:root {
  --bg: #f2eee6;
  --panel: rgba(255, 252, 245, 0.88);
  --panel-strong: #fffaf1;
  --line: rgba(87, 70, 49, 0.16);
  --text: #221b12;
  --muted: #7a6a58;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --danger: #b42318;
  --shadow: 0 18px 40px rgba(73, 55, 31, 0.12);
  --radius: 20px;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(182, 141, 76, 0.18), transparent 28%),
    linear-gradient(180deg, #f6f1e7, #efe8db);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: #f7fffd;
  padding: 0.8rem 1.1rem;
  cursor: pointer;
  transition: transform 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

textarea {
  resize: vertical;
}

.shell {
  width: min(1560px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.topbar,
.overview,
.grid {
  display: grid;
  gap: 18px;
}

.topbar {
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-bottom: 18px;
}

.topbar-actions,
.inline-form,
.split,
.panel-head,
.chip-row,
.panel-actions {
  display: flex;
  gap: 12px;
}

.topbar-actions {
  align-items: center;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 6px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--muted);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-family: "IBM Plex Serif", "Georgia", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
}

h2 {
  font-size: 1.1rem;
}

.subtext,
.muted {
  color: var(--muted);
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 18px;
}

.login-card {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.inline-form input {
  flex: 1;
}

.hidden {
  display: none !important;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
}

.overview {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.overview .panel {
  padding: 14px 18px;
}

.stat-card {
  display: grid;
  gap: 6px;
}

.stat-card strong {
  font-size: 1.2rem;
  line-height: 1.3;
}

.stat-card .muted {
  font-size: 0.95rem;
}

.grid {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.compose-form {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 0.45fr 1fr auto;
  gap: 12px;
  align-items: end;
}

.compose-form label {
  display: grid;
  gap: 6px;
}

.compose-foot {
  display: grid;
  gap: 10px;
}

.stack-form {
  display: grid;
  gap: 12px;
}

.stack-form label,
.split label {
  display: grid;
  gap: 6px;
}

.helper-text {
  font-size: 0.92rem;
}

.create-result {
  display: grid;
  gap: 12px;
  margin: 16px 0 10px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(255, 255, 255, 0.74));
}

.create-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.result-list {
  display: grid;
  gap: 10px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 250, 241, 0.82);
  border: 1px solid rgba(87, 70, 49, 0.12);
}

.result-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.suggestion-block {
  display: grid;
  gap: 10px;
  margin: 16px 0 10px;
}

.section-caption {
  display: grid;
  gap: 4px;
}

.chip-row {
  flex-wrap: wrap;
}

.chip {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.38);
}

.chip:hover {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
}

.address-list {
  display: grid;
  gap: 10px;
  max-height: 720px;
  overflow: auto;
  padding-right: 4px;
}

.address-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: var(--panel-strong);
  display: grid;
  gap: 8px;
}

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

.mono {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  word-break: normal;
  overflow-wrap: anywhere;
}

.inbox-panel {
  min-height: 720px;
}

.panel-actions {
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.compact {
  padding: 0.58rem 0.9rem;
}

.latest-address-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 10px 0 16px;
  padding: 14px 16px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(255, 255, 255, 0.76));
}

.latest-address-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.latest-address-meta strong {
  font-size: 1.05rem;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  min-width: 1020px;
}

.col-recipient {
  width: 200px;
}

.col-sender {
  width: 170px;
}

.col-code {
  width: 120px;
}

.col-time {
  width: 160px;
}

th,
td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  overflow-wrap: anywhere;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: rgba(15, 118, 110, 0.06);
}

.code {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.3rem 0.45rem;
  background: rgba(34, 27, 18, 0.06);
  border-radius: 10px;
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

.code-button {
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.code-button:hover {
  transform: none;
  background: rgba(15, 118, 110, 0.12);
  border-color: rgba(15, 118, 110, 0.2);
  color: var(--accent);
}

.code-button[data-copied="true"] {
  background: rgba(15, 118, 110, 0.18);
  border-color: rgba(15, 118, 110, 0.28);
  color: var(--accent);
}

.message-preview {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.message-preview-text {
  flex: 1;
  min-width: 0;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.email-cell,
.sender-cell,
.time-cell {
  line-height: 1.55;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
}

.icon-button:hover {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
}

.icon-button[data-copied="true"] {
  background: rgba(15, 118, 110, 0.18);
  color: var(--accent);
  border-color: rgba(15, 118, 110, 0.28);
}

.icon-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.icon-button svg {
  width: 16px;
  height: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.unmatched {
  color: var(--muted);
}

.checkbox {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.checkbox input {
  width: auto;
}

.error {
  color: var(--danger);
  min-height: 1.2rem;
}

dialog {
  width: min(900px, calc(100% - 24px));
  border: 0;
  padding: 0;
  background: transparent;
}

dialog::backdrop {
  background: rgba(26, 19, 11, 0.45);
}

.detail-card {
  border-radius: 22px;
  overflow: hidden;
  background: #fff9f1;
  box-shadow: var(--shadow);
}

.settings-dialog {
  width: min(680px, calc(100% - 24px));
}

.settings-card {
  border-radius: 22px;
  overflow: hidden;
  background: #fff9f1;
  box-shadow: var(--shadow);
}

.compose-dialog {
  width: min(1120px, calc(100% - 24px));
}

.compose-card {
  border-radius: 22px;
  overflow: hidden;
  background: #fff9f1;
  box-shadow: var(--shadow);
}

.compose-body {
  display: grid;
  gap: 16px;
  padding: 18px 20px 22px;
}

.compose-body .create-result {
  margin: 0;
}

.address-dialog {
  width: min(860px, calc(100% - 24px));
}

.address-card-dialog {
  border-radius: 22px;
  overflow: hidden;
  background: #fff9f1;
  box-shadow: var(--shadow);
}

.address-body {
  display: grid;
  gap: 16px;
  padding: 18px 20px 22px;
  max-height: calc(88vh - 100px);
  overflow: auto;
}

.address-body .address-list {
  max-height: none;
}

.settings-body {
  display: grid;
  gap: 16px;
  padding: 18px 20px 22px;
}

.detail-head,
.detail-meta {
  padding: 18px 20px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.detail-meta {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.detail-body {
  margin: 0;
  padding: 0 20px 22px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 70vh;
  overflow: auto;
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

@media (max-width: 1100px) {
  .grid,
  .overview,
  .topbar {
    grid-template-columns: 1fr;
  }

  .compose-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 100%);
  }

  .compose-form {
    grid-template-columns: 1fr;
  }

  .inline-form,
  .split,
  .panel-head,
  .panel-actions,
  .latest-address-bar,
  .create-result-head,
  .result-item {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}