/* Keshio API — Signal Ledger
   Distinct from marketing (landing.css) and admin (admin.css). */

:root {
  --api-bg: #f4f6f5;
  --api-bg-deep: #e8ecea;
  --api-surface: #ffffff;
  --api-surface-2: #f0f3f1;
  --api-ink: #121816;
  --api-muted: #5c6b64;
  --api-line: rgba(18, 24, 22, 0.1);
  --api-line-strong: rgba(18, 24, 22, 0.18);
  --api-copper: #b86a3c;
  --api-copper-soft: rgba(184, 106, 60, 0.14);
  --api-signal: #1f9a6a;
  --api-signal-soft: rgba(31, 154, 106, 0.12);
  --api-danger: #a33b3b;
  --api-danger-soft: rgba(163, 59, 59, 0.12);
  --api-ok: #1f9a6a;
  --api-warn: #b8860b;
  --api-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --api-sans: "Poppins", system-ui, sans-serif;
  --api-display: "Poppins", system-ui, sans-serif;
  --api-radius: 14px;
  --api-radius-lg: 22px;
  --api-max: 1120px;
  --api-rail: 220px;
  --api-shadow: 0 18px 50px rgba(12, 18, 16, 0.08);
  --api-hero-glow-a: rgba(184, 106, 60, 0.18);
  --api-hero-glow-b: rgba(31, 154, 106, 0.16);
  --api-grid: rgba(18, 24, 22, 0.045);
  --api-pulse: #1f9a6a;
}

html[data-theme="dark"] {
  --api-bg: #0b0f0e;
  --api-bg-deep: #070a09;
  --api-surface: #121816;
  --api-surface-2: #18201c;
  --api-ink: #e8efeb;
  --api-muted: #8fa098;
  --api-line: rgba(232, 239, 235, 0.08);
  --api-line-strong: rgba(232, 239, 235, 0.16);
  --api-copper: #d4895a;
  --api-copper-soft: rgba(212, 137, 90, 0.16);
  --api-signal: #3dba8a;
  --api-signal-soft: rgba(61, 186, 138, 0.14);
  --api-danger: #e07070;
  --api-danger-soft: rgba(224, 112, 112, 0.14);
  --api-ok: #3dba8a;
  --api-warn: #e0b84a;
  --api-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  --api-hero-glow-a: rgba(212, 137, 90, 0.22);
  --api-hero-glow-b: rgba(61, 186, 138, 0.18);
  --api-grid: rgba(232, 239, 235, 0.035);
  --api-pulse: #3dba8a;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.page-api {
  margin: 0;
  min-height: 100vh;
  font-family: var(--api-sans);
  color: var(--api-ink);
  background:
    radial-gradient(900px 480px at 88% -8%, var(--api-hero-glow-a), transparent 55%),
    radial-gradient(700px 420px at -10% 30%, var(--api-hero-glow-b), transparent 50%),
    linear-gradient(180deg, var(--api-bg) 0%, var(--api-bg-deep) 100%);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.page-api a {
  color: inherit;
  text-decoration: none;
}

body.page-api code,
body.page-api .mono {
  font-family: var(--api-mono);
  font-size: 0.86em;
}

.api-skip {
  position: absolute;
  left: -9999px;
}
.api-skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--api-surface);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

/* —— Top bar —— */
.api-top {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--api-bg) 82%, transparent);
  border-bottom: 1px solid var(--api-line);
}

.api-top__inner {
  max-width: var(--api-max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.api-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--api-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.api-brand__mark {
  width: 28px;
  height: 28px;
  display: block;
}

.api-brand__api {
  color: var(--api-copper);
  font-weight: 800;
}

.api-top__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.api-top__email {
  font-size: 0.85rem;
  color: var(--api-muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.api-top__link {
  font-size: 0.9rem;
  color: var(--api-muted);
  transition: color 0.2s ease;
}
.api-top__link:hover {
  color: var(--api-ink);
}

/* —— Buttons —— */
.api-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--api-sans);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.15rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.api-btn:hover {
  transform: translateY(-1px);
}
.api-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}
.api-btn--primary {
  background: var(--api-signal);
  color: #04140e;
}
.api-btn--primary:hover {
  filter: brightness(1.06);
}
.api-btn--copper {
  background: var(--api-copper);
  color: #1a0d06;
}
.api-btn--ghost {
  background: transparent;
  border-color: var(--api-line-strong);
  color: var(--api-ink);
}
.api-btn--ghost:hover {
  border-color: var(--api-copper);
  color: var(--api-copper);
}
.api-btn--danger {
  background: var(--api-danger-soft);
  color: var(--api-danger);
  border-color: transparent;
}
.api-btn--google {
  background: var(--api-surface);
  color: var(--api-ink);
  border-color: var(--api-line-strong);
  min-width: 220px;
}
.api-btn--google.is-loading {
  opacity: 0.7;
}
.api-btn--sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
}

.api-btn__g {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* —— Landing —— */
.api-landing {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
}

