/*
 * theme.css — Email Deliverability Checker.
 * Mood: a precise diagnostic instrument, like Google PageSpeed Insights'
 * report card set with Linear's density. Deep "inbox green" brand on a cool
 * paper ground; the dark mode is a night-terminal green, not an inversion.
 */

:root {
  --canvas: #f5f6f2;
  --surface: #ffffff;
  --surface-2: #eaede6;
  --border: #dde1d8;
  --border-strong: #b5bcb1;
  --ink: #0f1712;
  --muted: #546058;
  --accent: #0d7a4a;
  --accent-hover: #0a6a40;
  --accent-ink: #ffffff;
  --accent-text: #0a6b40;
  --accent-strong: #08532f;
  --accent-soft: #d9efe2;
  --accent-border: #9ccfb3;
  --success: #15803d;
  --success-ink: #ffffff;
  --success-soft: #dcefe2;
  --success-strong: #116a33;
  --warning: #b45309;
  --warning-ink: #ffffff;
  --warning-soft: #f6e8d8;
  --warning-strong: #8f4207;
  --danger: #c0262d;
  --danger-ink: #ffffff;
  --danger-soft: #f8e0e0;
  --danger-strong: #9f1d23;
  --chart-1: #0d7a4a;
  --chart-2: #2f6fb0;
  --chart-3: #b45309;
  --chart-4: #7a4bb0;
  --chart-5: #0b6f7a;
  --chart-6: #a1324f;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.035em;
  --eyebrow-tracking: 0.08em;

  --radius-btn: 10px;
  --radius-card: 16px;
  --radius-input: 12px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px -12px rgba(0, 0, 0, 0.12);
  --shadow-raised: 0 18px 48px -16px rgba(0, 0, 0, 0.28);
  --x-band: #0f1712;
  --x-band-ink: #eef4ef;
  --x-band-muted: #a7b5ab;
  --x-band-accent: #4fe39a;
  --x-band-line: #26332b;
}

html[data-theme="dark"] {
  --canvas: #0b100d;
  --surface: #121a15;
  --surface-2: #19231c;
  --border: #243028;
  --border-strong: #3a4a3f;
  --ink: #ecf2ed;
  --muted: #9aa99f;
  --accent: #3fd68a;
  --accent-hover: #5fe3a0;
  --accent-ink: #04140b;
  --accent-text: #5fe39f;
  --accent-strong: #8ef0bd;
  --accent-soft: #12301f;
  --accent-border: #23583a;
  --success: #22a35a;
  --success-ink: #04140b;
  --success-soft: #11291a;
  --success-strong: #6fdc9b;
  --warning: #d98a2b;
  --warning-ink: #1a0e02;
  --warning-soft: #2e2112;
  --warning-strong: #f0b46a;
  --danger: #e2545a;
  --danger-ink: #1c0405;
  --danger-soft: #331618;
  --danger-strong: #f59397;
  --chart-1: #3fd68a;
  --chart-2: #6aa8ea;
  --chart-3: #e09a45;
  --chart-4: #b18ae6;
  --chart-5: #3cc3cf;
  --chart-6: #e7799a;

  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03), 0 10px 30px -14px rgba(0, 0, 0, 0.6);
  --shadow-raised: 0 18px 48px -16px rgba(0, 0, 0, 0.7);
  --x-band: #050806;
  --x-band-ink: #eef4ef;
  --x-band-muted: #a0aea4;
  --x-band-accent: #4fe39a;
  --x-band-line: #1d2922;
}

/* app.css — what no primitive covers: the ground, the checker device, the
   score dial, the report rows, the bands and the API card. Tokens only. */

.ground {
  background:
    radial-gradient(1100px 520px at 12% -12%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(800px 420px at 100% 0%, color-mix(in srgb, var(--chart-2) 8%, transparent), transparent 70%),
    var(--canvas);
  background-repeat: no-repeat;
}

/* ---- Hero ---------------------------------------------------------------- */
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--accent-border);
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
}
.hero-mark {
  color: var(--accent-text);
  background: linear-gradient(to bottom, transparent 68%, color-mix(in srgb, var(--accent) 18%, transparent) 68%);
}

