/* styles.css
   LA Photographer’s Field Guide — shared styles + palettes

   Usage:
   <html lang="en" data-theme="b" data-mode="light">
   data-theme: a | b | c | dn1 | dn2 | dn3
   data-mode:  light | dark
*/

/* ---------- TOKENS (DEFAULT) ---------- */
:root{
  /* Default = Palette B Light */
  --paper:#F3EFE7;
  --ink:#0F1115;
  --accent:#1E6F8C; /* pacific */
  --muted:#B8BDC6;  /* smog */

  --max:1120px;
  --g:18px;
  --radius:18px;

  /* Derived */
  --border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  --panel:  color-mix(in srgb, var(--paper) 92%, var(--muted));
  --panel2: color-mix(in srgb, var(--paper) 90%, var(--muted));
  --subtext: color-mix(in srgb, var(--ink) 78%, var(--muted));
  --kicker:  color-mix(in srgb, var(--ink) 65%, var(--muted));

  /* Toggle knob colors */
  --sun:  #F6C453; /* warm gold */
  --moon: #FFFFFF; /* clean white */
}

/* ---------- LIGHT PALETTES ---------- */
/* A — Sun-bleached Paper */
html[data-theme="a"][data-mode="light"]{
  --paper:#FAF6EE;
  --ink:#111318;
  --accent:#C4662B; /* terracotta/sunset */
  --muted:#C8C1B4;  /* warm concrete */
}

/* B — Pacific Smog */
html[data-theme="b"][data-mode="light"]{
  --paper:#F3EFE7;
  --ink:#0F1115;
  --accent:#1E6F8C; /* pacific */
  --muted:#B8BDC6;  /* smog */
}

/* C — Palm + Asphalt */
html[data-theme="c"][data-mode="light"]{
  --paper:#F5F2EA;
  --ink:#101217;
  --accent:#2F6B4F; /* palm green */
  --muted:#BDB7AE;  /* asphalt dust */
}

/* ---------- DARK / NIGHT PALETTES ---------- */
/* dn1 — Neon Noir */
html[data-theme="dn1"][data-mode="dark"]{
  --paper:#0B0C10;
  --ink:#F2F2F3;
  --accent:#d24424; /* neon pink */
  --muted:#6D727D;
}

/* dn2 — Midnight Boulevard */
html[data-theme="dn2"][data-mode="dark"]{
  --paper:#0E1016;
  --ink:#F3F1EA;
  --accent:#FFB020; /* sodium amber */
  --muted:#7A7F8A;
}

/* dn3 — Afterhours Pacific */
html[data-theme="dn3"][data-mode="dark"]{
  --paper:#081219;
  --ink:#EAF2F3;
  --accent:#31D1C6; /* teal neon */
  --muted:#5D7782;
}

/* Ensure derived tokens update for ALL themes */
html[data-theme]{
  --border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  --panel:  color-mix(in srgb, var(--paper) 92%, var(--muted));
  --panel2: color-mix(in srgb, var(--paper) 90%, var(--muted));
  --subtext: color-mix(in srgb, var(--ink) 78%, var(--muted));
  --kicker:  color-mix(in srgb, var(--ink) 65%, var(--muted));
}

/* Helps native controls render correctly */
html[data-mode="light"]{ color-scheme: light; }
html[data-mode="dark"] { color-scheme: dark;  }

/* ---------- BASE ---------- */
*{ box-sizing:border-box; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height:1.45;
}
a{ color:inherit; text-decoration:none; }
a:hover{ color:var(--accent); }

.wrap{ max-width:var(--max); margin:0 auto; padding:24px 18px 80px; }

/* ---------- HEADER / NAV ---------- */
header{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: var(--border);
}
.bar{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 18px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.brand{ display:flex; flex-direction:column; gap:2px; letter-spacing:.02em; }
.brand .kicker{
  font-size:12px;
  text-transform:uppercase;
  color: var(--kicker);
}
.brand .title{ font-size:16px; font-weight:600; }

nav{
  display:flex;
  gap:14px;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.navlink{ padding:8px 10px; border-radius:999px; }
.navlink.active{
  border: var(--border);
  background: var(--panel2);
}

