:root {
  --bg-top: #f6f2e8;
  --bg-bottom: #f2f8ff;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-border: rgba(12, 34, 62, 0.12);
  --text: #1a2433;
  --muted: #5b6776;
  --accent: #0d5d8a;
  --accent-strong: #063f60;
  --ok: #1f7a4b;
  --warn: #b16a00;
  --down: #b21f3a;
  --pending: #6a4cb2;
  --none: #7a8394;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
  min-height: 100vh;
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem;
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  color: var(--muted);
}

h1 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.4rem, 2vw + 1rem, 2.25rem);
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 28rem;
  text-align: right;
}

.flash {
  border-radius: 0.7rem;
  padding: 0.75rem 0.95rem;
  margin-bottom: 0.75rem;
  border: 1px solid transparent;
}

.flash-success {
  background: #e8f9ee;
  border-color: #b7e9c7;
}

.flash-error {
  background: #feecef;
  border-color: #f3bdc7;
}

.dashboard {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1rem;
  box-shadow: 0 12px 32px rgba(12, 34, 62, 0.08);
  padding: 1rem;
}

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

.dashboard-topbar h2 {
  margin: 0;
}

.dashboard-topbar p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.meta {
  margin: 0;
  white-space: nowrap;
}

.client-feedback {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.6rem;
  background: #eef4ff;
  border: 1px solid #c7d8ff;
  color: #1f3e7a;
}

.table-wrap {
  overflow-x: auto;
}

.worker-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

.worker-table th,
.worker-table td {
  padding: 0.72rem;
  border-bottom: 1px solid rgba(12, 34, 62, 0.08);
  vertical-align: middle;
}

.worker-table th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-align: left;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.small {
  font-size: 0.82rem;
}

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

.strong {
  font-weight: 700;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 0.28rem 0.66rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.admin-status {
  background: #edf0f3;
  color: #334155;
}

.runtime-online {
  background: #d9f8e7;
  color: var(--ok);
}

.runtime-degraded {
  background: #fff2de;
  color: var(--warn);
}

.runtime-offline {
  background: #ffe2e8;
  color: var(--down);
}

.deploy-success {
  background: #dcf6ea;
  color: var(--ok);
}

.deploy-failed,
.deploy-rollback {
  background: #ffe0e6;
  color: var(--down);
}

.deploy-pending,
.deploy-installing,
.deploy-verifying {
  background: #eee6ff;
  color: var(--pending);
}

.deploy-none {
  background: #eef1f4;
  color: var(--none);
}

.deploy-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.version-input {
  width: 8.5rem;
  border: 1px solid #ccd5df;
  border-radius: 0.5rem;
  padding: 0.42rem 0.55rem;
  font: inherit;
  background: #ffffff;
}

.version-input:focus,
.deploy-button:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.deploy-button {
  border: 0;
  border-radius: 0.55rem;
  padding: 0.5rem 0.82rem;
  font: inherit;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  cursor: pointer;
  white-space: nowrap;
}

.deploy-button[disabled] {
  opacity: 0.68;
  cursor: not-allowed;
}

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

.mono {
  font-family: "JetBrains Mono", "Cascadia Mono", "Consolas", monospace;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 860px) {
  .app-shell {
    padding: 0.75rem;
  }

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

  .subtitle {
    text-align: left;
  }

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

.app-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.app-nav a {
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.55rem;
  color: #1f3146;
  border: 1px solid rgba(12, 34, 62, 0.12);
  background: rgba(255, 255, 255, 0.65);
  font-weight: 600;
}

.app-nav a.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(12, 34, 62, 0.1);
  border-radius: 0.9rem;
  padding: 1rem;
  box-shadow: 0 10px 25px rgba(12, 34, 62, 0.06);
}

.email-page {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.email-search-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.email-search-input {
  width: 100%;
  border: 1px solid #c8d2dd;
  border-radius: 0.55rem;
  padding: 0.58rem 0.65rem;
  font: inherit;
  background: #ffffff;
}

.email-search-range {
  border: 1px solid rgba(12, 34, 62, 0.14);
  border-radius: 0.72rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(245, 249, 253, 0.95));
  padding: 0.7rem 0.75rem;
}

.email-search-range-label {
  margin: 0 0 0.55rem;
  font-size: 0.88rem;
  color: #2b3f57;
}

