:root {
  --primary: #1a56db;
  --primary-light: #3b82f6;
  --primary-dark: #1e40af;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --success: #059669;
  --success-light: #10b981;
  --success-50: #ecfdf5;
  --warning: #d97706;
  --warning-light: #f59e0b;
  --warning-50: #fffbeb;
  --danger: #dc2626;
  --danger-light: #ef4444;
  --danger-50: #fef2f2;
  --info: #0891b2;
  --info-50: #ecfeff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --black: #000000;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --sidebar-width: 260px;
  --topbar-height: 60px;
  --transition: all 0.2s ease;
}

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

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  height: 100%;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--white);
}

.loading-spinner {
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== AUTH SCREEN ===== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--white) 50%, var(--primary-50) 100%);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 40px 32px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  margin-bottom: 16px;
}

.auth-logo svg {
  display: inline-block;
}

.auth-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.auth-header p {
  font-size: 14px;
  color: var(--gray-500);
}

.auth-form .form-group {
  margin-bottom: 20px;
}

.auth-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"],
.auth-form input[type="tel"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
  background: var(--white);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.password-input {
  position: relative;
}

.password-input input {
  padding-right: 44px;
}

.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px;
}

.toggle-password:hover {
  color: var(--gray-600);
}

.form-error {
  background: var(--danger-50);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid rgba(220,38,38,0.1);
}

.form-success {
  background: var(--success-50);
  color: var(--success);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid rgba(5,150,105,0.1);
}

.auth-links {
  text-align: center;
  margin-top: 16px;
}

.auth-note {
  background: var(--primary-50);
  border: 1px solid var(--primary-100, rgba(26,86,219,.15));
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--gray-600);
  margin: 0 0 16px;
}

.auth-links a {
  color: var(--primary);
  font-size: 13px;
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

.auth-toggle {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--gray-500);
}

.auth-toggle a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-50);
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
}

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-success {
  background: var(--success);
  color: var(--white);
}

.btn-success:hover:not(:disabled) {
  background: #047857;
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--gray-100);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: 8px;
}

/* ===== MAIN APP LAYOUT ===== */
.main-app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-900);
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  padding: 4px;
}

.org-selector {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  position: relative;
}

.org-current {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--gray-50);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
}

.org-current:hover {
  background: var(--gray-100);
}

.org-dropdown {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 100%;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  max-height: 300px;
  overflow-y: auto;
}

.org-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.org-item:hover {
  background: var(--gray-50);
}

.org-item.active {
  background: var(--primary-50);
  color: var(--primary);
}

.org-add {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-top: 1px solid var(--gray-200);
  background: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--primary);
  text-align: left;
}

.org-add:hover {
  background: var(--primary-50);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--gray-600);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.nav-item.active {
  background: var(--primary-50);
  color: var(--primary);
}

.nav-divider {
  height: 1px;
  background: var(--gray-200);
  margin: 8px 12px;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.user-details {
  min-width: 0;
}

.user-name {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  display: block;
  font-size: 11px;
  color: var(--gray-500);
}

.btn-logout {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 8px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-logout:hover {
  color: var(--danger);
  background: var(--danger-50);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--topbar-height);
  padding: 0 24px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-600);
  padding: 4px;
}

.topbar-title {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-version {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 4px 8px;
  letter-spacing: 0.3px;
}

.lang-toggle {
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-600);
  transition: var(--transition);
}

.lang-toggle:hover {
  background: var(--gray-200);
}

.notification-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  padding: 8px;
  border-radius: var(--radius);
}

.notification-btn:hover {
  background: var(--gray-100);
}

.notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.contrib-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

#modal-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.att-toggle {
  display: inline-flex;
  gap: 6px;
}

.att-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--gray-700);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.att-btn-present.active {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.att-btn-absent.active {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.att-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--gray-200);
}

.table-bordered th {
  background: var(--gray-50);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

/* ===== 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-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--primary-100); color: var(--primary); }
.stat-icon.green { background: var(--success-50); color: var(--success); }
.stat-icon.yellow { background: var(--warning-50); color: var(--warning); }
.stat-icon.cyan { background: var(--info-50); color: var(--info); }
.stat-icon.red { background: var(--danger-50); color: var(--danger); }

.progress {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--success);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-bar-warn {
  background: var(--danger);
}

.budget-card {
  min-width: 260px;
}

.row-budgets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* ===== CONTRIBUTION CARDS ===== */
.contrib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.contrib-accent {
  height: 8px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.contrib-tint {
  position: relative;
  overflow: hidden;
}

.contrib-tint .contrib-glow {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  opacity: 0.12;
  pointer-events: none;
}

.contrib-card .card-body {
  padding: 14px 20px;
}

.contrib-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray-600);
}

.meta-row b {
  color: var(--gray-900);
  font-weight: 600;
}

.stat-info h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat-info p {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}

.stat-pct {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-100);
  padding: 2px 10px;
  border-radius: 999px;
}

.stat-pct-warn {
  color: var(--warning);
  background: var(--warning-50);
}

.stat-pct-green {
  color: var(--success);
  background: var(--success-50);
}

.stat-card-green .stat-info h3,
.stat-card-green .stat-info p {
  color: var(--success);
}