/* ---------- PAGE HEAD ---------- */
.pagehead{
  padding: 28px 0 14px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
h1{
  margin:0;
  font-size:30px;
  line-height:1.1;
  letter-spacing:-.02em;
  font-weight:650;
}
.sub{
  margin:0;
  max-width:70ch;
  color: var(--subtext);
  font-size:14px;
}

/* ---------- CONTROLS (SEARCH + CHIPS) ---------- */
.controls{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

.input, .chip{
  border: var(--border);
  border-radius: 999px;
  padding:10px 12px;
  background: var(--panel);
  font-size:13px;
  outline:none;

  /* IMPORTANT: forces correct text color in dark mode */
  color: var(--ink);
}

.input::placeholder{
  color: color-mix(in srgb, var(--ink) 55%, var(--muted));
}

.input{ min-width:240px; }

.chip{
  cursor:pointer;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:12px;

  /* button resets */
  appearance:none;
  -webkit-appearance:none;
  border: var(--border);
}

.chip.active{
  background: color-mix(in srgb, var(--accent) 22%, var(--paper));
  border-color: color-mix(in srgb, var(--accent) 55%, var(--muted));
}

/* ---------- GRID + SECTION HEADINGS ---------- */
.grid{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--g);
}

.sectionhead{
  grid-column: 1 / -1;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border: var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper) 94%, var(--muted));
}
.sectionhead h3{
  margin:0;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.16em;
}
.sectionhead p{
  margin:0;
  font-size:12px;
  color: var(--subtext);
  text-transform:uppercase;
  letter-spacing:.12em;
}

/* ---------- CARDS ---------- */
.card{
  grid-column: span 4;
  border-radius: var(--radius);
  border: var(--border);
  overflow:hidden;
  background: var(--panel);
  display:flex;
  flex-direction:column;
  min-height:320px;
}
.thumb{
  height:150px;
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--accent) 25%, var(--paper)),
    color-mix(in srgb, var(--muted) 45%, var(--paper))
  );
  border-bottom: var(--border);
  position:relative;
}
.thumb::after{
  content:"NEIGHBORHOOD IMAGE";
  position:absolute;
  left:16px; bottom:12px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: var(--kicker);
}
.pad{ padding:16px; }

.toprow{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
}
h2{
  margin:0;
  font-size:16px;
  letter-spacing:-.01em;
}
.zone{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color: var(--kicker);
  white-space:nowrap;
}
.desc{
  margin:10px 0 0;
  font-size:13px;
  color: var(--subtext);
}
.meta{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  padding:6px 9px;
  border: var(--border);
  border-radius:999px;
  background: var(--panel2);
  color: var(--kicker);
}
.card .bottom{
  margin-top:auto;
  padding: 0 16px 16px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  color: var(--kicker);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.dot{
  width:8px;
  height:8px;
  border-radius:999px;
  background: var(--accent);
  opacity:.9;
}

/* ---------- FOOTER ---------- */
footer{
  margin-top:42px;
  padding-top:22px;
  border-top: var(--border);
  color: var(--kicker);
  font-size:12px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  text-transform:uppercase;
  letter-spacing:.12em;
}

/* ---------- TOGGLE (SUN / MOON) ---------- */
.theme-toggle{
  display:flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
  user-select:none;
}

.theme-label{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color: var(--kicker);
}

.switch{
  position:relative;
  width:44px;
  height:26px;
  display:inline-block;
}
.switch input{
  position:absolute;
  opacity:0;
  width:0;
  height:0;
}

.slider{
  position:absolute;
  inset:0;
  border-radius:999px;
  border: var(--border);
  background: var(--panel);
  transition: 220ms ease;
}

/* knob */
.slider::before{
  content:"";
  position:absolute;
  height:20px;
  width:20px;
  left:3px;
  top:3px;
  border-radius:999px;

