/* Lull consumer styles — Slate Water + Sand palette per BRANDBOOK.md. */
:root {
  --slate-water: #4A6B7C;
  --deepwater: #28414D;
  --sand: #E9D9BF;
  --dawn: #F4EAD5;
  --moss: #7A9179;
  --amber-low: #C99A57;
  --paper: #FBFAF6;
  --fog: #D9DCDD;
  --stone: #4C5359;
  --ink: #1E252A;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  background: var(--paper);
  color: var(--stone);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Skip-link surfaces on focus for keyboard users. */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--ink); color: var(--paper);
  padding: 8px 12px; border-radius: 4px;
  z-index: 100; text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* Universal focus indicator — never invisible. */
:focus-visible {
  outline: 2px solid var(--slate-water);
  outline-offset: 2px;
  border-radius: 4px;
}

header {
  background: var(--paper);
  color: var(--ink);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--fog);
}
.wordmark {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5rem;
  color: var(--slate-water);
  letter-spacing: -0.02em;
  font-weight: 500;
}
nav { display: flex; gap: 0.25rem; }
nav button {
  background: transparent; color: var(--stone); border: 1px solid transparent;
  padding: 0.5rem 0.9rem; border-radius: 6px; cursor: pointer;
  font-family: inherit; font-size: 0.9rem;
}
nav button:hover { background: var(--dawn); color: var(--ink); }

.hidden { display: none !important; }

main { flex: 1; max-width: 640px; margin: 2rem auto; padding: 0 1rem; width: 100%; }

section {
  background: white;
  border: 1px solid var(--fog);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 2px rgba(30,37,42,0.04);
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}
h1 { font-size: 1.6rem; margin-bottom: 0.75rem; }
h2 { font-size: 1.2rem; margin: 1.25rem 0 0.75rem; }
h3 { font-size: 1rem; margin: 1rem 0 0.25rem; }

/* Programmatic focus on a section heading (SPA view change) should not paint a
   ring for pointer users — :focus-visible already scopes the ring correctly. */
h1[tabindex="-1"]:focus, h2[tabindex="-1"]:focus { outline: none; }

.trust-line { color: var(--stone); font-style: italic; margin-bottom: 1.5rem; }
.privacy-line { color: var(--stone); opacity: 0.75; font-size: 0.9rem; margin-bottom: 1rem; }
.secondary { color: var(--stone); font-size: 0.9rem; }

form { display: flex; flex-direction: column; gap: 0.9rem; }
form label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.9rem; color: var(--stone); }
input, select {
  padding: 0.7rem; border: 1px solid var(--fog); border-radius: 6px; font-size: 1rem;
  font-family: inherit; background: white; color: var(--ink);
}
input:focus, select:focus { border-color: var(--slate-water); }

.error { color: #8A3A2E; font-size: 0.9rem; min-height: 1.2em; }

.status-ambient { text-align: center; padding: 2rem 0; }
#status-line { font-size: 1.1rem; color: var(--stone); margin-bottom: 0.5rem; }
.chip { display: inline-block; background: var(--dawn); color: var(--deepwater); padding: 0.3rem 0.9rem; border-radius: 99px; font-size: 0.8rem; }

.nudge-card {
  background: var(--dawn);
  border: 1px solid var(--sand);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  text-align: left;
}
.nudge-card p { margin-bottom: 0.75rem; color: var(--ink); }
.nudge-kind {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--slate-water); margin-bottom: 0.35rem !important;
}
.uncertainty { color: var(--stone); opacity: 0.7; font-size: 0.9rem; font-style: italic; }
.nudge-actions { display: flex; gap: 0.6rem; justify-content: flex-start; margin: 0.75rem 0 0.5rem; flex-wrap: wrap; }

.ask-row { text-align: center; margin-bottom: 0.5rem; }

/* Non-urgent inline notice (e.g. "confirm your email"). */
.notice {
  background: var(--dawn); border: 1px solid var(--sand); border-radius: 12px;
  padding: 1rem 1.25rem; margin-bottom: 1.25rem;
}
.notice p { color: var(--ink); margin-bottom: 0.6rem; font-size: 0.95rem; }
.notice-h { font-size: 1rem; margin: 0 0 0.35rem; }

