/*
Theme Name: Simple Webnovel – Neon Noir
Theme URI: https://example.com/
Author: OpenAI
Description: A cyberpunk night-neon reading-hall theme for Simple Webnovel. Glowing accent, glassmorphic panels, scan-line cards, ambient reader tones.
Version: 1.0.0
License: GPL2+
Text Domain: simple-webnovel-neon-noir
*/

:root {
  --bg: #0a0c12;
  --surface: #11141d;
  --surface-2: #171b28;
  --text: #e8ecf5;
  --text-soft: #93a0b8;
  --line: #232a3a;
  --line-strong: #33405a;
  --neon: #00e5ff;
  --neon-dim: #00e5ff55;
  --magenta: #ff3df2;
  --amber: #ffc857;
  --ok: #35e0a8;
  --shadow-1: 0 1px 0 rgba(0,0,0,.4), 0 0 0 1px #1b2333;
  --shadow-2: 0 12px 40px rgba(0,0,0,.6), 0 0 18px var(--neon-dim);
  --max: 1160px;
  --reader-width: 760px;
  --mono: "JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --logo-height-desktop: 44px;
  --logo-height-mobile: 36px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, #14224a 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 30%, #3a0f33 0%, transparent 55%),
    var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--neon); }
img { max-width: 100%; display: block; }
h1,h2,h3 { margin: 0 0 .5em; line-height: 1.25; font-weight: 700; letter-spacing: .01em; }

:focus-visible { outline: 2px solid var(--neon); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--neon-dim); color: #fff; }

.nn-skip {
  position: absolute; left: 12px; top: 12px; z-index: 100;
  background: var(--neon); color: #001; padding: 8px 14px; border-radius: 6px;
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  transform: translateY(-200%); transition: transform .18s ease;
}
.nn-skip:focus { transform: translateY(0); color: #001; }

.nn-wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ------------------------------------------------------------ header */
.nn-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10,12,18,.82);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(0,0,0,.4);
}
.nn-header__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 20px;
  height: 64px; display: flex; align-items: center; gap: 16px;
}
.nn-brand { display: flex; align-items: center; gap: 8px; flex: none; }
.nn-brand__link { display: inline-flex; align-items: center; gap: 8px; }
.nn-brand__mark { color: var(--neon); text-shadow: 0 0 10px var(--neon); font-size: 22px; line-height: 1; }
.nn-brand__name {
  font-size: 19px; font-weight: 800; letter-spacing: .02em;
  font-family: var(--mono); color: #fff;
}
.nn-logo { display: block; }
.nn-logo img { height: var(--logo-height-desktop); width: auto; }
.nn-menu-toggle {
  display: none; margin-left: auto; height: 40px; padding: 0 14px;
  border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface);
  color: var(--neon); font-family: var(--mono); font-size: 12px; cursor: pointer;
}
.nn-nav { margin-left: auto; }
.nn-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nn-nav li a {
  display: block; padding: 8px 14px; border-radius: 6px; font-family: var(--mono);
  font-size: 13px; color: var(--text-soft); border: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.nn-nav li a:hover { color: var(--neon); border-color: var(--line-strong); background: var(--surface); }

/* ------------------------------------------------------------ main */
.nn-main { min-height: 62vh; padding: 40px 0 64px; }

.nn-masthead { margin: 8px 0 36px; border-left: 3px solid var(--neon); padding-left: 18px; }
.nn-masthead__label { font-family: var(--mono); font-size: 12px; color: var(--neon); display: block; margin-bottom: 8px; letter-spacing: .08em; }
.nn-masthead__title { font-family: var(--mono); font-size: 34px; color: #fff; margin: 0 0 4px; letter-spacing: .02em; }
.nn-masthead__sub { margin: 0; color: var(--text-soft); font-family: var(--mono); font-size: 13px; }

.nn-archive-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.nn-archive-title { font-family: var(--mono); font-size: 22px; color: #fff; margin: 0; }
.nn-archive-meta { margin: 0; color: var(--text-soft); font-family: var(--mono); font-size: 13px; }

