/* 
  ZIVORA — Official & Elegant UI Design System 
  Focus: Clean layout, deep navy brand, soft shadows, plenty of whitespace, professional typography.
*/

:root {
  /* Brand Colors - Official Navy */
  --navy-50: #f0f4f8;
  --navy-100: #d9e2ec;
  --navy-200: #bcccdc;
  --navy-300: #9fb3c8;
  --navy-400: #829ab1;
  --navy-500: #627d98;
  --navy-600: #486581;
  --navy-700: #334e68;
  --navy-800: #243b53;
  --navy-900: #102a43;

  /* Neutrals - Clean and subtle */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic Status Colors (Used sparingly) */
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-600: #16a34a;
  --green-700: #15803d;

  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-600: #dc2626;
  --red-700: #b91c1c;

  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-600: #d97706;
  --amber-700: #b45309;
  
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;

  /* Layout & Spacing */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Roboto Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  
  --border: 1px solid var(--gray-200);
  
  /* Soft, elegant shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  
  --transition: 0.2s ease-in-out;
}

/* Base Resets */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background-color: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1 { font-size: 1.75rem; font-weight: 600; color: var(--navy-900); letter-spacing: -0.02em; }
h2 { font-size: 1.25rem; font-weight: 600; color: var(--navy-800); }
h3 { font-size: 1rem; font-weight: 600; color: var(--navy-800); }
.font-mono { font-family: var(--font-mono); }

/* Layout: App Shell */
.app-container {
  display: flex;
  height: calc(100vh - 64px);
  overflow: hidden;
}

/* Topbar */
.topbar {
  height: 64px;
  background: white;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: 0.05em;
}
.logo svg { width: 28px; height: 28px; stroke: var(--navy-600); }

.topbar-search {
  position: relative;
  width: 400px;
}
.topbar-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  background: var(--gray-50);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--gray-800);
  transition: var(--transition);
}
.topbar-search input:focus {
  outline: none;
  background: white;
  border-color: var(--navy-400);
  box-shadow: 0 0 0 3px rgba(98, 125, 152, 0.1);
}
.search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; stroke: var(--gray-400);
}
.search-shortcut {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: white; border: 1px solid var(--gray-200); border-radius: 4px;
  padding: 2px 6px; font-size: 0.625rem; font-weight: 600; color: var(--gray-500);
}

.topbar-actions { display: flex; align-items: center; gap: 16px; }
.topbar-icon-btn {
  background: none; border: none; cursor: pointer; position: relative;
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); transition: var(--transition);
}
.topbar-icon-btn:hover { background: var(--gray-100); color: var(--navy-600); }
.topbar-icon-btn svg { width: 20px; height: 20px; stroke: currentColor; }
.notification-badge {
  position: absolute; top: 8px; right: 8px; width: 8px; height: 8px;
  background: var(--red-600); border-radius: 50%; border: 2px solid white;
}
.user-profile {
  display: flex; align-items: center; gap: 12px; padding-left: 16px; border-left: 1px solid var(--gray-200);
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%; background: var(--navy-800);
  color: white; display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.875rem; letter-spacing: 0.5px;
}
.user-info { display: flex; flex-direction: column; }
.user-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-800); }
.user-role { font-size: 0.75rem; color: var(--gray-500); }

/* Sidebar */
.sidebar {
  width: 260px;
  background: white;
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  overflow-y: auto;
  z-index: 5;
}
.sidebar-section {
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--gray-400); margin: 24px 0 8px 12px;
}
.sidebar-section:first-child { margin-top: 0; }
.nav-menu { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: var(--radius); cursor: pointer; font-size: 0.875rem; font-weight: 500;
  color: var(--gray-600); transition: var(--transition);
}
.nav-item:hover { background: var(--gray-50); color: var(--navy-700); }
.nav-item.active { background: var(--navy-50); color: var(--navy-700); font-weight: 600; }
.nav-icon { width: 18px; height: 18px; stroke: currentColor; }

/* Main Content */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
  background-color: var(--gray-50);
}

.page-header {
  display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px;
}
.page-desc { font-size: 0.875rem; color: var(--gray-500); margin-top: 6px; }
.page-header-right { display: flex; gap: 12px; align-items: center; }

/* Cards & Containers - Refined for elegance */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  margin-bottom: 24px;
  overflow: hidden;
}
.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
}
.card-title { font-size: 1rem; font-weight: 600; color: var(--gray-800); }
.card-body { padding: 24px; }