.stat-card-yellow .stat-info h3,
.stat-card-yellow .stat-info p {
  color: var(--warning);
}

.stat-card-red .stat-info h3,
.stat-card-red .stat-info p {
  color: var(--danger);
}

.stat-card-gray .stat-info h3,
.stat-card-gray .stat-info p {
  color: var(--gray-500);
}

/* ===== TABLES ===== */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

tr:hover td {
  background: var(--gray-50);
}

/* ===== FORMS ===== */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
  background: var(--white);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.field-error {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px var(--danger-50) !important;
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-blue { background: var(--primary-100); color: var(--primary-dark); }
.badge-green { background: var(--success-50); color: var(--success); }
.badge-yellow { background: var(--warning-50); color: var(--warning); }
.badge-red { background: var(--danger-50); color: var(--danger); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-cyan { background: var(--info-50); color: var(--info); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px;
  border-radius: var(--radius);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  min-width: 280px;
  max-width: 400px;
}

.toast-success { background: var(--success); color: var(--white); }
.toast-error { background: var(--danger); color: var(--white); }
.toast-warning { background: var(--warning); color: var(--white); }
.toast-info { background: var(--info); color: var(--white); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-500);
}

.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  margin-bottom: 20px;
}

/* ===== SEARCH ===== */
.search-input {
  position: relative;
  margin-bottom: 16px;
}

.search-input input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
}

.search-input input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.search-input svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
}

.tab:hover {
  color: var(--gray-700);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== TOOLBAR ===== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header-actions {
  display: flex;
  gap: 8px;
}

/* ===== ACTIVITY LIST ===== */
.activity-list {
  list-style: none;
}

.activity-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-dot.blue { background: var(--primary); }
.activity-dot.green { background: var(--success); }
.activity-dot.yellow { background: var(--warning); }

.activity-content {
  flex: 1;
}

.activity-text {
  font-size: 13px;
  color: var(--gray-700);
}

.activity-time {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

/* ===== CHECKBOX ===== */
.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
  background: var(--gray-50);
}

.pagination button.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-close {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .topbar {
    padding: 0 16px;
  }

  .page-content {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left, .toolbar-right {
    justify-content: space-between;
  }

  .modal {
    max-width: 100%;
    margin: 10px;
    max-height: 90vh;
  }

  .auth-container {
    padding: 24px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-info h3 {
    font-size: 20px;
  }

  th, td {
    padding: 8px 12px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topbar-title {
    font-size: 16px;
  }

  .page-header h2 {
    font-size: 18px;
  }
}

/* ===== BRANCH SELECTOR ===== */
.branch-selector {
  position: relative;
}

.branch-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.branch-current:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.branch-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 240px;
  max-width: 300px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 340px;
  overflow-y: auto;
}

.branch-dropdown-header {
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-400);
  border-bottom: 1px solid var(--gray-100);
}

.branch-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--gray-700);
  transition: var(--transition);
}

.branch-item:hover {
  background: var(--primary-50);
  color: var(--primary);
}

.branch-item.active {
  background: var(--primary-50);
  color: var(--primary);
  font-weight: 600;
}

.branch-item .branch-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.branch-item .branch-scope {
  margin-left: auto;
  font-size: 10px;
  color: var(--gray-400);
}

/* ===== STRUCTURE BUILDER ===== */
.sb-tree {
  padding: 12px;
  overflow-x: auto;
}

.sb-node {
  position: relative;
}

.sb-node-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 6px;
  background: var(--white);
  transition: var(--transition);
  flex-wrap: wrap;
}

.sb-node-row:hover {
  border-color: var(--primary-200);
  background: var(--primary-50);
  box-shadow: var(--shadow-sm);
}

.sb-toggle {
  width: 24px;
  height: 24px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.sb-toggle:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.sb-toggle-empty {
  cursor: default;
  visibility: hidden;
}

.sb-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--primary-100);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sb-name {
  flex: 1;
  min-width: 120px;
  display: flex;
  flex-direction: column;
}

.sb-name-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
}

.sb-meta {
  font-size: 11px;
  color: var(--gray-400);
}

.sb-badges {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}

.sb-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.sb-actions .btn {
  padding: 6px;
}

.sb-children {
  margin-left: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--gray-200);
}

/* ===== DETAILS VIEW ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 10px;
}

.level-filter-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.level-filter-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.level-filter-wrap select {
  min-width: 220px;
  max-width: 260px;
}

@media (max-width: 768px) {
  .level-filter-wrap select {
    min-width: 0;
  }
}

.level-member-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.level-member-header h3 {
  margin: 0;
  font-size: 14px;
  color: var(--gray-700);
}

.details-view .form-group label {
  color: var(--gray-400);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.details-view .form-group div:not(.form-report) {
  margin-top: 2px;
}

@media (max-width: 768px) {
  .sb-node-row {
    flex-wrap: wrap;
  }

  .sb-actions {
    margin-left: 32px;
  }

  .sb-name {
    min-width: 100px;
  }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 12px; }
.text-gray { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 8px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-50, #eef2ff);
  color: var(--primary, #4f46e5);
  font-size: 12px;
  font-weight: 600;
}

.readonly-input { background-color: #f0f0f0; color: #666; cursor: not-allowed; }