:root {
  /* Brand palette */
  --tfm-primary: #4a3d9a;
  --tfm-primary-dark: #3c317f;
  --tfm-primary-light: #eceaff;

  --tfm-secondary: #1752a1;
  --tfm-secondary-light: #e6f0ff;
  --tfm-accent: #108cce;
  --tfm-dark: #0f172a;

  /* Neutrals */
  --tfm-text: #1a1a1a;
  --tfm-muted: #6a6a6a;
  --tfm-border: #e0e3eb;
  --tfm-bg: #fafafc;
  --tfm-card-bg: #ffffff;
  --tfm-shadow: rgba(15, 23, 42, 0.06);

  /* Status */
  --tfm-success: #2e7d32;
  --tfm-warning: #f9a825;
  --tfm-danger: #c62828;

  /* Gradients */
  --tfm-grad-1: linear-gradient(135deg, #4a3d9a 0%, #1752a1 100%);
  --tfm-grad-2: linear-gradient(135deg, #1752a1 0%, #108cce 100%);
  --tfm-grad-soft: linear-gradient(135deg, #f4f5ff 0%, #fafafc 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--tfm-text);
  background-color: var(--tfm-bg);
}

.navbar {
  background: var(--tfm-grad-1);
  color: white;
  padding: 1rem 0;
  box-shadow: 0 2px 8px var(--tfm-shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  background-color: rgba(255, 255, 255, 0.2);
}

.btn-link {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.btn-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--tfm-dark);
}

h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--tfm-dark);
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--tfm-accent);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: var(--tfm-secondary);
}

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

.btn-primary:hover {
  background-color: var(--tfm-primary-dark);
}

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

.btn-success:hover {
  background-color: #1b5e20;
}

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

.btn-danger:hover {
  background-color: #ad1d1d;
}

.btn-warning {
  background-color: var(--tfm-warning);
}

.btn-warning:hover {
  background-color: #e08a00;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
  display: block;
}

.table {
  width: 100%;
  background-color: var(--tfm-card-bg);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 3px var(--tfm-shadow);
}

.table thead {
  background-color: var(--tfm-primary);
  color: white;
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--tfm-border);
}

.table tbody tr:hover {
  background-color: var(--tfm-primary-light);
}

.form {
  background-color: var(--tfm-card-bg);
  padding: 2rem;
  border-radius: 4px;
  box-shadow: 0 1px 3px var(--tfm-shadow);
  max-width: 600px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--tfm-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="file"],
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--tfm-border);
  border-radius: 4px;
  font-size: 1rem;
  color: var(--tfm-text);
}

.form-group textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.alert-error {
  background-color: #ffebee;
  color: var(--tfm-danger);
  border: 1px solid var(--tfm-danger);
}

.alert-success {
  background-color: #e8f5e9;
  color: var(--tfm-success);
  border: 1px solid var(--tfm-success);
}

.error {
  color: var(--tfm-danger);
  padding: 1rem;
  background-color: #ffebee;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.success {
  color: var(--tfm-success);
  padding: 1rem;
  background-color: #e8f5e9;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.login-page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--tfm-grad-soft);
}

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  padding: 2rem;
}

.login-box {
  background-color: var(--tfm-card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px var(--tfm-shadow);
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-logo img {
  max-width: 120px;
  height: auto;
}

.login-box h1 {
  text-align: center;
  color: var(--tfm-primary);
  margin-bottom: 0.5rem;
}

.login-box h2 {
  text-align: center;
  color: var(--tfm-muted);
  font-size: 1rem;
  font-weight: normal;
  margin-bottom: 2rem;
}

.login-footer {
  background-color: var(--tfm-dark);
  color: white;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.875rem;
}

.login-footer p {
  margin: 0.25rem 0;
}

.login-footer p:first-child {
  font-weight: 500;
  color: var(--tfm-accent);
}

.login-footer p:last-child {
  color: #bcc4d4;
}

.login-hint {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--tfm-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--tfm-card-bg);
  padding: 1.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 3px var(--tfm-shadow);
  border-left: 4px solid var(--tfm-primary);
}

.stat-card h3 {
  font-size: 0.875rem;
  color: var(--tfm-muted);
  margin-bottom: 0.5rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: var(--tfm-primary);
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
}

.status-pending {
  background-color: #fff3cd;
  color: #856404;
}

.status-uploaded {
  background-color: var(--tfm-secondary-light);
  color: var(--tfm-secondary);
}

.status-approved {
  background-color: #e8f5e9;
  color: var(--tfm-success);
}

.status-rejected {
  background-color: #ffebee;
  color: var(--tfm-danger);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--tfm-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.25rem;
}

.progress-fill {
  height: 100%;
  background: var(--tfm-grad-1);
  transition: width 0.3s;
}

.checkbox-group {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--tfm-border);
  border-radius: 4px;
  padding: 1rem;
}

.checkbox-label {
  display: block;
  padding: 0.5rem;
  cursor: pointer;
}

.checkbox-label:hover {
  background-color: var(--tfm-primary-light);
  border-radius: 4px;
}

.text-muted {
  color: var(--tfm-muted);
}

.copy-link-container {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.copy-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--tfm-border);
  border-radius: 4px;
  font-size: 0.875rem;
  background-color: var(--tfm-bg);
}

.copy-btn {
  white-space: nowrap;
}

.upload-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
  background: var(--tfm-grad-soft);
}

.upload-box {
  background-color: var(--tfm-card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px var(--tfm-shadow);
  width: 100%;
  max-width: 800px;
}

.upload-info {
  background-color: var(--tfm-primary-light);
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 2rem;
  border-left: 4px solid var(--tfm-primary);
}

.document-card {
  background-color: var(--tfm-bg);
  padding: 1.5rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  border: 1px solid var(--tfm-border);
}

.document-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.document-header h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--tfm-dark);
}

.document-description {
  color: var(--tfm-muted);
  margin-bottom: 1rem;
}

.upload-count {
  color: var(--tfm-success);
  font-weight: 500;
  margin-bottom: 1rem;
}

.upload-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.upload-form .form-group {
  flex: 1;
  margin-bottom: 0;
}

.upload-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--tfm-border);
  text-align: center;
  color: var(--tfm-muted);
  font-size: 0.875rem;
}

.card {
  background-color: var(--tfm-card-bg);
  padding: 1.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 3px var(--tfm-shadow);
  margin-bottom: 2rem;
}

.action-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.help-text {
  color: var(--tfm-muted);
  font-size: 0.875rem;
}

.form-card {
  background-color: var(--tfm-card-bg);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--tfm-shadow);
  max-width: 600px;
  margin: 0 auto;
}