/* TempMail - Simple Classic Design */

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  text-align: center;
  padding: 30px 0 20px;
  border-bottom: 2px solid #2c3e50;
  margin-bottom: 30px;
}

.header h1 {
  font-size: 2.2em;
  color: #2c3e50;
  margin-bottom: 5px;
}

.subtitle {
  color: #7f8c8d;
  font-size: 1em;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border: 1px solid #bdc3c7;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.9em;
  background: #fff;
  color: #333;
  transition: background 0.2s;
}

.btn:hover {
  background: #ecf0f1;
}

.btn-primary {
  background: #2c3e50;
  color: #fff;
  border-color: #2c3e50;
}

.btn-primary:hover {
  background: #34495e;
}

.btn-secondary {
  background: #3498db;
  color: #fff;
  border-color: #3498db;
}

.btn-secondary:hover {
  background: #2980b9;
}

.btn-copy {
  background: #27ae60;
  color: #fff;
  border-color: #27ae60;
}

.btn-copy:hover {
  background: #229954;
}

.btn-danger {
  background: #e74c3c;
  color: #fff;
  border-color: #e74c3c;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-small {
  padding: 5px 10px;
  font-size: 0.85em;
}

/* Address Section */
.address-section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 25px;
  margin-bottom: 25px;
}

.address-section h2 {
  font-size: 1.1em;
  color: #2c3e50;
  margin-bottom: 15px;
}

.address-box {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.address-box input {
  flex: 1;
  padding: 12px 15px;
  border: 2px solid #2c3e50;
  border-radius: 3px;
  font-size: 1.1em;
  font-weight: bold;
  color: #2c3e50;
  background: #ecf0f1;
}

.address-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.domain-select {
  display: flex;
  align-items: center;
  gap: 8px;
}

.domain-select select {
  padding: 8px 12px;
  border: 1px solid #bdc3c7;
  border-radius: 3px;
  font-size: 0.9em;
}

.custom-address {
  border-top: 1px solid #eee;
  padding-top: 15px;
}

.custom-address label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9em;
  color: #7f8c8d;
}

.custom-input-group {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.custom-input-group input {
  padding: 8px 12px;
  border: 1px solid #bdc3c7;
  border-radius: 3px;
  font-size: 0.9em;
  width: 150px;
}

.custom-input-group span {
  color: #7f8c8d;
  font-size: 0.9em;
}

/* Inbox Section */
.inbox-section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 25px;
  margin-bottom: 25px;
}

.inbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.inbox-header h2 {
  font-size: 1.1em;
  color: #2c3e50;
}

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

.badge {
  background: #3498db;
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.8em;
  vertical-align: middle;
}

.auto-refresh-info {
  margin-bottom: 15px;
  font-size: 0.85em;
  color: #7f8c8d;
}

.auto-refresh-info input {
  margin-right: 5px;
}

/* Email List */
.email-list {
  border: 1px solid #ddd;
  border-radius: 3px;
  max-height: 400px;
  overflow-y: auto;
}

.email-item {
  display: flex;
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background 0.15s;
}

.email-item:hover {
  background: #f8f9fa;
}

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

.email-item.unread {
  background: #eaf2f8;
  font-weight: bold;
}

.email-item.unread:hover {
  background: #d4e6f1;
}

.email-item-content {
  flex: 1;
  min-width: 0;
}

.email-item-from {
  font-size: 0.9em;
  color: #2c3e50;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-item-subject {
  font-size: 0.95em;
  color: #555;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-item-date {
  font-size: 0.8em;
  color: #95a5a6;
  white-space: nowrap;
  padding-left: 10px;
}

.empty-inbox {
  text-align: center;
  padding: 40px 20px;
  color: #95a5a6;
}

.empty-inbox p:first-child {
  font-size: 1.5em;
  margin-bottom: 10px;
}

/* Modal - Email View */
.modal {
  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: 1000;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  border-radius: 4px;
  width: 100%;
  max-width: 900px;
  max-height: 95vh;
  overflow-y: auto;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  border-bottom: 1px solid #ddd;
  background: #f8f9fa;
}

.email-detail {
  padding: 20px;
}

.email-meta {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.meta-row {
  margin-bottom: 5px;
  font-size: 0.9em;
}

.meta-row strong {
  display: inline-block;
  width: 70px;
  color: #2c3e50;
}

.email-body-tabs {
  display: flex;
  gap: 5px;
  margin-bottom: 15px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
}

.tab-btn {
  padding: 5px 12px;
  border: 1px solid #ddd;
  border-radius: 3px;
  background: #f8f9fa;
  cursor: pointer;
  font-size: 0.85em;
}

.tab-btn.active {
  background: #2c3e50;
  color: #fff;
  border-color: #2c3e50;
}

.email-body {
  padding: 15px;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 3px;
  min-height: 200px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.9em;
  line-height: 1.6;
}

.email-body img {
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 10px 0;
  display: block;
}

/* Info Section */
.info-section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 25px;
  margin-bottom: 25px;
}

.info-section h2 {
  font-size: 1.1em;
  color: #2c3e50;
  margin-bottom: 15px;
}

.info-box {
  background: #ecf0f1;
  padding: 15px;
  border-radius: 3px;
  margin-bottom: 15px;
}

.info-box p {
  margin-bottom: 5px;
  font-size: 0.9em;
}

.setup-guide {
  font-size: 0.9em;
}

.setup-guide h3 {
  margin-bottom: 10px;
  font-size: 1em;
  color: #2c3e50;
}

.setup-guide ol {
  padding-left: 20px;
  margin-bottom: 10px;
}

.setup-guide li {
  margin-bottom: 5px;
}

.setup-guide code {
  background: #ecf0f1;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 0.9em;
}

.hint {
  font-size: 0.85em;
  color: #95a5a6;
}

/* Footer */
.footer {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid #ddd;
  color: #7f8c8d;
  font-size: 0.85em;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #2c3e50;
  color: #fff;
  padding: 12px 20px;
  border-radius: 4px;
  font-size: 0.9em;
  z-index: 9999;
  animation: slideIn 0.3s ease;
}

.toast.success { background: #27ae60; }
.toast.error { background: #e74c3c; }

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

/* Responsive */
@media (max-width: 600px) {
  .container { padding: 10px; }
  .header h1 { font-size: 1.6em; }
  .address-box { flex-direction: column; }
  .address-controls { flex-direction: column; align-items: stretch; }
  .custom-input-group { flex-direction: column; align-items: stretch; }
  .custom-input-group input { width: 100%; }
  .inbox-header { flex-direction: column; align-items: stretch; }
  .modal-content { max-width: 100%; }
}