*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

:root {
  --bg:           #FDFDF8;
  --surface:      #FFFDF8;
  --card:         #F4F4ED;
  --border:       #d4d0cb;
  --border-dark:  #282523;
  --text:         #282523;
  --muted:        #6b6362;
  --accent:       #008A7A;
  --font-serif:   'Libre Baskerville', Georgia, serif;
  --font-sans:    'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --c-fl:  #0073CF;
  --c-ll:  #4da3e8;
  --c-c:   #7e57c2;
  --c-lr:  #E31837;
  --c-fr:  #a01228;
	--border-radius: 8px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app { max-width: 740px; margin: 0 auto; padding: 0 1.25rem 5rem; }

/* ── Masthead ── */
.masthead {
  padding: 2rem 0 1.5rem;
  margin-bottom: .75rem;
  text-align: center;
}
.masthead h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.5px;
  color: var(--text);
}
.masthead-sub {
  margin-top: .4rem;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--muted);
  font-family: var(--font-sans);
  font-weight: 400;
}

/* ── Section label ── */
.section-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

/* ── Card subtitle (used as card headings) ── */
.card-subtitle {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 1rem;
}

/* ── Auth panel ── */
.auth-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.75rem;
  margin-bottom: 1.5rem;
}
#authSignIn { display: block; }
#authUserPanel { display: none; }
.auth-row { display: flex; gap: .6rem; align-items: flex-start; flex-wrap: wrap; }
.auth-email-input {
  padding: .4rem .65rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  flex: 1 1 200px;
  outline: none;
  transition: border-color .15s;
}
.auth-email-input:focus { border-color: var(--border-dark); }
.auth-email-input::placeholder { color: #b0aba8; }
.auth-send-btn {
  padding: .4rem 1rem;
  background: var(--border-dark);
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  white-space: nowrap;
  transition: opacity .15s;
}
.auth-send-btn:hover { opacity: .82; }
.auth-send-btn:disabled { opacity: .35; cursor: not-allowed; }
.auth-status {
  font-size: .85rem;
  color: var(--muted);
  margin-top: .6rem;
  font-style: italic;
}
.auth-status.error { color: var(--accent); font-style: normal; }
.auth-user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 0;
}
.auth-user-row .card-subtitle { margin-bottom: 0; }
.auth-signout-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color .15s;
  flex-shrink: 0;
}
.auth-signout-btn:hover { color: var(--text); }

/* ── Briefing list ── */
.briefing-list { margin-top: 1rem; }
.briefing-list-empty { font-size: .88rem; color: var(--muted); font-style: italic; }
.briefing-list-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--border);
}
.briefing-list-item:first-child { border-top: 1px solid var(--border); }
.briefing-list-link {
  flex: 1;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border);
}
.briefing-list-link:hover { text-decoration-color: var(--text); }
.kebab-wrap { position: relative; flex-shrink: 0; }
.kebab-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: .2rem .4rem;
  font-family: var(--font-sans);
  transition: color .15s;
}
.kebab-btn:hover { color: var(--text); }
.kebab-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 2px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  z-index: 20;
  min-width: 130px;
}
.kebab-menu.open { display: block; }
.kebab-item {
  display: block;
  width: 100%;
  padding: .5rem .85rem;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: .85rem;
  color: var(--text);
  cursor: pointer;
  transition: background .1s;
}
.kebab-item:hover { background: var(--bg); }
.kebab-item.danger { color: var(--accent); }

/* ── Rename overlay ── */
.rename-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(253,253,248,0.88);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 50;
  align-items: center;
  justify-content: center;
}
.rename-overlay.visible { display: flex; }
.rename-dialog {
  background: var(--surface);
  border: 1px solid var(--border-dark);
  padding: 1.75rem;
  width: min(480px, calc(100vw - 2.5rem));
}
.rename-dialog .section-label { margin-bottom: 1rem; }
.rename-input {
  display: block;
  width: 100%;
  padding: .5rem .65rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
  margin-bottom: 1rem;
  transition: border-color .15s;
}
.rename-input:focus { border-color: var(--border-dark); }
.rename-actions { display: flex; gap: .75rem; }
.rename-save-btn {
  padding: .5rem 1.25rem;
  background: var(--border-dark);
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: opacity .15s;
}
.rename-save-btn:hover { opacity: .82; }
.rename-cancel-btn {
  padding: .5rem 1.25rem;
  background: none;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color .15s, color .15s;
}
.rename-cancel-btn:hover { border-color: var(--border-dark); color: var(--text); }

/* ── Form panel ── */
.form-panel {
  background: var(--card);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 2rem;
}


.selector-section {
  background: #EEECE5;
  border-radius: 8px;
  padding: 1rem 1rem 1.5rem;
}