/* Elegant Stat Cards */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: white;
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  border-top: 4px solid var(--navy-400);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card.blue { border-top-color: var(--blue-600); }
.stat-card.green { border-top-color: var(--green-600); }
.stat-card.amber { border-top-color: var(--amber-500); }
.stat-card.red { border-top-color: var(--red-600); }
.stat-card-label { font-size: 0.8125rem; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.stat-card-value { font-size: 2rem; font-weight: 700; color: var(--navy-900); line-height: 1; margin-bottom: 6px; }
.stat-card-sub { font-size: 0.75rem; color: var(--gray-400); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius); font-size: 0.875rem; font-weight: 500;
  font-family: var(--font-sans); cursor: pointer; transition: var(--transition);
  border: none; box-shadow: var(--shadow-sm);
}
.btn-sm { padding: 6px 12px; font-size: 0.8125rem; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; }

.btn-navy { background: var(--navy-800); color: white; }
.btn-navy:hover { background: var(--navy-900); box-shadow: var(--shadow); }

.btn-outline { background: white; color: var(--navy-700); border: 1px solid var(--navy-200); }
.btn-outline:hover { background: var(--navy-50); border-color: var(--navy-400); }

.btn-ghost { background: transparent; color: var(--navy-600); box-shadow: none; border: 1px solid transparent; }
.btn-ghost:hover { background: var(--navy-50); color: var(--navy-800); }

.w-full { width: 100%; }

/* Badges - Subtle and minimal */
.badge {
  display: inline-flex; align-items: center; padding: 4px 10px;
  border-radius: 12px; font-size: 0.75rem; font-weight: 600; font-family: var(--font-sans);
  border: 1px solid transparent; letter-spacing: 0.02em;
}
.badge-verified, .badge-compliant { background: var(--green-50); color: var(--green-700); border-color: var(--green-100); }
.badge-review, .badge-processing { background: var(--amber-50); color: var(--amber-700); border-color: var(--amber-100); }
.badge-noncompliant, .badge-missing, .badge-expired { background: var(--red-50); color: var(--red-700); border-color: var(--red-100); }
.badge-active { background: var(--blue-50); color: var(--blue-700); border-color: var(--blue-100); }

.badge-low-risk { background: var(--green-50); color: var(--green-700); border-color: var(--green-100); }
.badge-medium-risk { background: var(--amber-50); color: var(--amber-700); border-color: var(--amber-100); }
.badge-high-risk { background: var(--red-50); color: var(--red-700); border-color: var(--red-100); }

/* Tables - Clean padding and alignment */
.table-wrapper { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th {
  background: var(--gray-50); padding: 14px 24px; font-size: 0.75rem;
  font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200); border-top: 1px solid var(--gray-200);
}
td {
  padding: 16px 24px; font-size: 0.875rem; color: var(--gray-800);
  border-bottom: 1px solid var(--gray-100); vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; transition: background var(--transition); }
tr.clickable:hover { background: var(--gray-50); }

/* Alerts */
.alert {
  display: flex; gap: 12px; align-items: flex-start; padding: 16px;
  border-radius: var(--radius); margin-bottom: 24px; font-size: 0.875rem; line-height: 1.5;
  border: 1px solid transparent;
}
.alert svg { width: 20px; height: 20px; flex-shrink: 0; stroke: currentColor; margin-top: 2px; }
.alert-info { background: var(--blue-50); color: var(--blue-700); border-color: var(--blue-100); }
.alert-warning { background: var(--amber-50); color: var(--amber-700); border-color: var(--amber-100); }
.alert-danger { background: var(--red-50); color: var(--red-700); border-color: var(--red-100); }
.alert-success { background: var(--green-50); color: var(--green-700); border-color: var(--green-100); }

/* Prototype Banner */
.prototype-banner {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--navy-800); color: white; padding: 8px 16px;
  font-size: 0.75rem; font-weight: 500; border-radius: var(--radius); margin-bottom: 24px;
}
.prototype-banner svg { width: 14px; height: 14px; stroke: white; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius);
  font-family: var(--font-sans); font-size: 0.875rem; color: var(--gray-800);
  background: white; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--navy-500); box-shadow: 0 0 0 3px rgba(98, 125, 152, 0.15);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-full { grid-column: 1 / -1; }