.api-hero {
  position: relative;
  flex: 1;
  display: grid;
  align-items: end;
  overflow: hidden;
  min-height: calc(100vh - 64px);
}

.api-hero__visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.api-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--api-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--api-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
}

.api-hero__svg {
  position: absolute;
  right: -6%;
  top: 8%;
  width: min(62vw, 720px);
  height: auto;
  opacity: 0.9;
}

.api-pulse-dot {
  fill: var(--api-pulse);
  animation: api-pulse 2.4s ease-in-out infinite;
}
.api-pulse-dot--2 {
  animation-delay: 0.8s;
}
.api-pulse-dot--3 {
  animation-delay: 1.5s;
}

@keyframes api-pulse {
  0%,
  100% {
    opacity: 0.35;
    r: 4;
  }
  50% {
    opacity: 1;
    r: 6.5;
  }
}

.api-wire {
  stroke: var(--api-signal);
  stroke-width: 1.4;
  fill: none;
  stroke-dasharray: 8 10;
  animation: api-dash 18s linear infinite;
  opacity: 0.55;
}

.api-wire--copper {
  stroke: var(--api-copper);
  animation-duration: 24s;
  animation-direction: reverse;
  opacity: 0.45;
}

@keyframes api-dash {
  to {
    stroke-dashoffset: -400;
  }
}

.api-hero__copy {
  position: relative;
  z-index: 1;
  max-width: var(--api-max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(3rem, 12vh, 7rem) 1.25rem 3.5rem;
  animation: api-rise 0.7s ease both;
}

@keyframes api-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.api-hero__brand {
  font-family: var(--api-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 1.1rem;
}

.api-hero__brand span {
  color: var(--api-copper);
}

.api-hero__headline {
  font-family: var(--api-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 16ch;
  margin: 0 0 0.85rem;
}

.api-hero__lede {
  max-width: 36ch;
  color: var(--api-muted);
  font-size: 1.05rem;
  margin: 0 0 1.6rem;
}

.api-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.api-hero__note {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--api-muted);
}

.api-banner {
  border-radius: var(--api-radius);
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}
.api-banner--err {
  background: var(--api-danger-soft);
  color: var(--api-danger);
}
.api-banner--ok {
  background: var(--api-signal-soft);
  color: var(--api-signal);
}
.api-banner--warn {
  background: color-mix(in srgb, var(--api-warn) 16%, transparent);
  color: var(--api-warn);
}

.api-landing__rest {
  max-width: var(--api-max);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.api-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--api-line);
}

.api-strip__item h2 {
  font-family: var(--api-display);
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}
.api-strip__item p {
  margin: 0;
  color: var(--api-muted);
  font-size: 0.92rem;
}

.api-footer {
  max-width: var(--api-max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  color: var(--api-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--api-line);
}
.api-footer a:hover {
  color: var(--api-ink);
}

/* —— Console shell —— */
.api-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: var(--api-rail) minmax(0, 1fr);
  gap: 1.5rem;
  min-height: calc(100vh - 72px);
  animation: api-rise 0.45s ease both;
}

.api-rail {
  position: sticky;
  top: 5.2rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.35rem 0;
}

.api-rail__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--api-muted);
  padding: 0.35rem 0.75rem 0.55rem;
}

.api-rail__link {
  position: relative;
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  color: var(--api-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.api-rail__link:hover {
  color: var(--api-ink);
  background: var(--api-copper-soft);
}
.api-rail__link.is-active {
  color: var(--api-ink);
  background: var(--api-surface);
  box-shadow: inset 0 0 0 1px var(--api-line);
}
.api-rail__link.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 2px;
  background: var(--api-copper);
}

.api-stage {
  min-width: 0;
}

.api-stage__head {
  margin-bottom: 1.35rem;
}
.api-stage__head h1 {
  font-family: var(--api-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}
.api-stage__head p {
  margin: 0;
  color: var(--api-muted);
  max-width: 52ch;
}

.api-panel {
  background: var(--api-surface);
  border: 1px solid var(--api-line);
  border-radius: var(--api-radius-lg);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--api-shadow);
  margin-bottom: 1rem;
}

.api-panel__title {
  font-family: var(--api-display);
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.api-stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.api-stat {
  padding: 0.9rem 1rem;
  border-radius: var(--api-radius);
  background: var(--api-surface-2);
  border: 1px solid var(--api-line);
}
.api-stat__label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--api-muted);
  margin-bottom: 0.25rem;
}
.api-stat__value {
  font-family: var(--api-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.api-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.api-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--api-signal-soft);
  color: var(--api-signal);
}
.api-chip--copper {
  background: var(--api-copper-soft);
  color: var(--api-copper);
}
.api-chip--muted {
  background: var(--api-surface-2);
  color: var(--api-muted);
}
.api-chip--danger {
  background: var(--api-danger-soft);
  color: var(--api-danger);
}

