem;
  color: var(--content-tertiary);
}
.file-preview-remove {
  cursor: pointer;
  color: var(--content-tertiary);
  transition: color var(--transition-fast);
}
.file-preview-remove:hover {
  color: var(--sentiment-negative);
}

/* --- Alerts --- */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.alert-info {
  background: var(--bg-neutral);
  color: var(--content-primary);
}
.alert-success {
  background: var(--sentiment-positive-bg);
  color: var(--sentiment-positive);
}
.alert-warning {
  background: var(--sentiment-warning-bg);
  color: #7A6518;
}
.alert-error {
  background: var(--sentiment-negative-bg);
  color: var(--sentiment-negative);
}

/* --- Consent Box --- */
.consent-box {
  background: var(--bg-neutral);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  max-height: 300px;
  overflow-y: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--content-secondary);
}
.consent-box h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--content-primary);
  margin-bottom: var(--space-md);
}
.consent-box ol,
.consent-box ul {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}
.consent-box li {
  margin-bottom: var(--space-sm);
}

/* --- Progress --- */
.progress-bar-container {
  margin-bottom: var(--space-2xl);
}
.progress-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.progress-bar-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--content-secondary);
}
.progress-bar-track {
  height: 6px;
  background: var(--bg-neutral);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--bright-green);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* --- Badge / Status --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1;
}
.badge-pending {
  background: var(--sentiment-warning-bg);
  color: #7A6518;
}
.badge-submitted {
  background: rgba(160,225,225,0.3);
  color: #1A5C5C;
}
.badge-approved {
  background: var(--sentiment-positive-bg);
  color: var(--sentiment-positive);
}
.badge-rejected {
  background: var(--sentiment-negative-bg);
  color: var(--sentiment-negative);
}
.badge-review {
  background: var(--bg-neutral);
  color: var(--content-secondary);
}

/* --- Navigation Buttons --- */
.step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-neutral);
}

/* --- Login Page --- */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-screen);
  padding: var(--space-lg);
}
.login-card {
  width: 100%;
  max-width: 420px;
}
.login-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.login-logo-mark {
  width: 48px;
  height: 48px;
  background: var(--forest-green);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Admin Dashboard --- */
.admin-layout {
  background: #FAFBFA;
}
.admin-header {
  background: var(--forest-green);
  color: white;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  color: var(--bright-green);
}
.admin-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.stat-card {
  background: white;
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--content-primary);
}
.stat-label {
  font-size: 0.875rem;
  color: var(--content-secondary);
  margin-top: var(--space-xs);
}

/* --- Table --- */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.data-table th {
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--content-secondary);
  background: #FAFBFA;
  border-bottom: 1px solid var(--border-neutral);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.data-table td {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border-neutral);
  vertical-align: middle;
}
.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tr:hover td {
  background: rgba(22, 51, 0, 0.02);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--content-tertiary);
}
.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border-neutral);
  margin: var(--space-xl) 0;
}

/* --- Tooltip --- */
.tooltip-trigger {
  position: relative;
  cursor: help;
  border-bottom: 1px dashed var(--content-tertiary);
}
.tooltip-trigger:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--content-primary);
  color: white;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 400;
  white-space: nowrap;
  z-index: 1000;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .sidebar {
    width: 280px;
  }
  .main-content {
    margin-left: 280px;
    padding: var(--space-xl) var(--space-xl);
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: relative;
    width: 100%;
    padding: var(--space-lg);
  }
  .main-content {
    margin-left: 0;
    padding: var(--space-lg);
  }
  .app-container {
    flex-direction: column;
  }
  .step-list {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-sm);
  }
  .step-item {
    white-space: nowrap;
    font-size: 0.75rem;
  }
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Utility --- */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }