:root {
  color-scheme: light;
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-soft: #eef2f8;
  --line: #dbe2ee;
  --text: #17233d;
  --muted: #66738e;
  --blue: #315bd8;
  --blue-soft: #e8eeff;
  --green: #0b9b72;
  --green-soft: #e4f7f0;
  --red: #c94455;
  --shadow: 0 14px 38px rgba(39, 59, 101, .10);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0;
}

button, input, select { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }

.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;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 19px;
  font-weight: 750;
  text-decoration: none;
}

.brand b { color: var(--blue); }

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--blue);
  box-shadow: 0 7px 18px rgba(49, 91, 216, .24);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  top: 12px;
  width: 19px;
  height: 2px;
  background: #fff;
  content: "";
}

.brand-mark::before { left: 3px; transform: rotate(35deg); }
.brand-mark::after { right: 3px; transform: rotate(-35deg); }
.brand-mark span { width: 24px; height: 17px; border: 2px solid #fff; border-radius: 3px; }

.topbar-actions { display: flex; align-items: center; gap: 18px; }

.service-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.service-status i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft);
}

.app-shell { width: min(1440px, calc(100% - 40px)); margin: 26px auto 46px; }

.section-tabs {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #e8edf5;
}

.access-gate {
  display: grid;
  min-height: calc(100vh - 68px);
  place-items: center;
  padding: 36px 20px;
}

.access-card {
  width: min(440px, 100%);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 64px rgba(39, 59, 101, .16);
}

.access-brand { display: flex; justify-content: center; margin-bottom: 22px; }
.access-state { text-align: center; }
.access-state h1 { margin: 7px 0 8px; font-size: 27px; line-height: 1.2; }
.access-state > p:not(.eyebrow) { margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.access-form { margin-top: 22px; text-align: left; }
.access-form .primary-button { justify-self: stretch; width: 100%; }
.admin-access-link { display: inline-flex; margin-top: 20px; color: var(--blue); font-size: 12px; font-weight: 720; text-decoration: none; }
.admin-access-link:hover { text-decoration: underline; }
.access-divider { display: flex; align-items: center; gap: 12px; margin: 18px 0 14px; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.access-divider::before, .access-divider::after { height: 1px; flex: 1; background: var(--line); content: ""; }
.guest-access-button { display: inline-flex; align-items: center; justify-content: center; width: 100%; min-height: 42px; border: 1px solid #bfcbe7; border-radius: 7px; background: var(--blue-soft); color: var(--blue); font-size: 13px; font-weight: 750; text-decoration: none; }
.guest-access-button:hover { border-color: var(--blue); background: #e1e8ff; }
.guest-access-note { margin: 9px 0 0 !important; font-size: 11px !important; }
.access-spinner { display: inline-block; width: 36px; height: 36px; border: 3px solid var(--blue-soft); border-top-color: var(--blue); border-radius: 50%; animation: access-spin .8s linear infinite; }
@keyframes access-spin { to { transform: rotate(360deg); } }

.section-tabs button {
  height: 38px;
  padding: 0 18px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.section-tabs button.is-active { background: var(--surface); color: var(--blue); box-shadow: 0 3px 10px rgba(39, 59, 101, .10); }

.fatal-notice {
  margin-bottom: 16px;
  padding: 13px 16px;
  border: 1px solid #efb6bf;
  border-radius: 7px;
  background: #fff0f2;
  color: #9f2737;
  font-weight: 650;
}

.address-bar {
  display: grid;
  grid-template-columns: minmax(210px, .65fr) minmax(540px, 1.35fr);
  gap: 30px;
  align-items: center;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow { margin: 0 0 5px; color: #7b89a7; font-size: 11px; font-weight: 800; text-transform: uppercase; }
h1, h2, h3, p { letter-spacing: 0; }
h1 { margin: 0; font-size: 23px; line-height: 1.25; }
h2 { margin: 0; font-size: 20px; }
h3 { margin: 0; font-size: 17px; }

.address-form {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto minmax(170px, .8fr) auto 44px;
  gap: 9px;
  align-items: center;
}

.address-form input,
.address-form select {
  min-width: 0;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: #f9fbfe;
  color: var(--text);
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.address-form input { padding: 0 13px; }
.address-form select { padding: 0 34px 0 12px; }
.address-form input:focus, .address-form select:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px var(--blue-soft); }
.at-sign { color: var(--muted); font-weight: 750; }

