/* ==========================================================================
   SMS Gateway · Anthropic-inspired warm editorial theme
   Cream canvas (#faf9f5) · Coral voltage (#cc785c) · Dark footer close.
   Serif display (Cormorant Garamond) + sans body (Inter).
   ========================================================================== */

:root {
  /* Brand */
  --primary: #cc785c;
  --primary-active: #a9583e;
  --primary-disabled: #e6dfd8;
  --accent-teal: #5db8a6;
  --accent-amber: #e8a55a;

  /* Surfaces */
  --canvas: #faf9f5;
  --surface-soft: #f5f0e8;
  --surface-card: #efe9de;
  --surface-cream-strong: #e8e0d2;
  --surface-dark: #181715;
  --surface-dark-elevated: #252320;
  --surface-dark-soft: #1f1e1b;

  /* Lines */
  --hairline: #e6dfd8;
  --hairline-soft: #ebe6df;
  --hairline-dark: rgba(250, 249, 245, 0.10);
  --hairline-dark-soft: rgba(250, 249, 245, 0.06);

  /* Text */
  --ink: #141413;
  --body-strong: #252523;
  --body: #3d3d3a;
  --muted: #6c6a64;
  --muted-soft: #8e8b82;
  --on-primary: #ffffff;
  --on-dark: #faf9f5;
  --on-dark-soft: #a09d96;

  /* Semantic */
  --success: #5db872;
  --warning: #d4a017;
  --error: #c64545;

  /* Type families */
  --font-serif: "Cormorant Garamond", "EB Garamond", "Tiempos Headline", Georgia, "Times New Roman", serif;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-section: 96px;

  /* Radii */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 9999px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, textarea, select {
  font: inherit;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }

::selection {
  background: rgba(204, 120, 92, 0.22);
  color: var(--ink);
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

/* ---------- Type primitives ---------------------------------------------- */

h1, h2, h3, h4, p { margin: 0; }

h1, h2 {
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 400;
}

h1 {
  font-size: clamp(44px, 6.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -1.8px;
}

/* italic serif as editorial flourish — DESIGN allows italic for emphasis */
h1 em, h2 em {
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

h2 {
  font-size: clamp(30px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.6px;
  margin-top: 14px;
}

h3 {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.4px;
}

.lede {
  max-width: 520px;
  margin-top: 24px;
  color: var(--body-strong);
  font-size: 18px;
  line-height: 1.6;
}

/* ---------- Spike-mark (Anthropic 4-spoke radial) ------------------------ */

.spike {
  width: 12px;
  height: 12px;
  flex: none;
  color: var(--ink);
}

.spike--coral { color: var(--primary); }

/* ---------- Eyebrows (caption-uppercase) --------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--muted-soft);
}

.eyebrow--coral {
  color: var(--primary);
}

.eyebrow--coral .eyebrow__dot {
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.18);
}

.eyebrow--spike { gap: 6px; }

/* Coral inline text-link */
.text-link {
  color: var(--primary);
  font-weight: 500;
  font-size: 14px;
  transition: color 120ms ease;
}

.text-link:hover { color: var(--primary-active); }

/* ---------- Top nav ------------------------------------------------------- */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 64px;
  background: rgba(250, 249, 245, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--hairline-soft);
}

.top-nav__inner {
  width: min(1200px, calc(100% - 48px));
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.1px;
  white-space: nowrap;
}

.brand__mark {
  width: 20px;
  height: 20px;
  color: var(--ink);
  flex: none;
}

.brand__name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.nav-links a {
  padding: 6px 0;
  transition: color 120ms ease;
}

.nav-links a:hover { color: var(--ink); }

.top-nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---------- Buttons ------------------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border: 0;
  border-radius: var(--r-md);
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button--primary {
  background: var(--primary);
  color: var(--on-primary);
}

.button--primary:active { background: var(--primary-active); }

.button--secondary {
  background: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--hairline);
}

.button--secondary:active {
  background: var(--surface-card);
  border-color: var(--surface-cream-strong);
}

.button--secondary-on-dark {
  background: var(--surface-dark-elevated);
  color: var(--on-dark);
  border: 1px solid var(--hairline-dark);
}

.button--ghost-on-coral {
  background: transparent;
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.button--danger {
  border: 1px solid rgba(198, 69, 69, 0.28);
  background: rgba(198, 69, 69, 0.08);
  color: var(--error);
}

.button--danger:active { background: rgba(198, 69, 69, 0.16); }

.button--compact {
  min-height: 32px;
  padding: 8px 14px;
  font-size: 13px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  background: var(--canvas);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 120ms ease;
}

.icon-button:hover { background: var(--surface-card); }
.icon-button svg { width: 14px; height: 14px; }

.button:focus-visible,
.icon-button:focus-visible,
.channel-list__item:focus-visible,
.text-input:focus-visible,
.select-input:focus-visible,
.nav-links a:focus-visible,
.text-link:focus-visible {
  outline: 3px solid rgba(204, 120, 92, 0.28);
  outline-offset: 2px;
}

/* ---------- Hero ---------------------------------------------------------- */

.hero-band {
  padding: var(--space-section) 0;
  background: var(--canvas);
  position: relative;
  overflow: hidden;
}

.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(204, 120, 92, 0.08), transparent 50%),
    radial-gradient(circle at 12% 92%, rgba(93, 184, 166, 0.05), transparent 45%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 460px);
  align-items: stretch;
  gap: var(--space-xxl);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 360px;
  padding-block: 12px;
}

.hero-copy h1 { margin-top: 18px; }

.hero-actions {
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-divider { color: var(--muted-soft); }

/* Runtime card (hero right side) */
.runtime-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-xl);
  box-shadow: 0 1px 3px rgba(20, 20, 19, 0.04);
}

.runtime-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

.runtime-card__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.runtime-card__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.runtime-card__status strong {
  color: var(--success);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(93, 184, 114, 0.22);
}

.status-dot--amber {
  background: var(--accent-amber);
  box-shadow: 0 0 0 3px rgba(232, 165, 90, 0.22);
}

.runtime-card__hero {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.runtime-card__caption {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.runtime-card__value {
  font-family: var(--font-serif);
  font-size: clamp(40px, 4.6vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -1px;
  color: var(--ink);
}

.runtime-card__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--hairline);
}

.runtime-card__meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.runtime-card__meta dt {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.runtime-card__meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.1px;
  overflow-wrap: anywhere;
}

/* ---------- Sections ------------------------------------------------------ */

.section-band {
  padding: var(--space-section) 0;
  background: var(--canvas);
}

.section-band--soft { background: var(--surface-soft); }

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.section-heading p {
  max-width: 560px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.section-heading--compact {
  display: block;
  margin-bottom: var(--space-lg);
}

.section-heading--compact p { margin-top: var(--space-sm); }

/* ---------- Status bento -------------------------------------------------- */

.bento-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.bento-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-sm);
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-xl) var(--space-xxl);
  min-height: 220px;
  overflow: hidden;
}

.bento-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-lg);
  bottom: var(--space-lg);
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--primary);
}

.bento-hero h3 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 4.6vw, 56px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-top: 4px;
}

.bento-hero p {
  margin-top: 10px;
  max-width: 520px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.bento-control {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border-radius: var(--r-lg);
  background: var(--surface-cream-strong);
  border: 1px solid var(--hairline);
  padding: var(--space-xl);
  min-height: 220px;
}

.bento-control h3 {
  font-size: 28px;
}

.bento-control p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  flex: 1;
}

.bento-control__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.mobile-data-status { min-height: 18px; }

/* Stat strip (3-up compact) */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.stat-tile {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-lg) var(--space-xl);
  min-height: 160px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.stat-tile:hover {
  border-color: var(--surface-cream-strong);
}

.stat-tile .eyebrow { margin-bottom: var(--space-md); }

.stat-tile__value {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.6px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.stat-tile__value--mono {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0;
}

.stat-tile__hint {
  margin-top: auto;
  padding-top: var(--space-sm);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* ---------- Inbox --------------------------------------------------------- */

.inbox-panel {
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-lg);
}

.inbox-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: var(--space-md);
  color: var(--muted);
  font-size: 13px;
}

.inbox-meta__hint {
  color: var(--muted-soft);
  font-size: 13px;
  font-weight: 500;
}

.message-list {
  display: grid;
  gap: var(--space-sm);
  max-height: 520px;
  overflow: auto;
  padding-top: var(--space-md);
}

.message-item {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--canvas);
  padding: var(--space-md) var(--space-lg);
  transition: border-color 120ms ease, transform 120ms ease;
}

.message-item:hover {
  border-color: var(--surface-cream-strong);
}

.message-item__header {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) auto auto;
  align-items: center;
  gap: var(--space-md);
}

.message-item__header strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.message-item__header time {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.message-status {
  border-radius: var(--r-pill);
  background: var(--surface-card);
  color: var(--muted);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

.message-item.is-forwarded {
  border-left: 3px solid var(--success);
}

.message-item.is-forwarded .message-status {
  background: rgba(93, 184, 114, 0.16);
  color: #2f7c44;
}

.message-text {
  margin-top: 10px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* ---------- Forms / workbench -------------------------------------------- */

.workbench-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.form-card,
.console-card {
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-xl);
}

.stack-form {
  display: grid;
  gap: var(--space-lg);
}

.field {
  display: grid;
  gap: var(--space-xs);
}

.field__label,
.stack-form label > span:not(.field__label),
.channel-form label > span:not(.field__label) {
  color: var(--body-strong);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.text-input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--canvas);
  color: var(--ink);
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

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

.text-input:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.18);
}

.select-input { appearance: auto; }

.text-area {
  min-height: 144px;
  resize: vertical;
  line-height: 1.6;
}

.text-area--code {
  min-height: 160px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
}

.text-input--mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.form-status {
  color: var(--muted);
  font-size: 13px;
}

.form-status.is-error { color: var(--error); }
.form-status.is-success { color: var(--success); }

/* ---------- Console card -------------------------------------------------- */

.console-card {
  display: grid;
  grid-template-rows: auto auto minmax(220px, 1fr);
  gap: var(--space-lg);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.panel-header__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.panel-header__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.panel-header__status strong {
  color: var(--accent-amber);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
}