/* ------------------------------------------------------ grid cards */
.nn-grid {
  display: grid; gap: 28px 20px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}
.nn-card {
  position: relative; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-1);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.nn-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--neon-dim); }
.nn-card__cover { position: relative; display: block; aspect-ratio: 16/10; overflow: hidden; background: #10141f; }
.nn-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; opacity: .85; }
.nn-card:hover .nn-card__cover img { transform: scale(1.05); opacity: 1; }
.nn-card__cover--blank {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-soft); font-family: var(--mono); font-size: 12px; letter-spacing: .2em;
}
.nn-card__scan {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 0, rgba(0,229,255,.06) 48%, transparent 52%);
  background-size: 100% 6px;
  opacity: 0; transition: opacity .2s ease;
}
.nn-card:hover .nn-card__scan { opacity: 1; }
.nn-card__body { padding: 14px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.nn-card__title { font-size: 17px; color: #fff; margin: 0 0 6px; }
.nn-card__title a:hover { color: var(--neon); }
.nn-card__desc {
  margin: 0 0 14px; color: var(--text-soft); font-size: 13px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.nn-card__enter {
  margin-top: auto; font-family: var(--mono); font-size: 12px; color: var(--neon);
  letter-spacing: .06em; text-transform: uppercase;
}
.nn-card__enter:hover { text-shadow: 0 0 10px var(--neon); }

/* ------------------------------------------------------ detail hero */
.nn-hero {
  display: flex; gap: 28px; align-items: flex-start;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); border-radius: 14px; padding: 26px;
  box-shadow: var(--shadow-1);
}
.nn-hero__cover { flex: none; width: 200px; }
.nn-hero__cover img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 10px;
  box-shadow: 0 0 0 1px var(--line-strong), 0 14px 40px rgba(0,0,0,.5);
  border: 1px solid var(--neon-dim);
}
.nn-hero__cover--blank { width: 100%; aspect-ratio: 3/4; border-radius: 10px; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; color: var(--text-soft); font-family: var(--mono); font-size: 12px; }
.nn-hero__info { flex: 1; min-width: 0; }
.nn-hero__kicker { font-family: var(--mono); font-size: 12px; color: var(--neon); letter-spacing: .12em; text-transform: uppercase; }
.nn-hero__title { font-family: var(--mono); font-size: 30px; color: #fff; margin: 6px 0 8px; }
.nn-hero__meta { font-family: var(--mono); font-size: 13px; color: var(--amber); margin: 0 0 16px; }
.nn-hero__desc { color: var(--text); font-size: 15px; line-height: 1.7; }
.nn-hero__actions { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }
.nn-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px;
  border-radius: 8px; font-family: var(--mono); font-size: 13px; font-weight: 700;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--text);
  cursor: pointer; transition: border-color .15s ease, color .15s ease, background .15s ease, box-shadow .15s ease;
}
.nn-btn:hover { color: var(--neon); border-color: var(--neon-dim); }
.nn-btn--primary { background: var(--neon); border-color: var(--neon); color: #001; box-shadow: 0 0 18px var(--neon-dim); }
.nn-btn--primary:hover { background: #4af0ff; color: #001; box-shadow: 0 0 26px var(--neon); }
.nn-btn--ghost { background: transparent; }
.nn-btn--ghost:hover { background: var(--surface); }

/* ------------------------------------------------------ catalog */
.nn-catalog { margin-top: 40px; }
.nn-catalog__head { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.nn-catalog__title { font-family: var(--mono); font-size: 22px; color: #fff; margin: 0; }
.nn-catalog__tools { display: flex; gap: 12px; align-items: center; margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--text-soft); flex-wrap: wrap; }
.nn-catalog__tools select, .nn-catalog__tools input {
  background: var(--surface); color: var(--text); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 8px 10px; font: inherit; font-size: 12px;
}
.nn-catalog__tools button {
  background: var(--neon); color: #001; border: 0; border-radius: 6px; padding: 8px 16px;
  font-family: var(--mono); font-size: 12px; font-weight: 700; cursor: pointer;
}
.nn-chapters {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.nn-chapters li { border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); overflow: hidden; }
.nn-chapters a {
  display: flex; align-items: center; gap: 12px; padding: 12px 6px;
  transition: border-color .12s ease, color .12s ease, background .12s ease;
}
.nn-chapters a:hover { background: #101625; color: var(--neon); }
.nn-chapters__num { flex: 1; font-size: 14px; color: var(--text); }
.nn-chapters__go { color: var(--neon); font-family: var(--mono); opacity: 0; transition: opacity .12s ease; }
.nn-chapters li:hover .nn-chapters__go { opacity: 1; }