.checker {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 0.75rem;
  box-shadow: var(--shadow-raised);
  max-width: 56rem;
}
.checker-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: 3.5rem;
  padding-inline: 1rem;
  border-radius: 14px;
  background: var(--surface-2);
  border: 1px solid transparent;
  transition: border-color 150ms, box-shadow 150ms;
}
.checker-field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.checker-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--ink);
  font-size: 1.125rem;
}
.checker-input::placeholder { color: var(--muted); opacity: 0.8; }
.checker-btn { height: 3.5rem; border-radius: 14px; }
.selector-toggle {
  cursor: pointer;
  list-style: none;
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
}
.selector-toggle::-webkit-details-marker { display: none; }
.selector-toggle:hover { color: var(--ink); }

/* ---- Loading ------------------------------------------------------------- */
.checking { display: none; }
.checking.htmx-request { display: block; }
.report-slot.htmx-request { display: none; }

/* ---- Score dial ---------------------------------------------------------- */
.dial { position: relative; width: 11rem; height: 11rem; }
.dial svg { width: 100%; height: 100%; }
.dial circle { fill: none; stroke-width: 10; }
.dial-track { stroke: var(--surface-2); }
.dial-value {
  stroke: var(--success);
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.dial[data-tone="warn"] .dial-value { stroke: var(--warning); }
.dial[data-tone="fail"] .dial-value { stroke: var(--danger); }
.dial-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.dial-grade {
  position: absolute;
  top: 0;
  right: -0.25rem;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--canvas);
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--shadow-card);
}

/* ---- Report -------------------------------------------------------------- */
@media (min-width: 768px) { .summary-card { padding: 2.25rem; } }

.meter { display: block; min-width: 0; color: var(--ink); text-decoration: none; }
.meter:hover { color: var(--accent-text); }
.meter-bar { display: block; height: 0.375rem; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.meter-fill { display: block; height: 100%; border-radius: 999px; background: var(--success); }
.meter[data-status="warn"] .meter-fill { background: var(--warning); }
.meter[data-status="fail"] .meter-fill { background: var(--danger); }
.meter[data-status="info"] .meter-fill { background: var(--border-strong); }

.check-row { scroll-margin-top: 1.5rem; }
.record {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--ink);
}
.record + .record { margin-top: 0.5rem; }
.fixes { border-top: 1px solid var(--border); padding-top: 1rem; }
.fix-item { position: relative; padding-left: 1.25rem; font-size: 0.9rem; }
.fix-item::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
}

.nudge {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--x-band);
  color: var(--x-band-ink);
  border-radius: var(--radius-card);
  padding: 2rem;
}
@media (min-width: 768px) { .nudge { flex-direction: row; align-items: center; justify-content: space-between; } }
.nudge-muted { color: var(--x-band-muted); }

.intro-row { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.5rem; }
.intro-row + .intro-row { border-top: 1px solid var(--border); }

/* ---- API band ------------------------------------------------------------ */
.band-tint {
  background: var(--surface-2);
  border-block: 1px solid var(--border);
}
.flow { display: grid; gap: 0.75rem; max-width: 26rem; }
.flow-step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem 1rem;
}
.flow-step + .flow-step::before {
  content: "";
  position: absolute;
  left: 2.2rem;
  top: -0.8rem;
  width: 2px;
  height: 0.8rem;
  background: var(--accent-border);
}
.flow-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
}

.code-card {
  min-width: 0;
  background: var(--x-band);
  color: var(--x-band-ink);
  border: 1px solid var(--x-band-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-raised);
}
.code-bar, .code-foot {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.25rem;
  min-width: 0;
}
.code-bar { border-bottom: 1px solid var(--x-band-line); }
.code-foot { border-top: 1px solid var(--x-band-line); justify-content: space-between; color: var(--x-band-muted); }
.code-body {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--x-band-muted);
}
.tok-k { color: var(--x-band-ink); }
.tok-s { color: var(--x-band-accent); }
.tok-n { color: var(--x-band-ink); font-weight: 500; }

.recipe { display: flex; flex-direction: column; }
.recipe-apps { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--muted); }

/* ---- Closing band -------------------------------------------------------- */
.band-dark { background: var(--x-band); color: var(--x-band-ink); }
.band-accent { color: var(--x-band-accent); }
.band-btn { background: var(--x-band-accent); border-color: var(--x-band-accent); color: var(--x-band); }
.band-btn:hover { background: var(--x-band-accent); border-color: var(--x-band-accent); opacity: 0.9; }
.band-btn-ghost { background: transparent; border-color: var(--x-band-line); color: var(--x-band-ink); }
.band-btn-ghost:hover { background: color-mix(in srgb, var(--x-band-ink) 8%, transparent); border-color: var(--x-band-muted); }