.at-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
}

.console-output {
  overflow: auto;
  margin: 0;
  border-radius: var(--r-md);
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  padding: var(--space-lg);
  min-height: 220px;
  white-space: pre-wrap;
  color: var(--body-strong);
  font-family: var(--font-sans);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  line-height: 1.7;
}

/* ---------- Logs ---------------------------------------------------------- */

.log-window {
  overflow: auto;
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-md) var(--space-lg);
  height: 460px;
}

.log-line {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: var(--space-md);
  border-bottom: 1px solid var(--hairline-soft);
  padding: 10px 0;
}

.log-line:last-child { border-bottom: 0; }

.log-level {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.log-line.is-error .log-level { color: var(--error); }
.log-line.is-warn .log-level { color: var(--warning); }
.log-line.is-info .log-level { color: var(--accent-teal); }

.log-message {
  overflow-wrap: anywhere;
  color: var(--body-strong);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

.empty-state { color: var(--muted); font-size: 14px; }
.empty-state--light { color: var(--muted); font-size: 14px; }

/* ---------- Footer (slim, single row) ------------------------------------ */

.footer {
  background: var(--surface-dark);
  color: var(--on-dark-soft);
  padding: var(--space-lg) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.brand--footer {
  color: var(--on-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
}

.brand--footer .brand__mark { color: var(--on-dark); }

.footer__meta {
  color: var(--on-dark-soft);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
}

/* ---------- Modal --------------------------------------------------------- */

body.modal-open { overflow: hidden; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal.is-open { display: flex; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 19, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal__dialog {
  position: relative;
  width: min(1040px, 100%);
  max-height: min(86vh, 860px);
  overflow: auto;
  border-radius: var(--r-lg);
  background: var(--canvas);
  box-shadow: 0 24px 80px rgba(20, 20, 19, 0.32);
  padding: var(--space-xl);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: var(--space-lg);
}

.modal__header h2 { margin-top: 10px; }

.push-settings {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.channel-list-panel {
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 20px;
}

.panel-header--light { color: var(--muted); }

.channel-list-panel .panel-header {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 10px;
}

.channel-add {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-xs);
  width: 100%;
}

.channel-add__select {
  min-height: 32px;
  min-width: 0;
  padding: 6px 10px;
  font-size: 13px;
}

.channel-list {
  display: grid;
  gap: 10px;
  max-height: 520px;
  overflow: auto;
  margin-top: 18px;
}

.channel-list__item {
  position: relative;
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--canvas);
  color: var(--body);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.channel-list__item:hover {
  border-color: var(--surface-cream-strong);
  background: var(--surface-soft);
}

.channel-list__item.is-active {
  border-color: var(--surface-cream-strong);
  background: var(--surface-cream-strong);
  color: var(--ink);
}

.channel-list__item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--primary);
}

.channel-list__name {
  display: block;
  overflow-wrap: anywhere;
  color: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.channel-list__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.channel-list__item.is-active .channel-list__meta { color: var(--primary); }

.channel-form {
  border-radius: var(--r-lg);
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: var(--space-lg);
}

.form-fieldset {
  margin: 0;
  border: 0;
  padding: 0;
}

.form-fieldset:disabled { opacity: 0.55; }

.channel-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.channel-form label {
  display: grid;
  gap: var(--space-xs);
}

.switch-row {
  grid-column: 1 / -1;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-weight: 500;
  color: var(--body-strong);
}

.switch-row input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--primary);
}

.field-row--wide { grid-column: 1 / -1; }

.channel-form__actions { margin-top: var(--space-lg); }

.is-hidden { display: none !important; }

/* ---------- Responsive ---------------------------------------------------- */

@media (max-width: 1024px) {
  .hero-grid,
  .workbench-grid,
  .push-settings,
  .bento-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 767px) {
  .container,
  .top-nav__inner {
    width: min(100% - 32px, 1200px);
  }

  .top-nav { height: auto; }

  .top-nav__inner {
    min-height: 64px;
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 16px;
  }

  .top-nav__actions { margin-left: auto; }

  .hero-band { padding: 56px 0 64px; }

  .hero-copy { min-height: 0; }

  .section-band { padding: 64px 0; }

  .section-heading {
    display: grid;
    align-items: start;
    gap: var(--space-md);
  }

  .stat-strip { grid-template-columns: 1fr; }

  .form-card,
  .console-card,
  .bento-hero,
  .bento-control,
  .runtime-card { padding: var(--space-lg); }

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

  .message-item__header {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .message-item__header time,
  .message-status { width: max-content; }

  .log-window { height: 360px; }

  .log-line {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .modal {
    align-items: stretch;
    padding: 12px;
  }

  .modal__dialog {
    max-height: calc(100vh - 24px);
    padding: 20px;
  }

  .modal__header {
    gap: var(--space-md);
    padding-bottom: 18px;
  }

  .channel-form,
  .channel-list-panel { padding: 20px; }

  .channel-form__grid { grid-template-columns: 1fr; }

  .switch-row,
  .field-row--wide { grid-column: auto; }
}