:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
}

body {
  min-height: 100vh;
}

[data-theme='light'] {
  --pico-primary: #6366f1;
  --pico-primary-hover: #4f46e5;
}

#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-card h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.login-card .subtitle {
  color: var(--pico-muted-color);
  margin-bottom: 2rem;
}

#app-view {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--pico-muted-border-color);
  margin-bottom: 1.5rem;
}

.app-header h1 {
  margin: 0;
  font-size: 1.25rem;
}

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

.view-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.view-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.address-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.address-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.address-card:hover {
  border-color: var(--pico-primary);
  background: var(--pico-primary-focus);
}

.address-card .email {
  font-family: monospace;
  font-size: 0.9rem;
}

.address-card .meta {
  font-size: 0.75rem;
  color: var(--pico-muted-color);
  text-align: right;
}

.address-card .status {
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 1rem;
  background: var(--pico-primary-focus);
  color: var(--pico-primary);
}

.message-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.message-card {
  padding: 0.65rem 1rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.message-card:hover {
  border-color: var(--pico-primary);
  background: var(--pico-primary-focus);
}

.message-card .sender {
  font-weight: 600;
  font-size: 0.85rem;
}

.message-card .subject {
  font-size: 0.85rem;
  margin: 0.15rem 0;
}

.message-card .date {
  font-size: 0.7rem;
  color: var(--pico-muted-color);
}

.message-card.unread {
  border-left: 3px solid var(--pico-primary);
}

.mail-detail {
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  overflow: hidden;
}

.mail-detail .mail-header {
  padding: 1rem;
  background: var(--pico-secondary-background);
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.mail-detail .mail-header .field {
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
}

.mail-detail .mail-header .field strong {
  display: inline-block;
  width: 60px;
  color: var(--pico-muted-color);
}

.mail-body {
  padding: 1rem;
}

.mail-body iframe {
  width: 100%;
  border: none;
  min-height: 300px;
}

.mail-body pre {
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--pico-muted-color);
}

.empty-state p {
  font-size: 1rem;
}

.error-banner {
  padding: 0.75rem 1rem;
  background: #fde8e8;
  color: #c81e1e;
  border-radius: var(--pico-border-radius);
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.spinner {
  text-align: center;
  padding: 2rem;
}

.copy-btn {
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.copy-btn:hover {
  opacity: 1;
}

@media (max-width: 600px) {
  .address-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .address-card .meta {
    text-align: left;
  }
}