:root {
  --bg: #f6f1e8;
  --surface: rgba(255, 252, 246, 0.88);
  --surface-strong: #fffaf0;
  --surface-dark: #17313a;
  --text: #1f2421;
  --muted: #5e6766;
  --accent: #c95f34;
  --accent-dark: #a34924;
  --danger: #ad3c2f;
  --line: rgba(31, 36, 33, 0.12);
  --shadow: 0 24px 70px rgba(52, 38, 22, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-display: "Avenir Next", "Trebuchet MS", sans-serif;
  --font-body: "Iowan Old Style", "Palatino Linotype", serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(201, 95, 52, 0.18), transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(23, 49, 58, 0.16), transparent 22%),
    linear-gradient(135deg, var(--bg) 0%, #f1e0c9 45%, #efe8db 100%);
}

button,
input,
select {
  font: inherit;
}

code {
  padding: 0.12rem 0.35rem;
  border-radius: 999px;
  background: rgba(23, 49, 58, 0.08);
  font-family: ui-monospace, "SFMono-Regular", monospace;
}

/* ===== App Shell ===== */

.app-shell {
  width: min(1520px, calc(100vw - 24px));
  margin: 12px auto;
  padding: 24px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 249, 240, 0.92), rgba(255, 254, 250, 0.82));
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 24px);
}

.hero,
.toolbar,
.workspace,
.auth-gate {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 480ms ease forwards;
}

.toolbar {
  animation-delay: 90ms;
}

.workspace {
  animation-delay: 180ms;
}

/* ===== Hero ===== */

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
}

.eyebrow {
  margin: 0 0 6px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent-dark);
}

.hero h1,
.auth-card h2 {
  margin: 0;
  font-family: var(--font-display);
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
}

.hero-actions,
.preview-controls,
.settings-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.settings-header {
  justify-content: space-between;
}

/* ===== Status Banner ===== */

.status-banner {
  margin: 0 0 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(23, 49, 58, 0.08);
  color: var(--surface-dark);
  font-size: 0.92rem;
}

.status-banner.is-error {
  background: rgba(201, 95, 52, 0.12);
  color: var(--accent-dark);
}

/* ===== Auth / Setup Gates ===== */

.auth-gate {
  margin-bottom: 14px;
}

.auth-card,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(12px);
}

.auth-card {
  max-width: 620px;
  padding: 28px;
}

.auth-card-wide {
  max-width: none;
}

.auth-card h2 {
  font-size: 2rem;
  line-height: 1;
}

.login-form,
.settings-form {
  display: grid;
  gap: 12px;
}

.login-form {
  grid-template-columns: minmax(220px, 1fr) auto;
  margin-top: 20px;
}

.settings-form {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
  align-items: start;
}

.settings-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  grid-column: 1 / -1;
  margin-top: 4px;
}

/* ===== Toolbar ===== */

.toolbar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(12px);
}

.toolbar-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.toolbar-metrics {
  display: flex;
  gap: 18px;
  flex-shrink: 0;
}

.toolbar-metric {
  font-size: 0.88rem;
  color: var(--muted);
}

.toolbar-metric strong {
  font: 700 1.3rem/1 var(--font-display);
  color: var(--text);
  margin-right: 3px;
}

.toolbar-controls {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  margin-left: auto;
}

.toolbar-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.toolbar-field select,
.toolbar-field input {
  padding: 8px 12px;
  font-size: 0.88rem;
}

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

.toolbar-hint {
  margin: 0;
  font-size: 0.85rem;
}

.create-form {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.prefix-input-group {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  min-width: 0;
}

.prefix-input-group input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  min-width: 0;
}

.domain-suffix {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(31, 36, 33, 0.14);
  border-left: 0;
  border-top-right-radius: 999px;
  border-bottom-right-radius: 999px;
  background: rgba(23, 49, 58, 0.08);
  color: var(--surface-dark);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.88rem;
}

/* ===== Form Controls ===== */

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.field-wide {
  grid-column: span 2;
}

.field-full {
  grid-column: 1 / -1;
}

.checkbox-field {
  justify-content: space-between;
}

.field-inline {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 6px;
}

.checkbox-field input {
  width: auto;
  margin: 0;
}

.field span,
#domainHint {
  font-size: 0.88rem;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

input,
select {
  width: 100%;
  border: 1px solid rgba(31, 36, 33, 0.14);
  border-radius: 999px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid rgba(201, 95, 52, 0.28);
  border-color: rgba(201, 95, 52, 0.42);
}

/* ===== Buttons ===== */

.button,
.tab {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

.button {
  padding: 11px 18px;
  background: var(--accent);
  color: #fffaf5;
  font-family: var(--font-display);
  font-weight: 700;
  white-space: nowrap;
}

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

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.button-sm {
  padding: 8px 14px;
  font-size: 0.88rem;
}

.button-secondary {
  background: var(--surface-dark);
}

.button-danger {
  background: var(--danger);
}

.button-ghost {
  background: rgba(23, 49, 58, 0.08);
  color: var(--surface-dark);
}

/* ===== Registror Panel ===== */

.registror-panel {
  margin-bottom: 14px;
}

.registror-header {
  padding: 14px 18px;
}

.registror-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.registror-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.registror-body {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-top: 1px solid var(--line);
}

.registror-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.registror-grid {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 14px;
}

.registror-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  padding: 16px;
}

.registror-card h3 {
  margin: 0 0 10px;
  font: 700 1rem/1.1 var(--font-display);
}

.registror-card p {
  margin: 0;
}

.registror-card p + p {
  margin-top: 8px;
}

.registror-result,
.registror-log {
  min-height: 120px;
  max-height: 280px;
  padding: 16px;
  border-radius: var(--radius-sm);
}