  /* DAY default = sun */
  background: var(--sun);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 18%, transparent),
              0 2px 10px color-mix(in srgb, var(--sun) 35%, transparent);

  transition: 220ms ease;
}

/* Checked = Night -> moon */
.switch input:checked + .slider{
  background: color-mix(in srgb, var(--accent) 18%, var(--paper));
  border-color: color-mix(in srgb, var(--accent) 40%, var(--muted));
}
.switch input:checked + .slider::before{
  transform: translateX(18px);

  background: var(--moon);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 18%, transparent),
              0 2px 12px color-mix(in srgb, var(--moon) 22%, transparent);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px){
  .card{ grid-column: span 6; }
}
@media (max-width: 640px){
  nav{ gap:6px; }
  .navlink{ padding:8px 8px; }
  .card{ grid-column: span 12; }
  h1{ font-size:26px; }
  .input{ min-width:100%; }
}

/* =========================
   Neighborhood: Rotating Gallery
   ========================= */
.nb-hero{
  overflow:hidden;
}

.nb-gallery{
  position:relative;
  border-bottom: var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  overflow:hidden;
  background: var(--panel);
  min-height: 360px; /* adjust */
}

/* Slide stack */
.nb-slides{
  position:relative;
  height: 360px; /* match min-height */
  background:
    linear-gradient(120deg,
      color-mix(in srgb, var(--accent) 16%, var(--paper)),
      color-mix(in srgb, var(--muted) 45%, var(--paper))
    );
}

.nb-slide{
  position:absolute;
  inset:0;
  margin:0;
  opacity:0;
  transform: scale(1.01);
  transition: opacity 420ms ease, transform 900ms ease;
}

.nb-slide.is-active{
  opacity:1;
  transform: scale(1.0);
}

.nb-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter: saturate(0.95) contrast(1.02);
}

/* UI overlay */
.nb-gallery-ui{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:14px;
  pointer-events:none; /* buttons will re-enable */
}

.nb-gallery-kicker{
  pointer-events:none;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: color-mix(in srgb, var(--ink) 70%, var(--muted));
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  border: var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  backdrop-filter: blur(10px);
}

/* Controls */
.nb-gallery-controls{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:10px;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  border: var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  backdrop-filter: blur(10px);
}

.nb-btn{
  border: var(--border);
  background: color-mix(in srgb, var(--paper) 86%, var(--muted));
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 10px;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.14em;
  cursor:pointer;
}

.nb-btn:hover{ color: var(--accent); }
.nb-btn:active{ transform: translateY(1px); }

.nb-dots{
  display:flex;
  gap:8px;
  align-items:center;
}

.nb-dot{
  width:10px;
  height:10px;
  border-radius: 999px;
  border: var(--border);
  background: color-mix(in srgb, var(--paper) 78%, var(--muted));
  cursor:pointer;
}
.nb-dot.is-active{
  background: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 65%, var(--muted));
}

/* Optional meta under gallery */
.nb-hero-meta{
  padding: 14px 16px 16px;
}
.nb-hero-meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color: var(--subtext);
  font-size:13px;
}
.nb-hero-meta-sep{
  opacity:.6;
}

/* Mobile */
@media (max-width: 640px){
  .nb-slides{ height: 280px; }
  .nb-gallery{ min-height: 280px; }
  .nb-gallery-ui{
    left:10px; right:10px; bottom:10px;
    flex-direction:column;
    align-items:stretch;
  }
  .nb-gallery-controls{
    justify-content:space-between;
  }
}

/* =========================
   FIELD NOTES — ARTICLE LAYOUT
   ========================= */

.article-head{
  padding: 28px 0 8px;
  display:grid;
  gap:10px;
}
.article-title{
  margin:0;
  font-size:30px;
  line-height:1.1;
  letter-spacing:-.02em;
  font-weight:650;
}
.article-deck{
  margin:0;
  max-width: 70ch;
  color: var(--subtext);
  font-size:14px;
}

/* Two-column “field guide” essay */
.essay{
  margin-top: 18px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: var(--g);
  align-items:start;
}

/* Left: continuous text */
.essay-body{
  min-width: 0;
}
.essay-body p{
  margin: 0 0 14px;
  max-width: 72ch;
}
.essay-body h2{
  margin: 22px 0 10px;
  font-size:16px;
  letter-spacing:-.01em;
}
.rule{
  border:0;
  border-top: var(--border);
  margin: 18px 0;
  opacity:.9;
}