.primary-button,
.secondary-button,
.danger-button,
.small-button,
.icon-button {
  height: 42px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 750;
}

.primary-button { height: 46px; padding: 0 18px; border: 1px solid var(--blue); background: var(--blue); color: #fff; box-shadow: 0 7px 16px rgba(49, 91, 216, .20); }
.primary-button:hover { background: #274fc9; }
.icon-button { width: 44px; height: 46px; border: 1px solid var(--line); background: var(--surface-soft); color: var(--blue); font-size: 20px; }
.secondary-button { padding: 0 15px; border: 1px solid #bfcbe7; background: var(--blue-soft); color: var(--blue); }
.danger-button { padding: 0 15px; border: 1px solid #efc1c7; background: #fff5f6; color: var(--red); }
.small-button { height: 34px; padding: 0 12px; border: 1px solid var(--line); background: var(--surface-soft); color: var(--blue); }

.form-hint { grid-column: 2; margin: -12px 0 0; color: var(--muted); font-size: 12px; }

.workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 610px;
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mailbox-panel { display: flex; flex-direction: column; padding: 22px; border-right: 1px solid var(--line); background: #f8fafd; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.panel-heading strong { display: block; max-width: 185px; overflow: hidden; color: var(--text); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }

.expiry-row { display: flex; justify-content: space-between; margin-top: 18px; padding: 11px 12px; border-radius: 7px; background: var(--green-soft); color: #25745e; font-size: 12px; }
.expiry-row strong { font-variant-numeric: tabular-nums; }

.mailbox-nav { min-height: 0; margin-top: 25px; }
.nav-title { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; }
.text-button { border: 0; background: transparent; color: var(--blue); font-size: 11px; font-weight: 750; }
.mailbox-list {
  display: grid;
  gap: 7px;
  max-height: 563px;
  margin-top: 10px;
  padding-right: 4px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.mailbox-item {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 50px;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.mailbox-item:hover { background: var(--surface-soft); }
.mailbox-item.is-active { border-color: #c8d4f4; background: var(--blue-soft); color: #2348b5; }
.mailbox-avatar { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 7px; background: #dfe7f6; color: var(--blue); font-weight: 800; }
.mailbox-item strong, .mailbox-item small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mailbox-item strong { font-size: 12px; }
.mailbox-item small { color: var(--muted); font-size: 10px; }

.privacy-note { margin-top: auto; padding: 13px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); }
.privacy-note strong { color: var(--green); font-size: 12px; }
.privacy-note p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }

.inbox-panel { min-width: 0; }
.inbox-toolbar { display: flex; align-items: center; justify-content: space-between; min-height: 84px; padding: 17px 22px; border-bottom: 1px solid var(--line); }
.toolbar-actions { display: flex; align-items: center; gap: 9px; }
.last-updated { color: var(--muted); font-size: 11px; }

.empty-state { display: grid; justify-items: center; align-content: center; min-height: 500px; padding: 50px 20px; text-align: center; }
.empty-state p { max-width: 460px; margin: 8px 0 0; color: var(--muted); }
.empty-icon { position: relative; width: 76px; height: 56px; margin-bottom: 22px; border: 2px solid #afbad0; border-radius: 7px; }
.empty-icon::before, .empty-icon::after { position: absolute; top: 17px; width: 44px; height: 2px; background: #afbad0; content: ""; }
.empty-icon::before { left: -2px; transform: rotate(32deg); }
.empty-icon::after { right: -2px; transform: rotate(-32deg); }

.message-layout { display: grid; grid-template-columns: minmax(330px, 40%) minmax(0, 60%); height: 525px; }
.message-list { overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; border-right: 1px solid var(--line); }
.message-row { width: 100%; min-height: 105px; padding: 15px 17px; border: 0; border-bottom: 1px solid var(--line); background: #fff; color: var(--text); text-align: left; }
.message-row:hover, .message-row.is-active { background: #f1f5ff; }
.message-row.is-active { box-shadow: inset 3px 0 var(--blue); }
.message-row-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.message-row-head strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.message-row time { flex: 0 0 auto; color: var(--muted); font-size: 10px; }
.message-subject { margin: 5px 0 2px; overflow: hidden; font-size: 13px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.message-preview { margin: 0; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.message-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 7px; }
.tag { padding: 2px 6px; border-radius: 5px; background: var(--surface-soft); color: var(--muted); font-size: 9px; font-weight: 750; text-transform: uppercase; }
.tag.otp { background: var(--green-soft); color: var(--green); }
.message-otp { display: inline-flex; align-items: center; gap: 7px; padding: 4px 8px; border: 1px solid #a8ddca; border-radius: 6px; background: var(--green-soft); color: #287860; }
.message-otp span { font-size: 9px; font-weight: 750; text-transform: uppercase; }
.message-otp strong { color: #087254; font-size: 14px; font-variant-numeric: tabular-nums; letter-spacing: .04em; }

