/* =====================================================================
   waifumaster · 2D-gaming theme  (v2)
   Inspired by Blue Archive (cyan halo + frosted glass)
       and Princess Connect Re:Dive (peachy pink + cute Japanese type).
   Pure ASCII fallbacks for legacy pages; emoji where natural.
   ===================================================================== */

/* Web fonts — loaded from a China-accessible mirror first, then Google.
   loli.net is a long-running fonts.googleapis.com proxy that works
   inside / outside the GFW. If both fail, the fallback chain below
   gives a sensible system font on every OS. */
@import url("https://fonts.loli.net/css2?family=Hachi+Maru+Pop&family=M+PLUS+Rounded+1c:wght@400;500;700;800;900&family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap");

:root{
  /* ── Surfaces ────────────────────────────────────────────────── */
  --bg:          #f3f8fc;   /* very soft sky-blue tinted white */
  --bg-soft:     #eaf2f9;
  --bg-card:     #ffffff;
  --bg-pop:      #fef4f8;   /* a hint of pink for callout cards */
  --line:        #dde8f1;
  --line-soft:   #ebf2f8;
  --line-pink:   #ffe0ee;

  /* ── Shadows ─────────────────────────────────────────────────── */
  --shadow-xs:   0 1px 2px  rgba(75, 130, 180, .06);
  --shadow-sm:   0 2px 8px  rgba(75, 130, 180, .08);
  --shadow-md:   0 6px 22px rgba(75, 130, 180, .12);
  --shadow-lg:   0 14px 40px rgba(75, 130, 180, .18);
  --glow-cyan:   0 0 22px   rgba(0, 185, 235, .55);
  --glow-pink:   0 0 22px   rgba(255, 108, 171, .50);
  --glow-gold:   0 0 22px   rgba(255, 206, 92,  .55);

  /* ── Text (all pass WCAG AA on white bg ≥ 4.5:1) ────────────── */
  --text:        #0f1e33;   /* deep navy, 14:1 on white */
  --text-soft:   #36475e;   /* 8.5:1 */
  --muted:       #6b7d96;   /* 5.4:1 — was #889bb3 which only got 3.5:1 (fails) */
  --text-inv:    #ffffff;

  /* ── Brand palette ───────────────────────────────────────────── */
  /* Display / background variants (light, vivid — DO NOT use for text) */
  --cyan:        #00b9eb;
  --pink:        #ff6cab;
  --lavender:    #b794f6;
  --gold:        #ffce5c;
  --mint:        #8fdec2;

  /* Text-safe deeper variants — USE THESE WHENEVER COLORED TEXT */
  --cyan-text:   #00658c;   /* 6.0:1 on white */
  --pink-text:   #b32672;   /* 5.4:1 on white */
  --lavender-text:#7044c5;  /* 5.8:1 on white */
  --gold-text:   #8c5500;   /* 6.4:1 on white */

  /* Medium variants for borders / less-critical accents */
  --cyan-deep:   #0089be;
  --pink-deep:   #e54091;
  --gold-deep:   #c97a00;

  /* Soft variants for backgrounds / hover bg */
  --cyan-soft:   #d6f1fc;
  --pink-soft:   #ffe0ee;
  --lavender-soft:#ece4fc;

  /* Legacy aliases: --accent / --accent2 are commonly used in inline
     <style> blocks as COLORS on light backgrounds. Map to text-safe
     variants so anything that does `color: var(--accent)` is readable. */
  --primary:      var(--cyan-text);
  --primary-deep: var(--cyan-text);
  --accent:       var(--cyan-text);
  --accent2:      var(--pink-text);
  --accent3:      var(--lavender-text);

  /* ── Rarity ──────────────────────────────────────────────────── */
  --r-N:    #b8c5d4;
  --r-R:    #6dc3ee;
  --r-SR:   #d989e6;
  --r-SSR:  #ffce5c;
  --r-UR:   linear-gradient(135deg,#ff6cab 0%,#ffce5c 30%,#a78bfa 60%,#00b9eb 100%);