/* Right: image rail */
.essay-rail{
  position:sticky;
  top: 86px; /* below header */
  display:grid;
  gap: 14px;
}
.figure{
  border: var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow:hidden;
}
.figure .ph{
  height: 220px;
  background:
    linear-gradient(120deg,
      color-mix(in srgb, var(--accent) 22%, var(--paper)),
      color-mix(in srgb, var(--muted) 50%, var(--paper))
    );
  border-bottom: var(--border);
  position:relative;
}
.figure .ph::after{
  content:"IMAGE PLACEHOLDER";
  position:absolute;
  left:14px;
  bottom:10px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: var(--kicker);
}
figcaption{
  padding: 12px 14px 14px;
  font-size:12px;
  color: var(--subtext);
  line-height:1.35;
}
.fig-kicker{
  display:block;
  margin-bottom:6px;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color: var(--kicker);
}

/* Inline figures that appear only on mobile (under their paragraph) */
.inline-figure{
  display:none;
  margin: 10px 0 16px;
}
.inline-figure .ph{ height: 200px; }

/* Latest block */
.latest{
  margin-top: 28px;
  border-top: var(--border);
  padding-top: 18px;
}
.latest-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 12px;
}
.latest-head h3{
  margin:0;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.16em;
}
.latest-head p{
  margin:0;
  font-size:12px;
  color: var(--subtext);
  text-transform:uppercase;
  letter-spacing:.12em;
}
.latest-list{
  display:grid;
  gap:10px;
}
.latest-item{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding: 12px 14px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}
.latest-item .left{
  display:grid;
  gap:4px;
  min-width: 0;
}
.latest-item .t{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.12em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.latest-item .m{
  font-size:12px;
  color: var(--subtext);
}
.latest-item .r{
  font-size:12px;
  color: var(--kicker);
  text-transform:uppercase;
  letter-spacing:.12em;
  white-space:nowrap;
}

/* Fix: chip text color in night mode (and all modes) */
.chip{
  color: var(--ink);
}

/* Mobile behavior: images go below the paragraph they relate to */
@media (max-width: 900px){
  .essay{
    grid-template-columns: 1fr;
  }
  .essay-rail{
    position:static;
    display:none; /* hide the right rail */
  }
  .inline-figure{
    display:block; /* show inline images */
  }
}

/* --- Theme-Aware Dropdown --- */

/* --- NEW: Smooth Slide & Fade Dropdown --- */

/* 1. The Parent: Keeps the toggle and menu together */
nav .dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%; /* Ensures it aligns with other nav links */
}

/* 2. The Menu: Floating, Hidden, and Animated */
.dropdown-content {
  display: block;        /* Must be block to allow transform, but hidden via visibility */
  visibility: hidden;    /* Hides it from mouse/screen */
  opacity: 0;            /* Fully transparent */
  
  /* The "Slide" Effect: Start 10px higher */
  transform: translateY(-10px); 
  
  /* CRITICAL: Pulls it out of the nav flex flow */
  position: absolute;    
  top: 100%;
  right: 0;
  
  /* Visuals */
  min-width: 200px;
  background: var(--paper);
  border: var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  margin-top: 12px;
  z-index: 9999;
  
  /* The Smooth Animation */
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 3. The Active State (Triggered by JS) */
.dropdown.is-active .dropdown-content {
  visibility: visible;
  opacity: 1;
  transform: translateY(0); /* Slides down into place */
}

/* 4. Link Styling */
.dropdown-content a {
  display: block;
  padding: 12px 16px;
  color: var(--ink);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  border-bottom: var(--border);
  transition: background 0.2s ease;
  text-align: left; /* Ensures text aligns left even if nav is centered */
}

.dropdown-content a:last-child { 
  border-bottom: none; 
}

.dropdown-content a:hover {
  background: var(--panel2);
  color: var(--accent);
}

/* Optional: Rotate the arrow when open */
.dropdown.is-active .arrow {
  display: inline-block;
  transform: rotate(180deg);
  transition: transform 0.2s ease;
}