.api-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.api-list__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--api-line);
}
.api-list__row:last-child {
  border-bottom: 0;
}
.api-list__meta {
  font-size: 0.82rem;
  color: var(--api-muted);
  margin-top: 0.2rem;
}
.api-list__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

.api-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: end;
  margin-bottom: 0.5rem;
}
.api-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  min-width: 160px;
}
.api-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--api-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.api-field input,
.api-field select {
  font-family: var(--api-sans);
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--api-line-strong);
  background: var(--api-bg);
  color: var(--api-ink);
}
.api-field input:focus,
.api-field select:focus {
  outline: 2px solid var(--api-signal);
  outline-offset: 1px;
}

.api-secret {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--api-radius);
  background: var(--api-copper-soft);
  border: 1px solid color-mix(in srgb, var(--api-copper) 35%, transparent);
}
.api-secret__label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--api-copper);
  margin: 0 0 0.45rem;
}
.api-secret__value {
  font-family: var(--api-mono);
  font-size: 0.82rem;
  word-break: break-all;
  margin: 0 0 0.65rem;
}
.api-secret[hidden] {
  display: none;
}

.api-table-wrap {
  overflow-x: auto;
}
.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.api-table th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--api-muted);
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--api-line-strong);
}
.api-table td {
  padding: 0.7rem 0.65rem;
  border-bottom: 1px solid var(--api-line);
  vertical-align: top;
}
.api-table tr {
  cursor: pointer;
  transition: background 0.12s ease;
}
.api-table tr:hover td {
  background: var(--api-surface-2);
}
.api-table tr.is-selected td {
  background: var(--api-signal-soft);
}

.api-drawer {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--api-radius);
  background: var(--api-bg-deep);
  border: 1px solid var(--api-line);
}
.api-drawer[hidden] {
  display: none;
}
.api-drawer pre {
  margin: 0;
  font-family: var(--api-mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow: auto;
}

.api-empty {
  padding: 1.5rem 0.25rem;
  color: var(--api-muted);
  font-size: 0.95rem;
}

.api-docs h2 {
  font-family: var(--api-display);
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem;
  letter-spacing: -0.02em;
}
.api-docs h2:first-child {
  margin-top: 0;
}
.api-docs p,
.api-docs li {
  color: var(--api-muted);
}
.api-docs pre {
  background: var(--api-bg-deep);
  border: 1px solid var(--api-line);
  border-radius: var(--api-radius);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-family: var(--api-mono);
  font-size: 0.8rem;
  color: var(--api-ink);
}

.api-quick {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}
.api-quick a {
  display: block;
  padding: 1rem;
  border-radius: var(--api-radius);
  background: var(--api-surface-2);
  border: 1px solid var(--api-line);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.api-quick a:hover {
  border-color: var(--api-copper);
  transform: translateY(-2px);
}
.api-quick strong {
  display: block;
  font-family: var(--api-display);
  margin-bottom: 0.25rem;
}
.api-quick span {
  font-size: 0.85rem;
  color: var(--api-muted);
}

.confirm-dialog {
  border: none;
  border-radius: var(--api-radius-lg);
  padding: 0;
  background: transparent;
  max-width: 400px;
  width: calc(100% - 2rem);
}
.confirm-dialog::backdrop {
  background: rgba(5, 8, 7, 0.55);
}
.confirm-dialog__panel {
  background: var(--api-surface);
  color: var(--api-ink);
  border: 1px solid var(--api-line);
  border-radius: var(--api-radius-lg);
  padding: 1.35rem;
  box-shadow: var(--api-shadow);
}
.confirm-dialog__panel h2 {
  font-family: var(--api-display);
  margin: 0 0 0.5rem;
}
.confirm-dialog__panel p {
  margin: 0 0 1rem;
  color: var(--api-muted);
}
.confirm-dialog__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

/* Theme toggle reuse from app.css tokens — scoped fallback */
body.page-api .theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--api-line-strong);
  background: var(--api-surface);
  color: var(--api-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
body.page-api .theme-toggle__icon {
  width: 18px;
  height: 18px;
}
body.page-api .theme-toggle__icon--sun {
  display: none;
}
html[data-theme="dark"] body.page-api .theme-toggle__icon--moon {
  display: none;
}
html[data-theme="dark"] body.page-api .theme-toggle__icon--sun {
  display: block;
}

@media (max-width: 860px) {
  .api-shell {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  .api-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--api-line);
    margin-bottom: 0.25rem;
  }
  .api-rail__label {
    width: 100%;
    padding-left: 0.25rem;
  }
  .api-rail__link {
    padding: 0.45rem 0.7rem;
    font-size: 0.88rem;
  }
  .api-rail__link.is-active::before {
    display: none;
  }
  .api-strip {
    grid-template-columns: 1fr;
  }
  .api-hero__svg {
    opacity: 0.35;
    right: -20%;
    top: 0;
  }
  .api-top__email {
    display: none;
  }
  .api-list__row {
    grid-template-columns: 1fr;
  }
  .api-list__actions {
    justify-content: flex-start;
  }
}