/*
 * NASA — North America Scootering Archive
 * Design System: Darkroom Paper
 * Cream paper, photo-forward, red safelight accents, workshop warmth.
 */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow+Condensed:ital,wght@0,300;0,400;0,600;1,400&family=Lora:ital,wght@0,400;0,500;1,400&display=swap');

/* ── TOKENS ─────────────────────────────────────── */
:root {
  --cream: #ede8dc;
  --cream-dim: #d9d2c3;
  --paper: #f5f0e6;
  --ink: #1a1614;
  --ink-soft: #2d2825;
  --red: #CC4444;
  --red-dim: #a03333;
  --red-glow: #CC444422;
  --warm-gray: #8a8070;
  --warm-gray-light: #b0a898;
  --warm-gray-dim: #5c554b;
  --shadow: #0e0c0b;
  --workshop: #1e1b18;
  --workshop-warm: #252220;
  --workshop-border: #3a3530;

  --font-display: 'Bebas Neue', sans-serif;
  --font-label: 'Barlow Condensed', sans-serif;
  --font-body: 'Lora', Georgia, 'Times New Roman', serif;
}

/* ── RESET ──────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth; height: 100% }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain — subtle paper texture */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

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

/* ── LAYOUT ─────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem }

.top-rule { height: 3px; background: var(--red); width: 100% }

/* ── HEADER ─────────────────────────────────────── */
header {
  border-bottom: 2px solid var(--red);
  background: var(--paper);
}

.header-eyebrow {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--warm-gray);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--cream-dim);
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.nasa-mark {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: 0.2em;
  color: var(--red);
  line-height: 1;
}

.nasa-subtitle {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray);
  line-height: 1.3;
  max-width: 130px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.header-nav a {
  color: var(--warm-gray-dim);
  text-decoration: none;
  transition: color 0.15s;
}
.header-nav a:hover { color: var(--red) }

.header-nav .contribute-btn {
  border: 1px solid var(--red);
  color: var(--red);
  padding: 0.3rem 1rem;
  transition: all 0.15s;
}
.header-nav .contribute-btn:hover {
  background: var(--red);
  color: white;
}

/* ── BREADCRUMB ─────────────────────────────────── */
.breadcrumb {
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--warm-gray);
  padding: 1rem 0 0;
}
.breadcrumb a {
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.15s;
}
.breadcrumb a:hover { color: var(--red) }
.breadcrumb .sep { margin: 0 0.4rem; color: var(--cream-dim) }

/* ── SECTION HEADING ────────────────────────────── */
.section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.section-head span {
  font-family: var(--font-label);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  white-space: nowrap;
}
.section-head::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--cream-dim);
}

/* ── CORNER BRACKETS ────────────────────────────── */
.bracket {
  position: relative;
}
.bracket::before,
.bracket::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--red);
  border-style: solid;
}
.bracket::before { top: -1px; left: -1px; border-width: 2px 0 0 2px }
.bracket::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0 }

/* ── PHOTO FRAME ────────────────────────────────── */
.photo-frame {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--cream-dim);
  padding: 6px;
  box-shadow: 0 1px 3px rgba(14,12,11,0.08), 0 8px 24px rgba(14,12,11,0.06);
}
.photo-frame::before,
.photo-frame::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--red);
  border-style: solid;
  z-index: 2;
}
.photo-frame::before { top: -1px; left: -1px; border-width: 2px 0 0 2px }
.photo-frame::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0 }

.photo-frame-number {
  position: absolute;
  top: 10px;
  left: 12px;
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--red);
  opacity: 0.7;
  z-index: 2;
  text-transform: uppercase;
}

/* ── PHOTO META STRIP ───────────────────────────── */
.photo-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--cream-dim);
}

.meta-item {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--warm-gray-dim);
}
.meta-item strong { color: var(--ink); font-weight: 600 }
.meta-item .red { color: var(--red) }

/* ── BUTTONS ────────────────────────────────────── */
.btn-action {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--cream-dim);
  background: transparent;
  color: var(--warm-gray-dim);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-action:hover { border-color: var(--red); color: var(--red) }
.btn-action.active { border-color: var(--red); background: var(--red); color: white }

.btn-primary {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.55rem 1.5rem;
  background: var(--red);
  border: 1px solid var(--red);
  color: white;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-block;
}
.btn-primary:hover { background: var(--red-dim) }

.btn-outline {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.55rem 1.5rem;
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-block;
}
.btn-outline:hover { background: var(--red); color: white }

.btn-ghost {
  font-family: var(--font-label);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.45rem 1.25rem;
  background: transparent;
  border: 1px solid var(--cream-dim);
  color: var(--warm-gray);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--red); color: var(--red) }

/* ── RALLY CARDS ────────────────────────────────── */
.rally-card {
  background: var(--paper);
  border: 1px solid var(--cream-dim);
  padding: 1.1rem;
  transition: all 0.2s;
  display: block;
  text-decoration: none;
  color: inherit;
}
.rally-card:hover {
  border-color: var(--red);
  box-shadow: 0 2px 12px rgba(14,12,11,0.08);
}

.rally-card .card-year {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  color: var(--red);
  line-height: 1;
}

.rally-card .card-title {
  font-family: var(--font-label);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 0.3rem;
  line-height: 1.3;
}

.rally-card .card-photos {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-gray-light);
  margin-top: 0.4rem;
}

/* ── STAT CARD ──────────────────────────────────── */
.stat-card {
  background: var(--paper);
  border: 1px solid var(--cream-dim);
  padding: 1.25rem 1rem;
  text-align: center;
  position: relative;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--red) }
.stat-card::before {
  content: attr(data-index);
  position: absolute;
  top: 6px; right: 8px;
  font-family: var(--font-label);
  font-size: 0.55rem;
  color: var(--cream-dim);
  letter-spacing: 0.1em;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--red);
  line-height: 1;
  display: block;
}

