/* ─────────────────────────────────────────────────────────────
   Congress Critter — Custom Design System
   Aesthetic: dark civic editorial
   Fonts: Alfa Slab One (title) · Spectral (names) · Instrument Sans (UI)
───────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Alfa+Slab+One&family=Spectral:ital,wght@0,400;0,600;1,400&family=Instrument+Sans:wght@400;500;600;700&display=swap');

/* ── Tokens ──────────────────────────────────────────────────── */

:root {
  --bg:        #090e1a;
  --bg-card:   #0f1726;
  --bg-raised: #162038;
  --bg-input:  #0d1422;

  --border:    #1c2b44;
  --border-hi: #243659;

  --text:      #ede8dc;
  --text-sub:  #8194b4;
  --text-dim:  #445270;

  --red:       #e63946;
  --red-hi:    #ff4858;
  --red-glow:  rgba(230, 57, 70, 0.18);
  --red-dim:   rgba(230, 57, 70, 0.08);

  --gold:      #f4a261;

  --radius:    7px;
  --radius-sm: 4px;
}

/* ── Reset ───────────────────────────────────────────────────── */

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

body, h1, h2, h3, h4, h5, h6, p, ul, li,
figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

[hidden] { display: none !important; }

/* ── Base ────────────────────────────────────────────────────── */

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  min-height: 100svh;

  background-image:
    radial-gradient(ellipse 90% 50% at 50% -5%,  rgba(230, 57, 70, 0.05) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 15% 90%, rgba(244, 162, 97, 0.04) 0%, transparent 60%);
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='256' height='256'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='256' height='256' filter='url(%23n)'/></svg>");
}

a {
  color: var(--gold);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Layout ──────────────────────────────────────────────────── */

main.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* ── Header ──────────────────────────────────────────────────── */

header {
  text-align: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

h1 {
  font-family: 'Alfa Slab One', serif;
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.title-icon {
  height: 0.9em;
  width: auto;
  vertical-align: middle;
  margin-right: 0.25em;
  position: relative;
  top: -0.07em;
}

header p {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

header p i {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Lookup card ─────────────────────────────────────────────── */

#lookup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 1rem;
}

/* ── Geolocate button ────────────────────────────────────────── */

#geolocate-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 1.25rem;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}

#geolocate-btn:hover {
  background: var(--red-hi);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--red-glow);
}

#geolocate-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

#geolocate-btn[aria-busy="true"] {
  opacity: 0.65;
  cursor: wait;
  pointer-events: none;
}

/* ── Divider ─────────────────────────────────────────────────── */

.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.85rem 0;
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--border);
}

/* ── Address form ────────────────────────────────────────────── */

#address-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#address-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.92rem;
  padding: 0.6rem 0.9rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

#address-input::placeholder {
  color: var(--text-dim);
}

#address-input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-dim);
}

#address-form button[type="submit"] {
  width: 100%;
  padding: 0.6rem 1.25rem;
  background: var(--bg-raised);
  color: var(--text-sub);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

#address-form button[type="submit"]:hover {
  background: var(--bg-raised);
  border-color: var(--text-dim);
  color: var(--text);
}

/* ── Status section ──────────────────────────────────────────── */

#status {
  margin-top: 0.75rem;
}

/* Loading state */
#loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  color: var(--text-sub);
  font-size: 0.88rem;
}

#loading::before {
  content: '';
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  border: 2px solid var(--border-hi);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Error state */
#error {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
}

#error-message {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

#retry-btn {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.85rem;
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

#retry-btn:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ── Results nav ─────────────────────────────────────────────── */

.results-nav {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.results-nav a {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border-hi);
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.15s;
}

.results-nav a:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-dim);
  text-decoration: none;
}

/* ── Result sections ─────────────────────────────────────────── */

.result-section {
  margin-bottom: 1.25rem;
  scroll-margin-top: 1rem;
}

/* Closed sections take up less vertical space */
.result-section:has(.section-details:not([open])) {
  margin-bottom: 0.2rem;
}

/* Collapsible <details> */
.section-details {
  border: none;
  padding: 0;
}

.section-details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.3rem 0;
  margin-bottom: 0;
  user-select: none;
}

.section-details > summary::-webkit-details-marker { display: none; }

.section-details[open] > summary {
  margin-bottom: 0.6rem;
}

/* Section label typography */
.section-title {
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  flex: 1;
}

/* Expand chevron */
.section-details > summary::after {
  content: '›';
  font-size: 1.1rem;
  line-height: 1;
  color: var(--text-dim);
  transition: transform 0.2s;
  display: inline-block;
}

.section-details[open] > summary::after {
  transform: rotate(90deg);
}

/* Section loading / error */
.section-loading {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.section-error {
  color: var(--red);
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Senators: two-column on wider viewports */
#senators .section-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  #senators .section-body {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Result card ─────────────────────────────────────────────── */

article.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0;
  animation: slideUp 0.22s ease-out both;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

article.result-card header {
  text-align: left;
  margin-bottom: 0.65rem;
  padding-bottom: 0;
  border-bottom: none;
}

.card-name {
  font-family: 'Spectral', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.15rem;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.02em;
  margin-bottom: 0;
}

/* ── Actions group ───────────────────────────────────────────── */

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}

/* Primary call button */
.call-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1.25rem;
  background: var(--red);
  color: #fff;
  border-radius: var(--radius);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}

.call-button:hover {
  background: var(--red-hi);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px var(--red-glow);
}

.call-button:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Copy button */
.copy-btn {
  width: 100%;
  padding: 0.4rem 0.9rem;
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-btn:hover {
  background: var(--bg-raised);
  color: var(--text);
  border-color: var(--text-dim);
}

/* Phone toggle — very de-emphasized */
.phone-toggle {
  all: unset;
  display: block;
  width: 100%;
  text-align: center;
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.7rem;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.15rem 0;
  transition: color 0.15s;
}

.phone-toggle:hover {
  color: var(--text-sub);
}

/* ── More info collapsible ───────────────────────────────────── */

.more-info {
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
}

.more-info > summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.1rem 0;
  transition: color 0.15s;
  user-select: none;
}

.more-info > summary::-webkit-details-marker { display: none; }

.more-info > summary::after {
  content: '›';
  font-size: 1rem;
  transition: transform 0.15s;
  display: inline-block;
}

.more-info[open] > summary::after {
  transform: rotate(90deg);
}

.more-info > summary:hover {
  color: var(--text-sub);
}

.more-info-content {
  margin-top: 0.5rem;
  color: var(--text-sub);
  font-size: 0.83rem;
  line-height: 1.6;
}

.more-info-content p {
  margin-bottom: 0.3rem;
}

.more-info-content h4 {
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.5rem;
  margin-bottom: 0.2rem;
}

.more-info-content a {
  color: var(--gold);
  text-decoration: none;
}

.more-info-content a:hover {
  text-decoration: underline;
}

/* ── Footer ──────────────────────────────────────────────────── */

.site-footer {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.78rem;
  line-height: 1.8;
}

.site-footer small {
  font-size: inherit;
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer a:hover {
  color: var(--text-sub);
}

/* ── Reduced motion ──────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}