.filter-bar {
  display: flex; gap: 12px; margin-bottom: 20px; align-items: center;
  background: white; padding: 12px 16px; border-radius: var(--radius); border: 1px solid var(--gray-200);
}
.filter-select {
  padding: 8px 32px 8px 12px; border: 1px solid var(--gray-200); border-radius: var(--radius);
  font-family: var(--font-sans); font-size: 0.8125rem; color: var(--gray-700);
  background: var(--gray-50) 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='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 8px center;
  appearance: none; cursor: pointer;
}

/* Grids */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Tabs */
.tab-bar { display: flex; gap: 24px; border-bottom: 1px solid var(--gray-200); margin-bottom: 24px; }
.tab-item {
  padding: 12px 4px; font-size: 0.875rem; font-weight: 500; color: var(--gray-500);
  cursor: pointer; position: relative; transition: color var(--transition);
}
.tab-item:hover { color: var(--navy-700); }
.tab-item.active { color: var(--navy-800); font-weight: 600; }
.tab-item.active::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
  height: 3px; background: var(--navy-700); border-radius: 3px 3px 0 0;
}

/* Modals */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 100;
}
.modal-content {
  background: white; border-radius: var(--radius-lg); width: 100%; max-width: 700px;
  max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0,0,0,0.1);
}
.modal-xl { max-width: 1000px; }
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--gray-100);
  display: flex; justify-content: space-between; align-items: flex-start;
  position: sticky; top: 0; background: white; z-index: 2;
}
.modal-title { font-size: 1.125rem; font-weight: 600; color: var(--gray-800); margin: 0; }
.modal-close {
  background: none; border: none; cursor: pointer; color: var(--gray-400);
  padding: 4px; border-radius: var(--radius-sm); transition: background var(--transition);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-700); }
.modal-close svg { width: 20px; height: 20px; stroke: currentColor; }
.modal-body { padding: 24px; }

/* Login Container */
.login-container {
  height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--navy-900);
  background-image: radial-gradient(circle at top right, var(--navy-800), var(--navy-900));
}
.login-box {
  background: white; padding: 48px; border-radius: var(--radius-lg); width: 100%; max-width: 440px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); border: 1px solid rgba(255,255,255,0.1);
}

/* Custom Module Specifics (Score Circle, Timeline, etc) */
.score-circle {
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 4px solid; flex-shrink: 0; background: white;
}
.score-number { font-size: 1.5rem; font-weight: 700; line-height: 1; }
.score-denom { font-size: 0.625rem; font-weight: 600; color: var(--gray-400); margin-top: 2px; }
.high-score { border-color: var(--green-600); color: var(--green-700); }
.medium-score { border-color: var(--amber-500); color: var(--amber-700); }
.low-score { border-color: var(--red-600); color: var(--red-700); }

.risk-text-low { color: var(--green-600); font-weight: 600; }
.risk-text-medium { color: var(--amber-600); font-weight: 600; }
.risk-text-high { color: var(--red-600); font-weight: 600; }

.progress-bar-wrapper { display: flex; align-items: center; gap: 8px; width: 100%; }
.progress-bar-track { height: 6px; background: var(--gray-200); border-radius: 3px; flex: 1; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--blue-600); border-radius: 3px; }
.progress-bar-fill.green { background: var(--green-600); }
.progress-bar-fill.amber { background: var(--amber-500); }
.progress-bar-fill.red { background: var(--red-600); }
.progress-bar-label { font-size: 0.75rem; font-weight: 600; color: var(--gray-600); min-width: 32px; text-align: right; }

.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kv-label { font-size: 0.75rem; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.kv-value { font-size: 0.875rem; font-weight: 500; color: var(--gray-800); }
.kv-value.mono { font-family: var(--font-mono); font-size: 0.8125rem; }

.timeline { border-left: 2px solid var(--gray-200); margin-left: 12px; padding-left: 24px; position: relative; }
.timeline-item { margin-bottom: 32px; position: relative; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -31px; top: 2px; width: 16px; height: 16px;
  background: white; border: 3px solid var(--gray-300); border-radius: 50%;
}
.timeline-dot.success { border-color: var(--green-600); }
.timeline-dot.warning { border-color: var(--amber-500); }
.timeline-dot.danger { border-color: var(--red-600); }
.timeline-dot.info { border-color: var(--blue-600); }
.timeline-header { font-size: 0.875rem; font-weight: 600; color: var(--gray-800); margin-bottom: 8px; }
.timeline-meta { font-size: 0.75rem; color: var(--gray-400); margin-top: 8px; }
.timeline-card {
  background: white; border: 1px solid var(--gray-200); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow-sm);
}
.timeline-card.contradiction { border-color: var(--red-200); background: var(--red-50); }