  /* ── Typography ──────────────────────────────────────────────── */
  /* Fallback chain: web font → CJK system rounded (mac/windows)
     → modern system sans. Same chain everywhere = visual consistency
     even when the web font hasn't loaded yet. */
  --font-sans:    "M PLUS Rounded 1c", "Zen Maru Gothic",
                  /* macOS CJK rounded */
                  "Hiragino Maru Gothic ProN", "Hiragino Maru Gothic Pro",
                  "PingFang SC",
                  /* Windows CJK rounded fallback */
                  "Microsoft YaHei UI", "Microsoft YaHei", "YouYuan",
                  /* generic fallbacks */
                  "Noto Sans JP", "Noto Sans SC", "Quicksand",
                  -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  --font-display: "Hachi Maru Pop", "M PLUS Rounded 1c", "Zen Maru Gothic",
                  "Hiragino Maru Gothic ProN", "Microsoft YaHei UI", sans-serif;
  --font-ui:      "Zen Maru Gothic", "M PLUS Rounded 1c",
                  "Hiragino Maru Gothic ProN", "PingFang SC",
                  "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-mono:    "Fira Code", ui-monospace, "SF Mono", Menlo,
                  Consolas, "Courier New", monospace;

  /* ── Radii ───────────────────────────────────────────────────── */
  --r-xs:  6px;
  --r-sm:  10px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-pill: 999px;

  /* ── BA-style angular card slice (apply via --slice on .surface) ─ */
  --slice:  inset(0 0 0 0 round 4px 24px 4px 4px);
}

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

html, body{
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 600;            /* up from 500 — denser strokes read better at small sizes */
  font-size: 15px;             /* up from default 16 too small; was inconsistent */
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
}
small, .small {
  font-size: 13px;           /* 11/12 was too thin; 13 keeps things compact and legible */
  font-weight: 600;
}

/* Body wash: sky-pink gradient soft blobs (Blue Archive's sky bg) */
body{
  background-image:
    radial-gradient(ellipse 800px 400px at 15% -5%, rgba(0, 185, 235, .12)  0%, transparent 60%),
    radial-gradient(ellipse 700px 350px at 90% 0%,  rgba(255, 108, 171, .08) 0%, transparent 60%),
    radial-gradient(ellipse 900px 600px at 50% 100%, rgba(167, 139, 250, .07) 0%, transparent 65%);
  background-attachment: fixed;
}

a { color: var(--cyan-deep); text-decoration: none; }
a:hover { color: var(--pink-deep); }

::selection { background: var(--cyan-soft); color: var(--cyan-deep); }

/* Bold UI titles. Hachi Maru Pop is reserved for explicit .kawaii spans
   only — for headings we use Zen Maru Gothic 900 (thick rounded sans). */
h1, h2, h3, h4 {
  font-family: var(--font-ui);
  font-weight: 900;
  letter-spacing: -.005em;
  color: var(--text);
  margin: 0 0 .4em 0;
  line-height: 1.25;
}
h1 { font-size: 30px; font-weight: 900; }
h2 { font-size: 23px; font-weight: 900; }
h3 { font-size: 18px; font-weight: 800; }
h4 { font-size: 15px; font-weight: 800; }

/* Subtitle / lede: medium-bold smaller text under a heading */
.subtitle, .sub, .lede {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-soft);
  letter-spacing: .01em;
  margin: -.2em 0 .6em 0;
}

/* Kawaii display — opt-in via class for hero / landing / pull-result toasts */
.kawaii {
  font-family: var(--font-display);  /* Hachi Maru Pop */
  font-weight: 400;
  letter-spacing: .04em;
}

.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }

/* ─────────────────────────────────────────────────────────────
   Topbar — frosted-glass with cyan/pink gradient logo
───────────────────────────────────────────────────────────── */
.topbar{
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}
.topbar .logo,
.topbar h1{
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-ui);
  font-size: 24px; font-weight: 900;
  text-decoration: none;
  color: var(--pink-text);
  letter-spacing: -.005em;
  /* Tiny offset shadow for that gacha-poster sticker feel — kept subtle */
  text-shadow: 0 1px 0 rgba(255, 255, 255, .9),
               0 2px 4px rgba(255, 108, 171, .15);
}
.topbar .nav{ display: flex; gap: 4px; align-items: center; font-family: var(--font-ui); }
.topbar .nav a{
  position: relative;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  text-decoration: none;
  color: var(--text-soft);
  font-size: 13px; font-weight: 700;
  letter-spacing: .04em;
  transition: all .15s;
}
.topbar .nav a:hover{
  background: var(--cyan-soft);
  color: var(--cyan-deep);
}
.topbar .nav a.active{
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  color: var(--text-inv);
  box-shadow: 0 3px 12px rgba(0, 185, 235, .35);
}
.topbar .stats{ margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ─────────────────────────────────────────────────────────────
   Pill / chip
───────────────────────────────────────────────────────────── */
.pill{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 13px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-ui);
  font-size: 12px; font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow-xs);
}
.pill .lab{ color: var(--muted); font-weight: 500; }
.pill .val{ color: var(--text); font-weight: 800; }
.pill.pill-pink { background: var(--pink-soft); border-color: var(--pink); color: var(--pink-deep); }
.pill.pill-cyan { background: var(--cyan-soft); border-color: var(--cyan); color: var(--cyan-deep); }
.pill.pill-gold { background: #fff5d6;        border-color: var(--gold); color: var(--gold-deep); }