.stat-label {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-top: 0.35rem;
  display: block;
}

/* ── RIGGS CHAT PANEL ───────────────────────────── */
.riggs-panel {
  background: var(--workshop);
  border: 1px solid var(--workshop-border);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(14,12,11,0.15);
}

.riggs-panel-inner { position: relative }
.riggs-panel-inner::before,
.riggs-panel-inner::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--red);
  border-style: solid;
  z-index: 2;
}
.riggs-panel-inner::before { top: 0; left: 0; border-width: 1px 0 0 1px }
.riggs-panel-inner::after { bottom: 0; right: 0; border-width: 0 1px 1px 0 }

.riggs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--workshop-border);
  background: var(--ink);
}

.riggs-identity {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.riggs-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--red-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: white;
  letter-spacing: 0.05em;
}

.riggs-name {
  font-family: var(--font-label);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 600;
}

.riggs-title {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--warm-gray);
}

.riggs-save {
  font-family: var(--font-label);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm-gray-dim);
  background: none;
  border: 1px solid var(--workshop-border);
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  transition: all 0.15s;
}
.riggs-save:hover { border-color: var(--red); color: var(--red) }

.riggs-forget {
  font-family: var(--font-label);
  font-size: 0.58rem;
  color: var(--warm-gray-dim);
  background: none;
  border: 1px solid var(--workshop-border);
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  transition: all 0.15s;
}
.riggs-forget:hover { border-color: var(--red); color: var(--red) }

.riggs-messages {
  padding: 1rem;
  min-height: 280px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.riggs-messages::-webkit-scrollbar { width: 3px }
.riggs-messages::-webkit-scrollbar-track { background: var(--workshop) }
.riggs-messages::-webkit-scrollbar-thumb { background: var(--workshop-border) }
.riggs-messages::-webkit-scrollbar-thumb:hover { background: var(--red) }

.msg {
  font-size: 0.85rem;
  line-height: 1.65;
  max-width: 88%;
  animation: msgIn 0.3s ease-out;
}

.msg-riggs {
  color: var(--cream-dim);
  padding: 0.65rem 0.85rem;
  background: var(--workshop-warm);
  border-left: 2px solid var(--red-dim);
  border-radius: 0 3px 3px 0;
}

.msg-user {
  color: var(--cream);
  padding: 0.65rem 0.85rem;
  background: var(--ink-soft);
  border-radius: 3px;
  align-self: flex-end;
  text-align: right;
}

.msg .msg-label {
  font-family: var(--font-label);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  display: block;
}
.msg-riggs .msg-label { color: var(--red) }
.msg-user .msg-label { color: var(--warm-gray) }

.riggs-input-row {
  display: flex;
  border-top: 1px solid var(--workshop-border);
}

.riggs-input {
  flex: 1;
  background: var(--ink);
  border: none;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 0.8rem 1rem;
  outline: none;
}
.riggs-input::placeholder { color: var(--warm-gray-dim); font-style: italic }

.riggs-send {
  background: var(--red);
  border: none;
  color: white;
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0 1.25rem;
  cursor: pointer;
  transition: background 0.15s;
}
.riggs-send:hover { background: var(--red-dim) }

.riggs-consent {
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  color: var(--warm-gray-dim);
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--workshop-border);
  text-align: center;
}

/* ── RELATED PHOTOS SIDEBAR ─────────────────────── */
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.related-thumb {
  aspect-ratio: 1;
  background: var(--ink);
  border: 1px solid var(--cream-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s;
  position: relative;
  overflow: hidden;
}
.related-thumb:hover { border-color: var(--red) }

.related-thumb .thumb-id {
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--warm-gray-dim);
}

.related-thumb .thumb-photographer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-family: var(--font-label);
  font-size: 0.5rem;
  letter-spacing: 0.05em;
  color: var(--cream-dim);
  background: linear-gradient(transparent, rgba(14,12,11,0.85));
  padding: 1rem 0.35rem 0.3rem;
  opacity: 0;
  transition: opacity 0.15s;
}
.related-thumb:hover .thumb-photographer { opacity: 1 }

/* ── TRANSITION STRIP ───────────────────────────── */
.transition-strip {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  margin: 1.5rem 0;
  opacity: 0.4;
}

/* ── FOOTER ─────────────────────────────────────── */
footer {
  margin-top: 3rem;
  border-top: 1px solid var(--cream-dim);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-pigeon {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--warm-gray);
  font-style: italic;
  max-width: 500px;
  line-height: 1.6;
}

.footer-mark {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--cream-dim);
}

.footer-links {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray);
}
.footer-links a {
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--red) }

.footer-strip {
  border-top: 1px solid var(--cream-dim);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm-gray-light);
}
.footer-strip a {
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-strip a:hover { color: var(--red) }

/* ── GRID HELPERS ───────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px }
.grid-rallies { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px }

@media (max-width: 800px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr) }
  .grid-3 { grid-template-columns: 1fr 1fr }
}
@media (max-width: 500px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr }
}

/* ── ANIMATIONS ─────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px) }
  to { opacity: 1; transform: translateY(0) }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px) }
  to { opacity: 1; transform: translateY(0) }
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px) }
  to { opacity: 1; transform: translateY(0) }
}

/* ── SCROLLBAR (global) ─────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px }
::-webkit-scrollbar-track { background: var(--cream) }
::-webkit-scrollbar-thumb { background: var(--cream-dim) }
::-webkit-scrollbar-thumb:hover { background: var(--red) }