.message-view { min-width: 0; overflow-y: auto; background: #fbfcfe; }
.message-placeholder { display: grid; place-items: center; min-height: 100%; color: var(--muted); }
.message-content { padding: 24px; }
.message-content h3 { margin: 0; font-size: 20px; line-height: 1.35; }
.message-meta { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 6px 12px; margin: 18px 0; padding-bottom: 18px; border-bottom: 1px solid var(--line); font-size: 12px; }
.message-meta span { color: var(--muted); }
.message-meta strong { overflow-wrap: anywhere; }
.otp-block { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 0 0 18px; padding: 13px 15px; border: 1px solid #bce7d8; border-radius: 7px; background: var(--green-soft); }
.otp-block span { color: #287860; font-size: 12px; font-weight: 700; }
.otp-block strong { color: #086e50; font-size: 24px; font-variant-numeric: tabular-nums; }
.otp-block button { height: 32px; border: 1px solid #86cfb9; border-radius: 6px; background: #fff; color: #087254; font-size: 11px; font-weight: 750; }
.message-body { margin: 0; overflow-wrap: anywhere; color: #27344e; font: 14px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; }

.api-view { display: grid; gap: 20px; }

.api-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.api-heading > p { max-width: 650px; margin: 0; color: var(--muted); font-size: 13px; }
.api-tools-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

.api-tool-panel,
.api-docs {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.api-tool-panel { min-width: 0; padding: 24px; }
.api-panel-title { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.api-panel-title p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }

.step-number {
  display: grid;
  flex: 0 0 30px;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.api-form { display: grid; gap: 8px; }
.api-form label { color: #52617d; font-size: 11px; font-weight: 750; text-transform: uppercase; }
.api-form input,
.api-form select {
  width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: #f9fbfe;
  color: var(--text);
}

.api-form input:focus, .api-form select:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px var(--blue-soft); }
.api-form .primary-button { justify-self: start; min-width: 180px; margin-top: 6px; }
#api-local-group { display: grid; gap: 8px; }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.api-result,
.otp-result {
  margin-top: 18px;
  padding: 15px;
  border: 1px solid #bce7d8;
  border-radius: 7px;
  background: var(--green-soft);
}

.api-result > span, .otp-result > span { color: #287860; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.result-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 11px; }
.result-line:last-child { margin-bottom: 0; }
.result-line strong, .result-line code { min-width: 0; overflow: hidden; color: #086e50; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.otp-result { text-align: center; }
.otp-result strong { display: block; margin-top: 4px; color: #086e50; font-size: 30px; font-variant-numeric: tabular-nums; }
.otp-result p { margin: 3px 0 0; color: #287860; font-size: 12px; }
.otp-result.is-empty { border-color: #e4d2a9; background: #fff9e8; }
.otp-result.is-empty span, .otp-result.is-empty strong, .otp-result.is-empty p { color: #8b6b21; }