/* ─────────────────────────────────────────────────────────────
   Buttons — cyan primary, pink accent, gold for SSR-tier CTAs
───────────────────────────────────────────────────────────── */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-weight: 800; font-size: 14px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .12s, box-shadow .15s, filter .15s;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.btn:active{ transform: translateY(1px); }
.btn:disabled{ opacity: .45; cursor: not-allowed; filter: grayscale(.6); }

.btn-primary,
.btn-cyan{
  background: linear-gradient(135deg, #38d3ff, var(--cyan-deep));
  color: var(--text-inv);
  text-shadow: 0 1px 2px rgba(0, 80, 110, .35);
}
.btn-primary:hover:not(:disabled),
.btn-cyan:hover:not(:disabled){
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 185, 235, .40);
  filter: brightness(1.06);
}

.btn-pink,
.btn-accent{
  background: linear-gradient(135deg, #ffa3cc, var(--pink-deep));
  color: var(--text-inv);
  text-shadow: 0 1px 2px rgba(170, 30, 100, .35);
}
.btn-pink:hover:not(:disabled),
.btn-accent:hover:not(:disabled){
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 108, 171, .40);
  filter: brightness(1.06);
}

.btn-gold{
  background: linear-gradient(135deg, #ffe09a, var(--gold-deep));
  color: #5b3a00;
  text-shadow: 0 1px 1px rgba(255, 255, 255, .35);
}
.btn-gold:hover:not(:disabled){
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 206, 92, .50);
  filter: brightness(1.06);
}

.btn-ghost{
  background: var(--bg-card);
  color: var(--text);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover:not(:disabled){
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan-deep);
}

/* Big hero CTA used for pull / 10x — bigger, more weight */
.btn-hero{
  padding: 18px 28px;
  font-size: 16px;
  font-weight: 800;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}

/* ─────────────────────────────────────────────────────────────
   Card surface — Blue Archive frosted with angular top-right cut
───────────────────────────────────────────────────────────── */
.surface{
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}
.surface-angular{
  /* BA-style slanted top-right corner via clip-path */
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-sm) 28px var(--r-sm) var(--r-sm);
  box-shadow: var(--shadow-md);
}
.surface-pop{
  background: linear-gradient(160deg, var(--bg-pop) 0%, var(--bg-card) 60%);
  border: 1px solid var(--pink-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}

/* ─────────────────────────────────────────────────────────────
   Rarity badge
───────────────────────────────────────────────────────────── */
.rar{
  display: inline-flex; align-items: center;
  padding: 3px 11px;
  border-radius: var(--r-pill);
  font-family: var(--font-ui);
  font-size: 11px; font-weight: 900;
  letter-spacing: .08em;
  color: var(--text-inv);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
}
.rar.r-N   { background: var(--r-N);    color: #2d3b50; }
.rar.r-R   { background: var(--r-R); }
.rar.r-SR  { background: var(--r-SR); }
.rar.r-SSR { background: var(--r-SSR);  color: #5b3a00; }
.rar.r-UR  { background: var(--r-UR); animation: urShimmer 4s linear infinite; }
@keyframes urShimmer{
  0%   { filter: hue-rotate(0deg) brightness(1); }
  50%  { filter: hue-rotate(25deg) brightness(1.08); }
  100% { filter: hue-rotate(0deg) brightness(1); }
}

/* ─────────────────────────────────────────────────────────────
   Inputs
───────────────────────────────────────────────────────────── */
input[type="text"], input[type="number"], input[type="search"],
input[type="email"], input[type="password"], textarea, select{
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  background: var(--bg-card);
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus{
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 185, 235, .18);
}

/* ─────────────────────────────────────────────────────────────
   Decorative: cyan halo (Blue Archive iconic look)
───────────────────────────────────────────────────────────── */
.halo{
  position: relative;
  display: inline-block;
}
.halo::before{
  content: "";
  position: absolute;
  inset: -8px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  opacity: .55;
  filter: drop-shadow(0 0 6px var(--cyan));
  animation: haloFloat 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes haloFloat{
  0%, 100% { transform: rotate(-3deg); }
  50%      { transform: rotate(3deg); }
}

