/**
 * Session Management CSS
 * @implements SEC-P3-3
 */

/* ================================
   SESSION MANAGEMENT CONTAINER
   ================================ */

.session-management {
  max-width: 800px;
  margin: 0 auto;
}

.session-management-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #E5E7EB;
}

.session-header-content h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 4px 0;
  font-size: 18px;
  font-weight: 600;
  color: #111827;
}

.session-subtitle {
  margin: 0;
  font-size: 14px;
  color: #6B7280;
}

/* ================================
   SESSION LIST
   ================================ */

.session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.session-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: white;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  transition: all 0.2s ease;
}

.session-card:hover {
  border-color: #D1D5DB;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.session-card.current-session {
  border-color: #3B82F6;
  background: #EFF6FF;
}

/* Session Icon */
.session-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F3F4F6;
  border-radius: 10px;
  flex-shrink: 0;
}

.session-card-icon svg {
  width: 24px;
  height: 24px;
  color: #6B7280;
}

.current-session .session-card-icon {
  background: #DBEAFE;
}

.current-session .session-card-icon svg {
  color: #2563EB;
}

/* Session Content */
.session-card-content {
  flex: 1;
  min-width: 0;
}

.session-device {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.device-name {
  font-weight: 600;
  color: #111827;
  font-size: 15px;
}

.current-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  background: #3B82F6;
  color: white;
  border-radius: 10px;
}

.session-details {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 6px;
}

.session-browser,
.session-location {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: #6B7280;
}

.session-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.session-time,
.session-created {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #9CA3AF;
}

/* Session Actions */
.session-card-actions {
  flex-shrink: 0;
}

.session-active-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
  color: #059669;
}

.session-active-indicator svg {
  width: 16px;
  height: 16px;
}

/* ================================
   EMPTY & ERROR STATES
   ================================ */

.session-empty-state,
.session-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  background: #F9FAFB;
  border-radius: 12px;
}

.session-empty-state svg,
.session-error svg {
  width: 48px;
  height: 48px;
  color: #9CA3AF;
  margin-bottom: 16px;
}

.session-empty-state p,
.session-error p {
  margin: 0 0 4px 0;
  font-size: 16px;
  font-weight: 600;
  color: #374151;
}

.session-empty-state span,
.session-error span {
  font-size: 14px;
  color: #6B7280;
}

.session-error svg {
  color: #EF4444;
}

.session-error button {
  margin-top: 16px;
}

/* ================================
   FOOTER
   ================================ */

.session-management-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #E5E7EB;
}

.session-info-text {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: #6B7280;
}

.session-info-text svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ================================
   MODAL
   ================================ */

.session-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.session-modal {
  background: white;
  border-radius: 16px;
  width: 100%;
  max-width: 700px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.session-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid #E5E7EB;
}

.session-modal-header h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #111827;
}

.session-modal-body {
  padding: 24px;
  overflow-y: auto;
}

.loading-spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: #6B7280;
}

.loading-spinner-container p {
  margin: 16px 0 0 0;
  font-size: 14px;
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 640px) {
  .session-management-header {
    flex-direction: column;
    gap: 16px;
  }

  .session-card {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .session-card-icon {
    margin: 0 auto 12px;
  }

  .session-device {
    justify-content: center;
  }

  .session-details {
    justify-content: center;
    flex-wrap: wrap;
  }

  .session-meta {
    justify-content: center;
  }

  .session-card-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #E5E7EB;
  }

  .session-card-actions button {
    width: 100%;
  }
}