.api-docs { padding: 24px; }
.api-docs-heading { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.api-docs-subtitle { max-width: 680px; margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.base-url { display: flex; align-items: center; gap: 10px; min-width: 0; }
.base-url span { color: var(--muted); font-size: 11px; font-weight: 750; text-transform: uppercase; }
.base-url code { overflow: hidden; color: var(--blue); font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.api-setup-flow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.api-guide-step { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; gap: 12px; align-items: start; padding: 18px 0; }
.api-guide-step + .api-guide-step { padding-left: 20px; border-left: 1px solid var(--line); }
.guide-number { display: inline-grid; place-items: center; min-width: 30px; height: 30px; padding: 0 6px; border-radius: 6px; background: var(--blue-soft); color: var(--blue); font-size: 11px; font-weight: 850; font-variant-numeric: tabular-nums; }
.api-guide-step h3, .api-endpoint-guide h3, .api-errors h3 { margin: 1px 0 4px; color: var(--text); font-size: 15px; }
.api-guide-step p, .api-endpoint-guide header p, .api-errors-heading p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.api-inline-code { display: flex; grid-column: 2 / -1; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; padding: 9px 10px; border: 1px solid #cfd9ee; border-radius: 6px; background: #f6f8fc; }
.api-inline-code code { min-width: 0; overflow: hidden; color: var(--text); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.api-auth-alternative { grid-column: 2 / -1; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.api-endpoint-guides { display: grid; gap: 0; }
.api-endpoint-guide { min-width: 0; padding: 22px 0; border-bottom: 1px solid var(--line); }
.api-endpoint-guide:last-child { border-bottom: 0; }
.api-endpoint-guide header { display: grid; gap: 7px; margin-bottom: 13px; }
.endpoint-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.endpoint-title > code { min-width: 0; overflow-wrap: anywhere; color: var(--text); font-size: 13px; font-weight: 750; }
.api-code-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.api-code-block { min-width: 0; overflow: hidden; border: 1px solid #d5deef; border-radius: 7px; background: #f7f9fd; }
.api-code-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 42px; padding: 7px 10px; border-bottom: 1px solid #d5deef; background: #eef3fb; }
.api-code-toolbar > span { color: #5d6d88; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.api-code-block pre { max-width: 100%; margin: 0; overflow-x: auto; }
.api-code-block pre code { display: block; min-width: max-content; padding: 14px; color: #243554; font: 11.5px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre; }
.api-code-block [data-api-origin] { color: #245edb; }
.api-code-note { margin: 0; padding: 10px 14px 13px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.api-direct-url { display: grid; grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr); gap: 14px; align-items: center; margin-top: 12px; padding: 12px; border: 1px solid #cbd7ee; border-radius: 7px; background: #f4f7fd; }
.api-direct-url strong { color: var(--blue); font-size: 12px; }
.api-direct-url p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.api-direct-url-value { display: flex; align-items: center; gap: 10px; min-width: 0; }
.api-direct-url-value code { min-width: 0; overflow-x: auto; padding: 8px 9px; border: 1px solid #d8e0f0; border-radius: 5px; background: #fff; color: #243554; font: 10.5px/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: nowrap; }
.api-direct-url-value [data-api-origin] { color: #245edb; }
.api-direct-url-value .small-button { flex: 0 0 auto; }
.api-null-note { margin: 12px 0 0; padding: 10px 12px; border-left: 3px solid #ddb23d; background: #fffaeb; color: #705b23; font-size: 12px; line-height: 1.55; }
.api-docs-footer { display: grid; grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr); gap: 20px; padding-top: 22px; border-top: 1px solid var(--line); }
.api-security-note { padding: 16px; border: 1px solid #e7d9a9; border-radius: 7px; background: #fffaf0; }
.api-security-note strong { color: #6f571e; font-size: 13px; }
.api-security-note p { margin: 7px 0 0; color: #7e6b3d; font-size: 12px; line-height: 1.6; }
.api-security-note .api-query-warning { margin-top: 12px; padding-top: 12px; border-top: 1px solid #eadcad; color: #8a4d32; }
.api-errors { min-width: 0; }
.api-errors-heading { margin-bottom: 10px; }
.api-error-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 7px; }
.api-error-table { width: 100%; border-collapse: collapse; background: #fff; font-size: 11px; }
.api-error-table th, .api-error-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.api-error-table tr:last-child td { border-bottom: 0; }
.api-error-table th { background: #f3f6fb; color: #5a6a86; font-size: 9px; text-transform: uppercase; }
.api-error-table td:first-child { color: var(--blue); font-weight: 800; font-variant-numeric: tabular-nums; }
.api-error-table td:last-child { min-width: 230px; color: var(--muted); line-height: 1.45; }
.api-error-table code { color: var(--text); font-size: 10px; }
.endpoint-list { display: grid; gap: 0; margin-top: 18px; border-top: 1px solid var(--line); }
.endpoint-item { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 14px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.endpoint-item:last-child { border-bottom: 0; padding-bottom: 0; }
.endpoint-item code { overflow-wrap: anywhere; color: var(--text); font-size: 13px; font-weight: 700; }
.endpoint-item p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.method { display: inline-grid; place-items: center; height: 25px; border-radius: 5px; font-size: 10px; font-weight: 850; }
.method.post { background: var(--blue-soft); color: var(--blue); }
.method.get { background: var(--green-soft); color: var(--green); }

