.signatures-page {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
  color: #0f172a;
}

.signatures-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: 1.25rem;
  padding: 1.75rem 2rem;
  color: #fff;
}

.signatures-header-title-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.signatures-header-title-group h1 {
  font-size: 1.75rem;
  margin: 0;
  font-weight: 600;
}

.signatures-header-title-group p {
  margin: 0.25rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.signatures-header-icon {
  width: 3rem;
  height: 3rem;
  padding: 0.75rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.12);
}

.signatures-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.signatures-action-button,
.signatures-primary-button,
.signatures-mini-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.signatures-action-button {
  padding: 0.6rem 1.1rem;
  background: rgba(15, 23, 42, 0.1);
  color: #0f172a;
}

.signatures-primary-button {
  padding: 0.6rem 1.25rem;
  background: #22c55e;
  color: #0f172a;
  box-shadow: 0 12px 30px -12px rgba(34, 197, 94, 0.8);
}

.signatures-mini-button {
  padding: 0.4rem 0.85rem;
  background: rgba(15, 23, 42, 0.05);
  color: #0f172a;
  font-size: 0.85rem;
}

.signatures-action-button:disabled,
.signatures-primary-button:disabled,
.signatures-mini-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.signatures-action-button:not(:disabled):hover,
.signatures-primary-button:not(:disabled):hover,
.signatures-mini-button:not(:disabled):hover {
  transform: translateY(-1px);
}

.button-icon {
  width: 1rem;
  height: 1rem;
}

.signatures-stat-bar {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.signatures-stat-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 1rem;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 16px 30px -20px rgba(15, 23, 42, 0.25);
}

.stat-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.14);
  border-radius: 0.65rem;
  padding: 0.45rem;
}

.stat-label {
  font-size: 0.8rem;
  color: #64748b;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.signatures-stat-card strong {
  font-size: 1.25rem;
  color: #0f172a;
}

.signatures-stat-card.status-sent .stat-icon { color: #2563eb; background: rgba(37, 99, 235, 0.12); }
.signatures-stat-card.status-signed .stat-icon { color: #22c55e; background: rgba(34, 197, 94, 0.14); }
.signatures-stat-card.status-declined .stat-icon { color: #f97316; background: rgba(249, 115, 22, 0.16); }
.signatures-stat-card.status-expired .stat-icon { color: #f97316; background: rgba(249, 115, 22, 0.16); }

.signatures-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.signatures-filter-button {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  font-weight: 500;
  color: #0f172a;
}

.signatures-filter-button.active {
  background: #0f172a;
  color: #fff;
  box-shadow: 0 10px 25px -18px rgba(15, 23, 42, 0.7);
}

.signatures-loading,
.signatures-error,
.signatures-empty {
  border-radius: 1.25rem;
  padding: 3rem 2rem;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  text-align: center;
  box-shadow: 0 18px 40px -26px rgba(15, 23, 42, 0.3);
}

.signatures-loading .spinner,
.audit-loading .spinner {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 3px solid rgba(15, 23, 42, 0.12);
  border-top-color: #0f172a;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 1rem;
}

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

.signatures-error .error-icon {
  width: 3rem;
  height: 3rem;
  color: #f97316;
  margin-bottom: 1rem;
}

.signatures-empty .empty-icon {
  width: 3rem;
  height: 3rem;
  color: #0f172a;
  margin-bottom: 1rem;
}

.signatures-layout {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(340px, 1fr) minmax(360px, 420px);
}

.signatures-grid {
  display: grid;
  gap: 1.25rem;
}

.signatures-card {
  background: #fff;
  border-radius: 1.1rem;
  padding: 1.5rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 20px 40px -30px rgba(15, 23, 42, 0.35);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border 0.15s ease;
}

.signatures-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 45px -30px rgba(15, 23, 42, 0.45);
}

.signatures-card.active {
  border-color: #2563eb;
  box-shadow: 0 30px 60px -36px rgba(37, 99, 235, 0.4);
}

.signatures-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.signatures-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #0f172a;
}

.signature-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-weight: 600;
}

.signature-status-badge .signature-status-icon {
  width: 0.9rem;
  height: 0.9rem;
}