.selector-section + .selector-section {
	margin-top: 1.75rem; }

.selector-section > .field-label {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text);
  margin-bottom: .2rem;
}
.field-who {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
  display: block;
  margin-bottom: .6rem;
}

/* ── Spectrum slider ── */
.slider-wrap { margin-top: .5rem; }
.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.slider-label-left {
  font-size: 1rem; font-weight: 700;
  color: #0073CF;
}
.slider-label-right {
  font-size: 1rem; font-weight: 700;
  color: #E31837;
}
input[type="range"].spectrum-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, #0073CF, #7e57c2, #E31837);
  outline: none;
  border: none;
  cursor: pointer;
  border-radius: 0;
  display: block;
}
input[type="range"].spectrum-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--thumb-color, #7e57c2);
  border: 2px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.3);
  cursor: pointer;
  transition: background .15s, transform .1s;
}
input[type="range"].spectrum-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"].spectrum-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--thumb-color, #7e57c2);
  border: 2px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.3);
  cursor: pointer;
}
input[type="range"].spectrum-slider::-moz-range-track {
  height: 4px;
  background: linear-gradient(to right, #0073CF, #7e57c2, #E31837);
  border: none;
}

/* ── Mode slider ── */
.mode-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent), #E31837);
  outline: none;
  border: none;
  cursor: pointer;
  border-radius: 0;
  display: block;
}
.mode-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--thumb-color, var(--accent));
  border: 2px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.3);
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.mode-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.mode-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--thumb-color, var(--accent));
  border: 2px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.3);
  cursor: pointer;
}
.mode-slider::-moz-range-track {
  height: 4px;
  background: linear-gradient(to right, var(--accent), #E31837);
  border: none;
}
.mode-converse { color: var(--accent) !important; }
.mode-avoid    { color: #E31837 !important; }

/* ── Options divider ── */
.options-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.options-divider::before,
.options-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Options section ── */
.options-section { margin-top: 1rem; }

/* ── Options end divider ── */
.options-end-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.75rem 0 0;
}

/* ── Zip input ── */
.options-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5rem;
}
.zip-pair {
  display: flex;
  gap: .6rem;
  width: 100%;
  min-width: 0;
}
.zip-input {
  padding: .4rem .65rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  flex: 1 1 0;
  min-width: 0;
  width: 0;
  outline: none;
  transition: border-color .15s;
}
.zip-input:focus { border-color: var(--border-dark); }
.zip-input::placeholder { color: #b0aba8; }

/* ── Generate button ── */
.generate-btn {
  display: block;
  margin: 1.75rem auto 0;
  padding: .8rem 2.5rem;
  border-radius: var(--border-radius);
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: opacity .15s;
}
.generate-btn:hover { opacity: .82; }
.generate-btn:disabled { opacity: .35; cursor: not-allowed; }

/* ── Loading overlay ── */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(253, 253, 248, 0.88);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}
.loading-overlay.visible { display: flex; }
.spinner {
  width: 48px; height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--border-dark);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}
.loading-overlay p {
  font-size: .95rem;
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--muted);
  text-align: center;
  max-width: 280px;
  line-height: 1.6;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error ── */
.error-box {
  display: none;
  border-left: 3px solid var(--accent);
  padding: .75rem 1rem;
  background: #fdf3f2;
  color: #8b1a1a;
  font-size: .88rem;
  margin-bottom: 1.5rem;
}
.error-box.visible { display: block; }

/* ── Tin foil hat ── */
.tinfoil-row {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 0;
  cursor: pointer;
  user-select: none;
}
.tinfoil-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.tinfoil-left { display: flex; align-items: center; gap: .65rem; }
.tinfoil-icon { font-size: 1.3rem; flex-shrink: 0; line-height: 1; }
.tinfoil-title { font-size: 1rem; font-weight: 700; color: var(--text); }
.tinfoil-sub   { font-size: .875rem; color: var(--muted); margin-top: .1rem; }
.toggle-track {
  position: relative;
  width: 50px;
  height: 28px;
  background: var(--border);
  border-radius: 14px;
  flex-shrink: 0;
  transition: background .2s;
}
.toggle-track::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: transform .2s;
}
.tinfoil-row input:checked ~ .toggle-track { background: var(--accent); }
.tinfoil-row input:checked ~ .toggle-track::before { transform: translateX(22px); }

@media (max-width: 480px) {
  .form-panel { padding: 1.25rem; }
  .auth-panel { padding: 1rem 1.25rem; }
}

footer {
  border-top: 1px solid var(--border);
  margin: 0rem 0 3.5rem 0;
  padding: 1.5rem 0;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  text-decoration: underline;
}