/* ============================================
   DeineMeetingKI — Design System
   Based on brand style guide:
   Nunito + Nunito Sans, Mint/Coral/Navy palette
   ============================================ */

:root {
  /* Core brand colors */
  --mint: #A1E7C9;
  --mint-dark: #7DD4B0;
  --mint-deeper: #5BB896;
  --mint-light: #D4F5E7;
  --mint-bg: #EFF9F4;
  --coral: #F37A6E;
  --coral-dark: #E05D51;
  --coral-light: #FCDBD8;
  --coral-bg: #FEF3F2;
  --navy: #1C1D3F;
  --navy-soft: #2D2F5A;
  --navy-muted: #4A4C72;

  /* Semantic aliases */
  --primary: var(--coral);
  --primary-dark: var(--coral-dark);
  --primary-light: var(--coral-light);
  --accent: var(--mint-deeper);
  --accent-light: var(--mint-light);
  --danger: #E05D51;
  --danger-light: #FEF3F2;
  --warning: #F59E0B;
  --warning-light: #FFFBEB;
  --success: #5BB896;
  --success-light: #D1FAE5;

  /* Neutrals */
  --gray-50: #F4F4F6;
  --gray-100: #F4F4F6;
  --gray-200: #E8E8EE;
  --gray-300: #D4D4DE;
  --gray-400: #B0B0C0;
  --gray-500: #8A8A9E;
  --gray-600: #70708A;
  --gray-700: #4A4C72;
  --gray-800: #3A3A50;
  --gray-900: #1C1D3F;
  --white: #FFFFFF;

  /* Typography */
  --font: 'Nunito Sans', sans-serif;
  --font-display: 'Nunito', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Border radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 4px rgba(28,29,63,0.07);
  --shadow-sm: 0 2px 10px rgba(28,29,63,0.09);
  --shadow: 0 2px 10px rgba(28,29,63,0.09);
  --shadow-md: 0 4px 24px rgba(28,29,63,0.12);
  --shadow-lg: 0 8px 48px rgba(28,29,63,0.16);
  --shadow-mint: 0 4px 20px rgba(161,231,201,0.45);
  --shadow-coral: 0 4px 20px rgba(243,122,110,0.38);
  --shadow-navy: 0 4px 20px rgba(28,29,63,0.28);
}

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

body {
  font-family: var(--font);
  color: var(--navy);
  background: var(--gray-50);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--coral-dark); }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); }

/* ---- Layout ---- */
.page { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}
.sidebar-brand {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}
.sidebar-brand img {
  height: 32px;
  width: 32px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}
.sidebar-brand div {
  min-width: 0;
  overflow: hidden;
}
.sidebar-brand h1 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  color: var(--mint);
  letter-spacing: -0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-brand small {
  font-size: 10px;
  color: rgba(255,255,255,0.45);
  display: block;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: rgba(255,255,255,0.6);
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.15s;
}
.sidebar-nav a:hover {
  background: rgba(255,255,255,0.08);
  color: var(--mint);
  text-decoration: none;
}
.sidebar-nav a.active {
  background: rgba(161,231,201,0.15);
  color: var(--mint);
}
.sidebar-nav .nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.sidebar-section {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.35);
  padding: 16px 12px 6px;
}
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.sidebar-footer .user-name { color: var(--white); font-family: var(--font-display); font-weight: 700; }

.main { flex: 1; margin-left: 240px; }
.topbar {
  height: 56px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar h2 { font-family: var(--font-display); font-size: 16px; font-weight: 800; color: var(--navy); }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.content { padding: 28px; max-width: 1200px; }

/* ---- Auth layout (no sidebar) ---- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.auth-page::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--mint) 0%, transparent 70%);
  opacity: 0.12;
}
.auth-page::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 200px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--coral) 0%, transparent 70%);
  opacity: 0.15;
}
.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}
.auth-card .logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-card .logo img {
  height: 48px;
  width: auto;
  margin-bottom: 8px;
}
.auth-card .logo h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
}
.auth-card .logo h1 span { color: var(--coral); }
.auth-card .logo p {
  color: var(--gray-600);
  font-size: 13px;
  margin-top: 4px;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--navy); }
.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--gray-200);
  background: var(--mint-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ---- Stat cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.stat-card .stat-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  color: var(--coral);
  margin-top: 4px;
}
.stat-card .stat-sub {
  font-size: 12px;
  color: var(--gray-600);
  margin-top: 2px;
}