.signature-status-badge.status-draft { background: rgba(148, 163, 184, 0.18); color: #475569; }
.signature-status-badge.status-sent { background: rgba(37, 99, 235, 0.15); color: #1d4ed8; }
.signature-status-badge.status-signed { background: rgba(34, 197, 94, 0.18); color: #15803d; }
.signature-status-badge.status-declined { background: rgba(249, 115, 22, 0.16); color: #c2410c; }
.signature-status-badge.status-expired { background: rgba(148, 163, 184, 0.2); color: #475569; }

.signatures-card-content-preview {
  margin: 0;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.45;
  max-height: 4.5rem;
  overflow: hidden;
}

.signatures-card-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  font-size: 0.8rem;
  color: #64748b;
}

.meta-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
  color: #94a3b8;
}

.signatures-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.signature-relations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.relation-pill {
  background: rgba(148, 163, 184, 0.16);
  color: #0f172a;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
}

.signatures-card-actions {
  display: flex;
  gap: 0.5rem;
}

.signatures-detail-panel {
  background: #fff;
  border-radius: 1.1rem;
  padding: 1.5rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 24px 48px -34px rgba(15, 23, 42, 0.35);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.detail-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.detail-panel-header h2 {
  margin: 0;
  font-size: 1.35rem;
  color: #0f172a;
}

.document-content {
  background: rgba(148, 163, 184, 0.12);
  border-radius: 0.85rem;
  padding: 1rem;
  max-height: 220px;
  overflow: auto;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.detail-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #94a3b8;
}

.signature-list,
.audit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.signature-list li,
.audit-list li {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  background: #f8fafc;
}

.signature-meta {
  display: block;
  font-size: 0.8rem;
  color: #64748b;
}

.signature-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: #475569;
}

.signature-hash .hash-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
  border-radius: 0.75rem;
  padding: 0.35rem 0.6rem;
  border: none;
  cursor: pointer;
}

.section-icon {
  width: 1rem;
  height: 1rem;
  margin-right: 0.35rem;
}

.audit-entry {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.audit-meta {
  font-size: 0.75rem;
  color: #64748b;
}

.audit-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: #475569;
}

.audit-loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #475569;
}

.empty-section {
  margin: 0;
  color: #94a3b8;
  font-size: 0.9rem;
}

.signatures-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 50;
}

.signatures-modal-content {
  background: #fff;
  border-radius: 1.25rem;
  width: min(720px, 100%);
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.signatures-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.signatures-modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: #0f172a;
}

.signatures-modal-close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
  color: #64748b;
}

.signatures-modal-body {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.signatures-modal-description {
  margin: 0;
  color: #475569;
  font-size: 0.95rem;
}

.signatures-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #0f172a;
}

.signatures-field span {
  font-weight: 500;
}

.signatures-field input,
.signatures-field textarea,
.signatures-field select {
  border-radius: 0.75rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: #0f172a;
  background: #fff;
}

.signatures-field textarea {
  resize: vertical;
  min-height: 130px;
}

.signatures-field select {
  background: #fff;
}

.signatures-select-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.signatures-select-row select {
  flex: 1;
}

.signatures-field-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #64748b;
}

.signatures-field-hint.error {
  color: #b91c1c;
}

.signatures-service-preview {
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(148, 163, 184, 0.12);
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  color: #1f2937;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.signatures-service-preview strong {
  font-size: 1rem;
}

.signatures-service-preview p {
  margin: 0;
  font-size: 0.85rem;
  color: #475569;
}

.signatures-service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.75rem;
  color: #0f172a;
}

.signatures-service-meta span {
  background: rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
}

.signatures-field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.signatures-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.75rem 1.5rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

@media (max-width: 1080px) {
  .signatures-layout {
    grid-template-columns: 1fr;
  }

  .signatures-detail-panel {
    order: -1;
  }
}

@media (max-width: 768px) {
  .signatures-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .signatures-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .signatures-page {
    padding: 1rem;
  }

  .signatures-modal {
    padding: 1rem;
  }
}