:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #181824;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --dim: #71717a;
  --accent: #6366f1;
  --accent-hover: #5558e3;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.35);
  --danger-text: #fca5a5;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.22), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(34, 197, 94, 0.06), transparent);
}

.hidden { display: none !important; }

.view {
  position: relative;
  min-height: 100vh;
}

.login-card {
  width: min(420px, calc(100% - 2rem));
  margin: 4rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.logo span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.logo.compact span {
  font-size: 0.78rem;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.login-card h1 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.subtitle {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}

.field {
  margin-bottom: 1rem;
}

label input {
  margin-top: 0.4rem;
}

input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 4.25rem;
}

.password-toggle {
  position: absolute;
  right: 0.45rem;
  top: 0;
  bottom: 0;
  margin: auto 0;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.55rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
}

.password-toggle:hover {
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.12);
}

.password-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.45);
}

input:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.55);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.footnote {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--dim);
  text-align: center;
}

.error-banner {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.topbar {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.inbox-panel {
  max-width: 760px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-head h2 {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.refresh-timer {
  font-size: 0.82rem;
  color: var(--dim);
  white-space: nowrap;
}

.refresh-timer.refreshing {
  color: #fbbf24;
}

.auto-refresh-note {
  margin-top: 0.2rem;
  font-size: 0.75rem;
  color: var(--dim);
}

.sync-label {
  font-size: 0.8rem;
  color: var(--dim);
  white-space: nowrap;
}

.sync-label.syncing {
  color: #fbbf24;
}

.messages-list {
  display: grid;
  gap: 0.75rem;
}

.message-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}

.message-card.code-card {
  padding: 0.9rem 1rem;
}

.code-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.code-date {
  color: var(--dim);
  font-size: 0.82rem;
}

.copy-code-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
}

.copy-code-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.copy-code-btn.copied {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.35);
}

.code-line {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
}

.message-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.message-from {
  font-weight: 600;
  font-size: 0.95rem;
}

.message-date {
  color: var(--dim);
  font-size: 0.8rem;
  white-space: nowrap;
}

.message-subject {
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.message-preview {
  color: var(--muted);
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.empty-state .muted {
  color: var(--dim);
  font-size: 0.88rem;
  margin-top: 0.35rem;
}

@media (max-width: 560px) {
  .login-card { margin-top: 2rem; }
  .topbar { align-items: flex-start; flex-direction: column; }
}