.account-view { display: grid; gap: 20px; }
.account-auth-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.account-member { display: grid; gap: 18px; }
.account-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.account-summary h2 { margin: 5px 0 2px; color: var(--text); font-size: 21px; }
.account-summary p { margin: 0; color: var(--muted); font-size: 13px; }
.account-stats { display: grid; grid-template-columns: repeat(2, 120px); gap: 10px; }
.account-stats span { display: grid; gap: 2px; padding: 12px; border: 1px solid var(--line); border-radius: 7px; background: #f7f9fd; }
.account-stats strong { color: var(--blue); font-size: 20px; }
.account-stats small { color: var(--muted); font-size: 10px; text-transform: uppercase; }
.account-permission-list { display: flex; grid-column: 1 / -1; grid-row: 2; flex-wrap: wrap; gap: 7px; padding-top: 4px; }
.account-permission-list span { display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px; border: 1px solid #cdd8f8; border-radius: 5px; background: var(--blue-soft); color: var(--blue); font-size: 10px; font-weight: 720; }
.account-actions { display: flex; grid-column: 3; grid-row: 1; gap: 8px; align-items: center; justify-content: flex-end; }
.account-actions .secondary-button { display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; text-decoration: none; }
.key-manager { display: grid; gap: 18px; }
.key-limit-note { margin: 0; padding: 12px 14px; border: 1px solid #cdd8f8; border-radius: 7px; background: var(--blue-soft); color: #35528f; font-size: 12px; line-height: 1.5; }
.key-create-form { display: grid; grid-template-columns: minmax(180px, .8fr) minmax(320px, 1.6fr) auto; gap: 18px; align-items: end; }
.key-create-form > div { display: grid; gap: 8px; }
.key-create-form label, .key-create-form legend { color: var(--muted); font-size: 11px; font-weight: 750; text-transform: uppercase; }
.key-create-form input[type="text"] { width: 100%; height: 44px; padding: 0 13px; border: 1px solid var(--line); border-radius: 7px; background: #f9fbfe; color: var(--text); }
.key-create-form fieldset { display: flex; min-height: 44px; gap: 14px; align-items: center; margin: 0; padding: 10px 13px; border: 1px solid var(--line); border-radius: 7px; }
.key-create-form fieldset label { display: flex; gap: 6px; align-items: center; color: var(--text); font-size: 11px; text-transform: none; }
.api-key-secret { padding: 15px; border: 1px solid #e6d590; border-radius: 7px; background: #fff9df; }
.api-key-secret > strong { color: #73580c; font-size: 12px; }
.api-key-secret code { white-space: normal; overflow-wrap: anywhere; }
.api-key-list { display: grid; gap: 14px; margin-top: 16px; }
.api-key-card { display: grid; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-soft); }
.api-key-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.api-key-card-header > div:not(.api-key-actions) { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; min-width: 0; }
.api-key-card-header strong { overflow-wrap: anywhere; }
.api-key-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.key-status { display: inline-flex; align-items: center; min-height: 23px; padding: 0 8px; border: 1px solid #b9e5d5; border-radius: 5px; background: var(--green-soft); color: var(--green); font-size: 10px; font-weight: 750; text-transform: uppercase; }
.key-token-line { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; align-items: center; }
.key-token-line small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; font-weight: 750; text-transform: uppercase; }
.key-token-line code { min-width: 0; padding: 11px 13px; border: 1px solid #cdd8f8; border-radius: 7px; background: #f7f9fd; color: var(--blue); font-size: 12px; overflow-wrap: anywhere; user-select: all; }
.key-token-line p { grid-column: 1 / -1; margin: 0; color: #8a6512; font-size: 11px; line-height: 1.5; }
.key-token-line.is-unavailable code { color: var(--muted); }
.key-scope-list { display: flex; flex-wrap: wrap; gap: 7px; }
.key-scope-list span { display: inline-flex; align-items: center; min-height: 26px; padding: 0 9px; border: 1px solid #cdd8f8; border-radius: 5px; background: var(--blue-soft); color: var(--blue); font-size: 10px; font-weight: 700; }
.key-detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0; }
.key-detail-grid > div { min-width: 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.key-detail-grid dt { color: var(--muted); font-size: 10px; font-weight: 720; text-transform: uppercase; }
.key-detail-grid dd { margin: 5px 0 0; color: var(--text); font-size: 12px; overflow-wrap: anywhere; }
.compact-button { min-height: 34px; padding: 0 12px; }
.key-empty { margin: 0; padding: 18px 0 0; color: var(--muted); font-size: 13px; }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: min(360px, calc(100vw - 44px)); padding: 12px 15px; border-radius: 7px; background: #17233d; color: #fff; box-shadow: 0 14px 32px rgba(23, 35, 61, .25); opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .16s ease, transform .16s ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast.is-error { background: #a73041; }

