:root {
  --ink: #071820;
  --ink-soft: #143041;
  --foam: #1fb8a8;
  --foam-deep: #0e8f84;
  --sand: #e8f2f0;
  --mist: #f3faf8;
  --line: rgba(7, 24, 32, 0.1);
  --text: #102833;
  --muted: #5a7380;
  --danger: #c23b3b;
  --shadow: 0 18px 50px rgba(7, 24, 32, 0.12);
  --radius: 18px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--mist);
  line-height: 1.55;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(31, 184, 168, 0.28), transparent 60%),
    radial-gradient(700px 420px at 92% 8%, rgba(20, 48, 65, 0.18), transparent 55%),
    linear-gradient(165deg, #eef8f5 0%, #f7fbfa 45%, #e7f0f4 100%);
}

.admin-atm {
  background:
    radial-gradient(800px 420px at 80% -5%, rgba(31, 184, 168, 0.2), transparent 55%),
    radial-gradient(600px 360px at 10% 20%, rgba(20, 48, 65, 0.12), transparent 50%),
    linear-gradient(180deg, #edf5f3 0%, #f6faf9 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--foam), var(--ink-soft));
  box-shadow: 0 0 0 3px rgba(31, 184, 168, 0.18);
  animation: pulse-mark 3.2s ease-in-out infinite;
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.nav-link,
.nav-btn {
  border: 0;
  background: transparent;
  font: inherit;
  color: var(--muted);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-btn:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.nav-link.is-active,
.nav-btn.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.nav-btn.danger {
  color: var(--danger);
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem 3rem;
}

.hero-panel {
  padding: 1.5rem 0 1.25rem;
  animation: rise 0.7s ease both;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--foam-deep);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-hero {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--ink);
}

.lede {
  margin: 0.9rem 0 1.5rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.lede.compact {
  margin-bottom: 1.2rem;
}

.address-stage {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
  animation: rise 0.85s ease both 0.08s;
}

.address-empty {
  display: flex;
  justify-content: flex-start;
}

.address-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
}

.address-value {
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: clamp(0.95rem, 2.5vw, 1.2rem);
  color: var(--ink);
  word-break: break-all;
  background: transparent;
}

.address-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(31, 184, 168, 0.14);
  color: var(--foam-deep);
  font-size: 0.82rem;
  font-weight: 600;
}

.pill.muted {
  background: rgba(7, 24, 32, 0.06);
  color: var(--muted);
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s, box-shadow 0.2s;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--ink-soft), var(--ink));
  color: #f4fffc;
  box-shadow: 0 10px 24px rgba(7, 24, 32, 0.22);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1a4156, #0a1f2a);
}

.btn-soft {
  background: rgba(31, 184, 168, 0.16);
  color: var(--foam-deep);
}

.btn-soft:hover {
  background: rgba(31, 184, 168, 0.26);
}

.btn-ghost {
  background: rgba(7, 24, 32, 0.05);
  color: var(--ink);
}

.btn-ghost:hover {
  background: rgba(7, 24, 32, 0.1);
}

.btn.full {
  width: 100%;
}

.inbox-panel {
  margin-top: 1.5rem;
  animation: rise 1s ease both 0.12s;
}

.inbox-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.inbox-head-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

#autoRefreshHint {
  font-variant-numeric: tabular-nums;
  min-width: 8.5rem;
  justify-content: center;
}

.inbox-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.count {
  color: var(--muted);
  font-size: 0.9rem;
}

.inbox-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) 1.3fr;
  gap: 0.85rem;
  min-height: 420px;
}

.mail-list,
.mail-detail {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
}

.mail-list {
  overflow-y: auto;
  max-height: 560px;
}

.mail-item {
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.95rem 1rem;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s;
}

.mail-item:hover,
.mail-item.is-active {
  background: rgba(31, 184, 168, 0.1);
}

.mail-item .sub {
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mail-item .meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.mail-detail {
  padding: 1.25rem 1.35rem;
  overflow-y: auto;
  max-height: 560px;
}

.detail-subject {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.detail-meta {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.detail-body {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.95rem;
}

.detail-html {
  white-space: normal;
}

.detail-html img {
  max-width: 100%;
  height: auto;
}

.detail-html a {
  color: var(--accent, #0b57d0);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 1.5rem;
  color: var(--muted);
  text-align: center;
}

.site-foot {
  max-width: 1120px;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Admin */
.admin-shell {
  padding-top: 1rem;
}

.login-panel {
  display: grid;
  place-items: center;
  min-height: 60vh;
}

.login-card {
  width: min(420px, 100%);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  animation: rise 0.6s ease both;
}

.login-card h1,
.panel-title h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  font-size: 1.9rem;
}

.panel-title p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.95rem;
}

.field span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
  border-color: rgba(31, 184, 168, 0.7);
  box-shadow: 0 0 0 3px rgba(31, 184, 168, 0.18);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 0.75rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.35rem;
}

.form-hint {
  min-height: 1.25rem;
  margin: 0.75rem 0 0;
  color: var(--danger);
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.form-hint.ok {
  color: var(--foam-deep);
}

.admin-workspace {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.4rem 1.35rem 1.6rem;
  box-shadow: var(--shadow);
  animation: rise 0.55s ease both;
}

.admin-panel {
  display: none;
}

.admin-panel.is-active {
  display: block;
}

.alias-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.alias-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.alias-list li {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.alias-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.alias-addr {
  font-family: ui-monospace, Menlo, monospace;
  word-break: break-all;
}

.alias-count {
  font-size: 0.8rem;
  color: var(--foam-deep);
  font-weight: 600;
}

.alias-list li:last-child {
  border-bottom: 0;
}

.alias-list button {
  border: 0;
  background: rgba(7, 24, 32, 0.06);
  border-radius: 8px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat {
  padding: 1rem 1.05rem;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(31, 184, 168, 0.12), rgba(255, 255, 255, 0.7));
  border: 1px solid var(--line);
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.35rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: #f4fffc;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.hidden {
  display: none !important;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-mark {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

@media (max-width: 860px) {
  .inbox-grid {
    grid-template-columns: 1fr;
  }

  .mail-list,
  .mail-detail {
    min-height: 260px;
    max-height: none;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .topnav {
    flex-direction: column;
    align-items: flex-start;
  }
}