.registror-log-card .content-block {
  margin-top: 12px;
}

/* ===== Workspace ===== */

#appContent {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(260px, 340px) minmax(380px, 1fr);
  gap: 14px;
  flex: 1;
  min-height: 0;
}

/* ===== Panels ===== */

.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.panel-header h2 {
  margin: 0;
  font: 700 1.1rem/1.2 var(--font-display);
}

.panel-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.panel-subtitle {
  margin: 0;
  font-size: 0.85rem;
}

/* ===== Search ===== */

.panel-search {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
}

.search-input:focus {
  outline: 2px solid rgba(201, 95, 52, 0.28);
  border-color: rgba(201, 95, 52, 0.42);
}

.search-input::placeholder {
  color: var(--muted);
}

/* ===== Lists ===== */

.list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.list-card {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background-color 160ms ease;
}

.list-card:hover {
  transform: translateY(-1px);
  border-color: rgba(201, 95, 52, 0.24);
}

.list-card.is-selected {
  border-color: rgba(201, 95, 52, 0.5);
  background: rgba(255, 244, 235, 0.96);
}

.list-card h3,
.list-card p {
  margin: 0;
}

.list-card h3 {
  font: 700 0.92rem/1.3 var(--font-display);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-card h3 + p {
  margin-top: 4px;
}

.list-card p + p {
  margin-top: 2px;
}

.list-meta {
  font-size: 0.84rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.list-card-top h3 {
  flex: 1;
  min-width: 0;
}

.list-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.icon-button {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(31, 36, 33, 0.1);
  border-radius: 999px;
  background: rgba(23, 49, 58, 0.06);
  color: var(--surface-dark);
  cursor: pointer;
  font-size: 0.82rem;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.icon-button:hover {
  transform: translateY(-1px);
  background: rgba(23, 49, 58, 0.12);
}

.icon-button.danger {
  color: var(--danger);
  background: rgba(173, 60, 47, 0.08);
}

.icon-button.danger:hover {
  background: rgba(173, 60, 47, 0.14);
  border-color: rgba(173, 60, 47, 0.22);
}

/* ===== Inbox Badge ===== */

.inbox-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(23, 49, 58, 0.1);
  color: var(--muted);
  font: 700 0.75rem/1 var(--font-display);
  flex-shrink: 0;
}

.inbox-badge.has-messages {
  background: rgba(201, 95, 52, 0.15);
  color: var(--accent-dark);
}

/* ===== Preview ===== */

.preview-header {
  align-items: center;
}

.tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(23, 49, 58, 0.08);
}

.tab {
  padding: 8px 12px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
}

.tab.is-active {
  background: var(--surface-dark);
  color: #f7f3ea;
}

.empty-state,
#previewContent {
  flex: 1;
  min-height: 0;
}

#previewContent {
  display: flex;
  flex-direction: column;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  color: var(--muted);
  text-align: center;
  gap: 8px;
}

.empty-icon {
  font-size: 1.8rem;
  opacity: 0.4;
}

.otp-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(201, 95, 52, 0.08);
  flex-shrink: 0;
}

.otp-copy {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.otp-label {
  color: var(--accent-dark);
  font: 700 0.85rem/1 var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.otp-value {
  font: 700 1.3rem/1 var(--font-display);
  color: var(--surface-dark);
  letter-spacing: 0.08em;
  word-break: break-all;
}

.content-block {
  margin: 0;
  padding: 20px;
  height: 100%;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(255, 255, 255, 0.5);
  font-size: 0.92rem;
}

.raw-view {
  font-size: 0.85rem;
}

.html-view {
  width: 100%;
  height: 100%;
  border: 0;
  background: white;
}

/* ===== Muted ===== */

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

/* ===== Animation ===== */

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

/* ===== Responsive: Tablet ===== */

@media (max-width: 1280px) {
  .settings-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .registror-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .workspace {
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
  }

  .panel-preview {
    grid-column: 1 / -1;
    min-height: 40vh;
  }
}

/* ===== Responsive: Mobile ===== */

@media (max-width: 760px) {
  .app-shell {
    width: calc(100vw - 12px);
    margin: 6px auto;
    padding: 14px;
    border-radius: 22px;
    min-height: auto;
  }

  .hero,
  .hero-actions,
  .preview-controls,
  .registror-actions,
  .settings-header,
  .panel-header {
    flex-direction: column;
    align-items: start;
  }

  .toolbar-row,
  .toolbar-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-controls {
    margin-left: 0;
  }

  .toolbar-actions {
    width: 100%;
  }

  .toolbar-actions .button {
    flex: 1;
  }

  .create-form {
    flex-direction: column;
    align-items: stretch;
  }

  .workspace,
  .registror-form,
  .registror-grid,
  .login-form,
  .settings-form {
    grid-template-columns: 1fr;
  }

  .panel-inboxes,
  .panel-messages {
    min-height: 260px;
    max-height: 50vh;
  }

  .panel-preview {
    min-height: 300px;
  }

  .field-wide {
    grid-column: auto;
  }

  .field-full {
    grid-column: auto;
  }

  .prefix-input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .prefix-input-group input {
    border-radius: 999px;
  }

  .domain-suffix {
    border-left: 1px solid rgba(31, 36, 33, 0.14);
    border-radius: 999px;
    justify-content: center;
  }

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

  .field-inline {
    width: 100%;
  }

  .panel-header .button {
    width: 100%;
  }

  .registror-header-right {
    width: 100%;
    justify-content: space-between;
  }

  .list-card-top {
    align-items: center;
  }

  .tabs {
    width: 100%;
    justify-content: space-between;
  }

  .otp-bar,
  .otp-copy {
    flex-direction: column;
    align-items: start;
  }
}