@media (max-width: 980px) {
  .address-bar { grid-template-columns: 1fr; }
  .form-hint { grid-column: 1; margin-top: -18px; }
  .workspace { grid-template-columns: 250px minmax(0, 1fr); }
  .message-layout { grid-template-columns: 1fr; height: auto; }
  .message-list { max-height: 360px; border-right: 0; border-bottom: 1px solid var(--line); }
  .message-view { min-height: 390px; }
  .api-tools-grid { grid-template-columns: 1fr; }
  .account-auth-grid { grid-template-columns: 1fr; }
  .account-summary { grid-template-columns: 1fr auto; }
  .account-actions { grid-column: 2; grid-row: 1; }
  .account-stats { grid-column: 1 / -1; }
  .key-create-form { grid-template-columns: 1fr; align-items: stretch; }
  .key-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .topbar { padding: 0 16px; }
  .service-status { display: none; }
  .app-shell { width: min(100% - 20px, 680px); margin-top: 12px; }
  .address-bar { padding: 19px; }
  .address-form { grid-template-columns: minmax(0, 1fr) auto; }
  .address-form input { grid-column: 1; }
  .at-sign { display: none; }
  .address-form select { grid-column: 2; }
  .primary-button { grid-column: 1; }
  .icon-button { grid-column: 2; }
  .workspace { display: block; }
  .mailbox-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .privacy-note { margin-top: 20px; }
  .inbox-toolbar { align-items: flex-start; gap: 16px; }
  .toolbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .last-updated { width: 100%; text-align: right; }
  .api-heading, .api-docs-heading { align-items: flex-start; flex-direction: column; }
  .base-url { width: 100%; }
  .api-setup-flow { grid-template-columns: 1fr; }
  .api-guide-step + .api-guide-step { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .api-code-grid, .api-docs-footer { grid-template-columns: 1fr; }
  .api-direct-url { grid-template-columns: 1fr; }
  .account-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .brand { font-size: 16px; }
  .brand-mark { width: 34px; height: 34px; }
  .inbox-toolbar { display: block; }
  .toolbar-actions { justify-content: flex-start; margin-top: 14px; }
  .last-updated { text-align: left; }
  .message-content { padding: 18px; }
  .section-tabs { display: grid; width: 100%; grid-template-columns: 1fr; }
  .access-card { padding: 26px 20px; }
  .api-heading, .api-tool-panel, .api-docs { padding: 18px; }
  .api-form .primary-button { justify-self: stretch; width: 100%; }
  .result-line { align-items: stretch; flex-direction: column; }
  .result-line .small-button { align-self: flex-start; }
  .base-url { align-items: stretch; flex-wrap: wrap; }
  .base-url code { width: 100%; }
  .api-guide-step { grid-template-columns: 32px minmax(0, 1fr); }
  .api-guide-step > .small-button { grid-column: 2; justify-self: start; }
  .api-inline-code, .api-auth-alternative { grid-column: 1 / -1; }
  .api-inline-code { align-items: stretch; flex-direction: column; }
  .api-inline-code .small-button { align-self: flex-start; }
  .endpoint-title { align-items: flex-start; flex-wrap: wrap; }
  .api-code-block pre code { font-size: 11px; }
  .api-direct-url-value { align-items: stretch; flex-direction: column; }
  .api-direct-url-value code { width: 100%; }
  .api-direct-url-value .small-button { align-self: flex-start; }
  .account-summary { display: grid; grid-template-columns: 1fr; }
  .account-actions { grid-column: 1; grid-row: auto; flex-wrap: wrap; justify-content: flex-start; }
  .account-stats { grid-column: 1; }
  .key-create-form fieldset { align-items: flex-start; flex-direction: column; }
  .api-key-card { padding: 14px; }
  .api-key-card-header { align-items: stretch; flex-direction: column; }
  .api-key-actions { align-items: stretch; flex-direction: column; }
  .api-key-actions .compact-button { align-self: stretch; }
  .key-detail-grid { grid-template-columns: 1fr; }
  .key-token-line { grid-template-columns: 1fr; }
  .key-token-line .small-button { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}