.contradiction-row { background-color: var(--red-50) !important; }
.contradiction-badge { display: inline-block; background: var(--red-100); color: var(--red-700); padding: 4px 8px; border-radius: var(--radius-sm); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em; }
.match-badge { display: inline-block; background: var(--green-50); color: var(--green-700); padding: 4px 8px; border-radius: var(--radius-sm); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em; }

/* Copilot specific adjustments */
.copilot-chat { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); background: white; overflow: hidden; box-shadow: var(--shadow); }
.copilot-messages { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; background: var(--gray-50); }
.copilot-msg { display: flex; gap: 12px; max-width: 85%; }
.copilot-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.copilot-avatar { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.copilot-avatar.ai { background: var(--navy-800); color: white; }
.copilot-avatar.user { background: var(--gray-200); color: var(--gray-700); }
.copilot-bubble { background: white; padding: 14px 18px; border-radius: 0 16px 16px 16px; font-size: 0.875rem; line-height: 1.6; color: var(--gray-800); border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); }
.copilot-bubble.user { background: var(--navy-700); color: white; border-radius: 16px 0 16px 16px; border-color: var(--navy-800); }
.copilot-suggestions { padding: 16px 24px; display: flex; gap: 8px; flex-wrap: wrap; border-top: 1px solid var(--gray-200); background: white; }
.copilot-suggestion { padding: 6px 12px; background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100); border-radius: 16px; font-size: 0.75rem; font-weight: 500; cursor: pointer; transition: background var(--transition); }
.copilot-suggestion:hover { background: var(--blue-100); }
.copilot-input-area { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; gap: 12px; background: white; }
.copilot-input { flex: 1; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.875rem; transition: border-color var(--transition); }
.copilot-input:focus { outline: none; border-color: var(--navy-500); }

/* Heatmap Adjustments */
.heatmap-cell {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%; font-weight: 700;
}
.heatmap-cell.low { background: var(--green-100); color: var(--green-700); }
.heatmap-cell.medium { background: var(--amber-100); color: var(--amber-700); }
.heatmap-cell.high { background: var(--red-100); color: var(--red-700); }

/* Utils */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; text-align: center; }
.empty-state svg { width: 48px; height: 48px; stroke: var(--gray-300); margin-bottom: 16px; }
.empty-state-title { font-size: 1.125rem; font-weight: 600; color: var(--gray-800); margin-bottom: 8px; }
.empty-state-desc { font-size: 0.875rem; color: var(--gray-500); max-width: 400px; }

/* Misc Tweaks */
.upload-area {
  border: 2px dashed var(--gray-300); border-radius: var(--radius-lg); padding: 40px;
  text-align: center; cursor: pointer; transition: border-color var(--transition), background var(--transition);
}
.upload-area:hover { border-color: var(--navy-400); background: var(--blue-50); }
.upload-icon { width: 48px; height: 48px; stroke: var(--navy-400); margin-bottom: 16px; }
.upload-title { font-size: 1rem; font-weight: 600; color: var(--gray-800); margin-bottom: 8px; }
.upload-desc { font-size: 0.875rem; color: var(--gray-500); }

.split-pane { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.decision-options { display: flex; gap: 12px; margin-bottom: 24px; }
.decision-btn {
  flex: 1; padding: 12px; border: 1px solid var(--gray-200); border-radius: var(--radius);
  background: white; font-weight: 600; font-size: 0.875rem; color: var(--gray-600);
  cursor: pointer; transition: all var(--transition); box-shadow: var(--shadow-sm);
}
.decision-btn:hover { background: var(--gray-50); }
.decision-btn.selected.approve { background: var(--green-50); border-color: var(--green-600); color: var(--green-700); }
.decision-btn.selected.reject { background: var(--red-50); border-color: var(--red-600); color: var(--red-700); }
.decision-btn.selected.clarify { background: var(--amber-50); border-color: var(--amber-500); color: var(--amber-700); }
.decision-btn.selected.manual { background: var(--blue-50); border-color: var(--blue-600); color: var(--blue-700); }

/* Animation */
@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}