.email-search-range-slider {
  position: relative;
  height: 1.9rem;
}

.email-search-range-track {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 0.42rem;
  border-radius: 999px;
  background: #d9e3ec;
  overflow: hidden;
}

.email-search-range-track-active {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #0d5d8a, #2f8f67);
}

.email-search-range-input {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  margin: 0;
  background: transparent;
  pointer-events: none;
}

.email-search-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #0d5d8a;
  box-shadow: 0 1px 6px rgba(11, 31, 56, 0.22);
  pointer-events: auto;
  cursor: pointer;
}

.email-search-range-input::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #0d5d8a;
  box-shadow: 0 1px 6px rgba(11, 31, 56, 0.22);
  pointer-events: auto;
  cursor: pointer;
}

.email-search-range-input::-webkit-slider-runnable-track {
  height: 0.42rem;
  background: transparent;
}

.email-search-range-input::-moz-range-track {
  height: 0.42rem;
  background: transparent;
}

.email-search-range-input-start {
  z-index: 2;
}

.email-search-range-input-end {
  z-index: 3;
}

.email-search-range-bounds {
  margin-top: 0.35rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.email-search-range-bound {
  font-size: 0.8rem;
  color: #5b6776;
}

.email-search-results {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.email-search-result {
  border: 1px solid rgba(12, 34, 62, 0.12);
  border-radius: 0.65rem;
  padding: 0.6rem 0.7rem;
  background: rgba(255, 255, 255, 0.9);
}

.email-search-result h3 {
  margin: 0;
  font-size: 0.98rem;
}

.email-search-result p {
  margin: 0.25rem 0 0;
}

.email-attachment-panel {
  margin-top: 1rem;
  border-top: 1px solid rgba(12, 34, 62, 0.1);
  padding-top: 0.85rem;
}

.email-attachment-panel h3 {
  margin: 0;
}

.email-attachment-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.email-attachment-item {
  border: 1px solid rgba(12, 34, 62, 0.12);
  border-radius: 0.6rem;
  padding: 0.5rem 0.6rem;
  background: #ffffff;
}

.email-attachment-item h4 {
  margin: 0;
  font-size: 0.92rem;
}

.email-attachment-item p {
  margin: 0.3rem 0 0.45rem;
}


.email-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1rem;
}

.email-tree {
  min-height: 220px;
}

.email-tree-root,
.email-tree-children {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.email-tree-children {
  padding-left: 1rem;
  margin-top: 0.4rem;
}

.email-tree-branch + .email-tree-branch {
  margin-top: 0.45rem;
}

.email-tree-toggle {
  border: 1px solid rgba(12, 34, 62, 0.16);
  background: #ffffff;
  border-radius: 0.5rem;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.email-tree-account {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  border: 1px solid rgba(12, 34, 62, 0.1);
  border-radius: 0.45rem;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.35rem;
}

.email-tree-label {
  font-family: "JetBrains Mono", "Cascadia Mono", "Consolas", monospace;
  font-size: 0.82rem;
}

.tree-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ghost-button {
  border: 1px solid rgba(12, 34, 62, 0.2);
  background: #ffffff;
  border-radius: 0.45rem;
  padding: 0.35rem 0.6rem;
  font: inherit;
  cursor: pointer;
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
}

.form-grid input,
.form-grid select {
  border: 1px solid #c8d2dd;
  border-radius: 0.45rem;
  padding: 0.42rem 0.5rem;
  font: inherit;
  background: #ffffff;
}

.checkbox-label {
  flex-direction: row !important;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.45rem;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.primary-button {
  border: 0;
  border-radius: 0.55rem;
  padding: 0.5rem 0.85rem;
  color: #ffffff;
  font-weight: 700;
  font: inherit;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  cursor: pointer;
}

.ghost-link {
  text-decoration: none;
  color: #1e4367;
  font-weight: 600;
}

.form-errors {
  border: 1px solid #f2b9c3;
  background: #ffe9ee;
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
}

.form-errors p {
  margin: 0 0 0.45rem;
  font-weight: 700;
}

.form-errors ul {
  margin: 0;
  padding-left: 1.15rem;
}

.email-list-card {
  overflow: hidden;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.inline-form {
  margin: 0;
}

.danger-button {
  border: 1px solid #c23b52;
  color: #9b1732;
  background: #ffe4ea;
  border-radius: 0.45rem;
  padding: 0.3rem 0.55rem;
  font: inherit;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .email-grid {
    grid-template-columns: 1fr;
  }
}

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

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