/* ------------------------------------------------------ pagination */
.nn-pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 32px 0 8px; }
.nn-pagination .page-numbers {
  min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface);
  color: var(--text-soft); font-family: var(--mono); font-size: 13px; padding: 0 12px;
}
.nn-pagination .page-numbers:hover { border-color: var(--neon); color: var(--neon); }
.nn-pagination .page-numbers.current { background: var(--neon); border-color: var(--neon); color: #001; box-shadow: 0 0 16px var(--neon-dim); }
.nn-pagination .page-numbers.dots { border-color: transparent; background: transparent; }
.nn-pagination--catalog { justify-content: flex-start; }

.nn-empty { color: var(--text-soft); font-family: var(--mono); font-size: 13px; text-align: center; padding: 40px 0; }

/* ------------------------------------------------------ reader */
.nn-reader { max-width: var(--reader-width); }
.nn-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; }
.nn-progress__bar { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--neon), var(--magenta)); transform-origin: 0 50%; transform: scaleX(0); box-shadow: 0 0 12px var(--neon); }
.nn-reader__head { padding: 8px 0 18px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.nn-reader__kicker { font-family: var(--mono); font-size: 11px; color: var(--neon); letter-spacing: .12em; display: block; margin-bottom: 8px; }
.nn-reader__title { font-family: var(--mono); font-size: 26px; color: #fff; margin: 0; }

.nn-reader__settings { margin-bottom: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.nn-reader__settings summary { cursor: pointer; padding: 12px 16px; font-family: var(--mono); font-size: 12px; color: var(--neon); }
.nn-reader__settings-inner { padding: 4px 16px 16px; color: var(--text-soft); font-family: var(--mono); font-size: 12px; }
.nn-reader__settings-inner label { display: block; margin: 12px 0 4px; }
.nn-reader__settings-inner input[type=range] { width: 100%; }
.nn-reader__tones { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.nn-reader__tones button {
  padding: 8px 14px; border-radius: 6px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--text-soft); font-family: var(--mono); font-size: 11px; cursor: pointer;
}
.nn-reader__tones button[aria-pressed="true"] { border-color: var(--neon); color: var(--neon); box-shadow: 0 0 10px var(--neon-dim); }

.nn-reader__body { }
.nn-reader__content {
  font-size: var(--reader-size, 19px); line-height: var(--reader-leading, 1.9);
  color: var(--text); max-width: 60ch; margin: 0 auto;
  word-wrap: break-word; overflow-wrap: break-word;
}
.nn-reader__content p { margin: 0 0 1.15em; }
.nn-reader__end { text-align: center; color: var(--text-soft); font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; margin: 40px 0 20px; }
.nn-reader__nav { display: flex; gap: 12px; flex-wrap: wrap; align-items: stretch; margin: 28px 0; }

/* reader tones via .nn-reader[data-tone] */
.nn-reader[data-tone="magenta"] { --neon: var(--magenta); }
.nn-reader[data-tone="amber"] { --neon: var(--amber); }

/* ------------------------------------------------------ footer */
.nn-footer { border-top: 1px solid var(--line); background: rgba(6,8,12,.7); padding: 28px 0; margin-top: 40px; }
.nn-footer__inner { display: flex; justify-content: center; text-align: center; }
.nn-footer__inner div { color: var(--text-soft); font-family: var(--mono); font-size: 12px; }
.nn-footer__mark { color: var(--neon); }

/* ------------------------------------------------------ responsive */
@media (max-width: 820px) {
  .nn-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
  .nn-hero { flex-direction: column; }
  .nn-hero__cover { width: 140px; }
}
@media (max-width: 700px) {
  .nn-menu-toggle { display: block; }
  .nn-nav { position: absolute; left: 0; right: 0; top: 64px; margin: 0; }
  .nn-nav ul { flex-direction: column; gap: 2px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 14px; display: none; }
  .nn-nav.is-open ul { display: flex; }
  .nn-nav li a { padding: 12px 10px; }
  .nn-masthead__title { font-size: 24px; }
  .nn-reader__nav .nn-btn { flex: 1 1 auto; justify-content: center; min-height: 46px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}