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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  min-height: 100vh;
  color: #e4e4e7;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  color: #a78bfa;
  margin-bottom: 0.5rem;
}

.tagline {
  color: #71717a;
  font-size: 1rem;
}

.email-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.email-input-group {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  min-width: 250px;
}

.email-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  color: #a78bfa;
  font-size: 1rem;
  font-family: monospace;
  font-weight: 600;
  outline: none;
  min-width: 80px;
}

.email-input-group input::placeholder {
  color: #71717a;
  font-weight: 400;
}

.domain-suffix {
  color: #71717a;
  font-family: monospace;
  padding-right: 1rem;
  white-space: nowrap;
}

#domainName {
  color: #a1a1aa;
}

.email-display button {
  background: #a78bfa;
  color: #1a1a2e;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.email-display button:hover {
  background: #8b5cf6;
  transform: translateY(-1px);
}

#setBtn {
  background: #22c55e;
}

#setBtn:hover {
  background: #16a34a;
}

.email-display button:active {
  transform: translateY(0);
}

.timer {
  text-align: center;
  margin-top: 1rem;
  color: #71717a;
  font-size: 0.875rem;
}

.timer span {
  color: #f87171;
  font-family: monospace;
}

.inbox {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.inbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.inbox-header h2 {
  font-size: 1.25rem;
  color: #e4e4e7;
}

#emailCount {
  color: #71717a;
  font-size: 0.875rem;
}

.email-list {
  max-height: 400px;
  overflow-y: auto;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: #71717a;
}

.email-item {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: background 0.2s;
}

.email-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.email-item.unread {
  background: rgba(167, 139, 250, 0.1);
}

.email-item .from {
  font-weight: 600;
  color: #e4e4e7;
  margin-bottom: 0.25rem;
}

.email-item .subject {
  color: #a1a1aa;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.email-item .time {
  color: #71717a;
  font-size: 0.75rem;
}

.email-view {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  margin-top: 1.5rem;
}

.email-view.hidden {
  display: none;
}

.email-view-header {
  display: flex;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.email-view-header button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e4e4e7;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.email-view-header button:hover {
  background: rgba(255, 255, 255, 0.1);
}

#deleteBtn {
  border-color: #f87171;
  color: #f87171;
}

#deleteBtn:hover {
  background: rgba(248, 113, 113, 0.2);
}

.email-content {
  padding: 1.5rem;
}

.email-content h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #e4e4e7;
}

.email-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: #71717a;
}

.email-meta strong {
  color: #a1a1aa;
}

.email-body {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 1rem;
  line-height: 1.6;
  overflow-x: auto;
}

.email-body img {
  max-width: 100%;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: #a78bfa;
  color: #1a1a2e;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  header h1 {
    font-size: 2rem;
  }

  .email-display {
    flex-direction: column;
  }

  .email-display button {
    width: 100%;
  }
}

/* Footer */
footer {
  text-align: center;
  margin-top: 2rem;
  padding: 1.5rem;
  color: #71717a;
  font-size: 0.875rem;
}

footer .heart {
  color: #f87171;
  animation: pulse 1.5s ease infinite;
}

footer a {
  color: #a78bfa;
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}