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  text-align: left;
  padding: 10px 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-600);
  background: var(--mint-bg);
  border-bottom: 1px solid var(--gray-200);
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
tbody tr:hover { background: var(--mint-bg); }
tbody tr:last-child td { border-bottom: none; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: var(--shadow-coral);
}
.btn-primary:hover { background: var(--coral-dark); box-shadow: 0 6px 28px rgba(243,122,110,0.48); }
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--gray-400);
  color: var(--navy);
}
.btn-danger {
  background: transparent;
  color: var(--coral);
  border: 2px solid var(--coral);
}
.btn-danger:hover {
  background: var(--coral);
  color: var(--white);
}
.btn-success {
  background: var(--mint);
  color: var(--navy);
  box-shadow: var(--shadow-mint);
}
.btn-success:hover { background: var(--mint-dark); }
.btn-navy {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-navy);
}
.btn-navy:hover { background: var(--navy-soft); }
.btn-mint {
  background: var(--mint);
  color: var(--navy);
  box-shadow: var(--shadow-mint);
}
.btn-mint:hover { background: var(--mint-dark); }
.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-lg { padding: 14px 30px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group label .required { color: var(--coral); }
.form-control {
  width: 100%;
  padding: 11px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font);
  color: var(--navy);
  background: var(--white);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-control::placeholder { color: var(--gray-400); }
.form-control:focus {
  border-color: var(--mint-dark);
  box-shadow: 0 0 0 3px rgba(161,231,201,0.28);
}
.form-control:read-only {
  background: var(--gray-100);
  color: var(--gray-600);
}
.form-control.error {
  border-color: var(--coral);
}
.form-control.error:focus {
  box-shadow: 0 0 0 3px rgba(243,122,110,0.2);
}
textarea.form-control { min-height: 120px; resize: vertical; }
.form-hint {
  font-size: 12px;
  color: var(--gray-600);
  margin-top: 4px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
}
.checkbox-group input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--mint-dark);
  width: 18px;
  height: 18px;
  cursor: pointer;
}
.checkbox-group label {
  font-size: 13px;
  color: var(--gray-800);
  margin-bottom: 0;
  cursor: pointer;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
}
.badge-primary { background: var(--mint-light); color: var(--navy); }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FFFBEB; color: #92400E; }
.badge-danger { background: var(--coral-light); color: var(--coral-dark); }
.badge-gray { background: var(--gray-200); color: var(--gray-800); }
.badge-accent { background: var(--mint-light); color: var(--navy); }

/* ---- Tags ---- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--gray-200);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-800);
  margin-right: 4px;
  margin-bottom: 4px;
}
.tag-project { background: var(--mint-light); color: var(--navy); }
.tag-deadline { background: var(--coral-light); color: var(--coral-dark); }
.tag-person { background: #F3E5F5; color: #7B1FA2; }
.tag-decision { background: #D1FAE5; color: #065F46; }
.tag-role { background: #FFFBEB; color: #92400E; }
.tag-task { background: var(--mint-bg); color: var(--mint-deeper); }
.tag-client { background: #FEF3C7; color: #92400E; }

/* ---- Flash messages ---- */
.flash {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.flash-success { background: var(--mint-bg); border-left: 4px solid var(--mint-deeper); color: var(--navy); }
.flash-error { background: var(--coral-bg); border-left: 4px solid var(--coral); color: var(--coral-dark); }
.flash-warning { background: #FFFBEB; border-left: 4px solid #F59E0B; color: #92400E; }
.flash-info { background: #EEF2FF; border-left: 4px solid #6366F1; color: var(--navy-soft); }

/* ---- Confidence indicator ---- */
.confidence {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--gray-600);
}
.confidence-bar {
  width: 40px;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
}
.confidence-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--mint-deeper);
}
.confidence-bar-fill.medium { background: var(--warning); }
.confidence-bar-fill.low { background: var(--coral); }

/* ---- Diff view ---- */
.diff-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.diff-pane { overflow: auto; }
.diff-pane pre {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 16px;
  background: var(--navy);
  border-radius: var(--radius-md);
  color: #CBD5E1;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.diff-added { background: #D1FAE5; }
.diff-removed { background: var(--coral-bg); }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-600);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-state h3 { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: 16px; margin-bottom: 8px; }
.empty-state p { font-size: 13px; margin-bottom: 16px; }

/* ---- Modal/dialog ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28,29,63,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  padding: 24px;
}
.modal h3 { font-family: var(--font-display); font-weight: 800; font-size: 16px; margin-bottom: 12px; }
.modal p { font-size: 13px; color: var(--gray-600); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ---- Upload zone ---- */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.upload-zone:hover {
  border-color: var(--mint-dark);
  background: var(--mint-bg);
}
.upload-zone .upload-icon { font-size: 32px; color: var(--gray-400); }
.upload-zone p { font-size: 13px; color: var(--gray-600); margin-top: 8px; }
.upload-zone .formats { font-size: 11px; color: var(--gray-400); margin-top: 4px; }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: -2px;
}
.tab:hover { color: var(--navy); }
.tab.active {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---- Progress steps ---- */
.progress-steps {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-400);
}
.progress-step.active { color: var(--coral); }
.progress-step.done { color: var(--mint-deeper); }
.step-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}
.progress-step.active .step-circle {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}
.progress-step.done .step-circle {
  background: var(--mint-deeper);
  color: var(--white);
  border-color: var(--mint-deeper);
}

/* ---- System health ---- */
.health-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.health-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint-deeper);
}
.health-dot.warning { background: var(--warning); }
.health-dot.error { background: var(--coral); }

/* ---- Distributor footer ---- */
.distributor-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 16px;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.distributor-footer:hover { opacity: 0.8; }
.distributor-footer img { height: 24px; width: auto; }
.distributor-footer span {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- Responsive (minimal) ---- */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .diff-container { grid-template-columns: 1fr; }
}