.btn-primary {
  background: var(--slate-water); color: white; border: none;
  padding: 0.75rem 1.25rem; border-radius: 6px; cursor: pointer;
  font-family: inherit; font-size: 1rem; font-weight: 500;
}
.btn-primary:hover { background: var(--deepwater); }

.btn-accept {
  background: var(--moss); color: white; border: none;
  padding: 0.55rem 1.1rem; border-radius: 6px; cursor: pointer; font-family: inherit;
}
.btn-dismiss {
  background: transparent; color: var(--stone); border: 1px solid var(--fog);
  padding: 0.55rem 1.1rem; border-radius: 6px; cursor: pointer; font-family: inherit;
}
.btn-soft {
  background: var(--dawn); color: var(--deepwater); border: 1px solid var(--sand);
  padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; font-family: inherit; font-size: 0.9rem;
}
.btn-wrong {
  background: none; color: var(--stone); border: none; font-size: 0.85rem;
  cursor: pointer; text-decoration: underline; padding: 0.25rem 0;
}
.btn-danger {
  background: transparent; color: #8A3A2E; border: 1px solid #C79086;
  padding: 0.55rem 1.1rem; border-radius: 6px; cursor: pointer; font-family: inherit; font-size: 0.9rem;
}
.btn-danger:hover { background: #FFEDE7; }

.welcome-back {
  background: var(--dawn); border: 1px solid var(--sand); border-radius: 12px;
  padding: 1.25rem; margin-top: 1rem;
}
.welcome-back p { margin-bottom: 0.75rem; color: var(--ink); }

.setting-group { margin-bottom: 1.4rem; }
.setting-group > label { font-weight: 500; margin-bottom: 0.4rem; color: var(--ink); display: block; }
input[type="range"] { width: 100%; accent-color: var(--slate-water); }
.quiet-hours { display: flex; align-items: center; gap: 0.6rem; }
.quiet-hours span { color: var(--stone); }

/* Checkbox rows opt out of the column-flow `form label` rule above. */
label.checkbox {
  display: flex; flex-direction: row; align-items: flex-start; gap: 0.55rem;
  font-size: 0.9rem; margin-bottom: 0.6rem; color: var(--stone); cursor: pointer;
}
label.checkbox input[type="checkbox"] {
  /* Undo the generic `input` rule above — a checkbox must keep its native box. */
  width: auto; flex: none; padding: 0; border: 0; background: none;
  margin-top: 0.2rem; accent-color: var(--slate-water);
}
label.checkbox strong { color: var(--ink); font-weight: 500; }

fieldset { border: 1px solid var(--fog); border-radius: 8px; padding: 0.8rem 0.9rem 0.3rem; }
legend { font-size: 0.85rem; color: var(--stone); padding: 0 0.35rem; }

#plan-line { font-size: 0.95rem; color: var(--ink); }

.device-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.75rem; padding: 0.55rem 0; border-bottom: 1px solid var(--fog); font-size: 0.9rem;
}
.device-row:last-child { border-bottom: none; }
.device-row .device-name { color: var(--ink); }

hr { border: none; border-top: 1px solid var(--fog); margin: 1.5rem 0; }

.save-status { color: var(--moss); font-size: 0.9rem; margin-top: 0.5rem; min-height: 1.2em; }

.privacy-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }

.pattern-item {
  padding: 0.6rem 0.9rem;
  background: var(--dawn); border-left: 3px solid var(--slate-water);
  margin-bottom: 0.5rem; border-radius: 4px; color: var(--ink);
}

.focus-row { display: flex; justify-content: space-between; padding: 0.3rem 0; font-size: 0.9rem; }
.focus-row .bar {
  width: 60%;
  background: var(--fog); border-radius: 4px; overflow: hidden;
}
.focus-row .fill {
  display: block; background: var(--moss); border-radius: 4px;
  padding: 2px 6px; color: white; font-size: 0.8rem; text-align: right;
}

.breakdown-row {
  padding: 0.4rem 0; border-bottom: 1px solid var(--fog); font-size: 0.9rem;
}
.breakdown-row:last-child { border-bottom: none; }
.breakdown-row strong { color: var(--ink); text-transform: capitalize; }

footer {
  text-align: center; padding: 1.5rem 1rem; color: var(--stone);
  font-size: 0.8rem; border-top: 1px solid var(--fog); background: var(--paper);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}