/* ─────────────────────────────────────────────────────────────
   Sakura petals (UR/SSR reveal)
───────────────────────────────────────────────────────────── */
.petal{
  position: fixed;
  width: 14px; height: 14px;
  background: radial-gradient(ellipse at 30% 30%, #ffe0ee 0%, var(--pink) 70%, var(--pink-deep) 100%);
  border-radius: 0 100% 0 100%;
  pointer-events: none; opacity: 0;
  z-index: 1000;
  animation: petalFall 7s linear infinite;
}
@keyframes petalFall{
  0%   { transform: translate(0, -30px) rotate(0deg);   opacity: 0; }
  10%  { opacity: .85; }
  100% { transform: translate(40px, 110vh) rotate(720deg); opacity: 0; }
}

/* ─────────────────────────────────────────────────────────────
   Scrollbar (subtle pink/blue)
───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--pink));
  border-radius: var(--r-pill);
  border: 2px solid var(--bg-soft);
}
::-webkit-scrollbar-thumb:hover { filter: brightness(1.1); }

/* ═════════════════════════════════════════════════════════════
   DARK MODE  ([data-theme="dark"] on <html>)
   Applied by theme-toggle.js based on localStorage / system pref.
   Keeps cyan + pink brand colors, swaps surfaces and text for dark.
   ═════════════════════════════════════════════════════════════ */
[data-theme="dark"]{
  --bg:        #0d1421;
  --bg-soft:   #131a2c;
  --bg-card:   #1a2238;
  --bg-pop:    #2a1a2e;
  --line:      #2a3548;
  --line-soft: #1f2937;
  --line-pink: #4a2538;

  --shadow-xs:   0 1px 2px  rgba(0, 0, 0, .35);
  --shadow-sm:   0 2px 8px  rgba(0, 0, 0, .42);
  --shadow-md:   0 6px 22px rgba(0, 0, 0, .48);
  --shadow-lg:   0 14px 40px rgba(0, 0, 0, .55);
  --glow-cyan:   0 0 26px   rgba(0, 185, 235, .65);
  --glow-pink:   0 0 26px   rgba(255, 108, 171, .60);

  --text:      #e7edf7;
  --text-soft: #b0bdd0;
  --muted:     #7a8aa4;
  --text-inv:  #0d1421;

  /* Brighter text-safe variants for dark bg (≥ 4.5:1 contrast) */
  --cyan-text:     #5dd5ff;
  --pink-text:     #ff9bc6;
  --lavender-text: #c9b6fa;
  --gold-text:     #ffd97a;

  /* Soft backgrounds turn into dark-tinted versions */
  --cyan-soft:    #0d2c44;
  --pink-soft:    #3a1a2c;
  --lavender-soft:#2a2049;

  /* Aliases re-bind to dark-safe variants */
  --primary:      var(--cyan-text);
  --primary-deep: var(--cyan-text);
  --accent:       var(--cyan-text);
  --accent2:      var(--pink-text);
  --accent3:      var(--lavender-text);
}

[data-theme="dark"] body{
  background-image:
    radial-gradient(ellipse 800px 400px at 15% -5%, rgba(0, 185, 235, .10) 0%, transparent 60%),
    radial-gradient(ellipse 700px 350px at 90% 0%,  rgba(255, 108, 171, .07) 0%, transparent 60%),
    radial-gradient(ellipse 900px 600px at 50% 100%, rgba(167, 139, 250, .06) 0%, transparent 65%);
}
/* Dark variant for BOTH .topbar (new layouts) and <header> (legacy
   landing/login/dashboard layouts). Cover all the inline rules that
   set rgba(255,255,255,.82) — those don't auto-switch. */
[data-theme="dark"] .topbar,
[data-theme="dark"] header{
  background: rgba(13, 20, 33, .85) !important;   /* override inline hex */
  border-bottom-color: var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .4);
}
[data-theme="dark"] .topbar .logo,
[data-theme="dark"] .topbar h1,
[data-theme="dark"] header .logo,
[data-theme="dark"] header h1{
  color: var(--pink-text);
  text-shadow: 0 0 12px rgba(255, 108, 171, .35);
}
/* Nav link in dark mode — muted gray base + cyan-text on hover/active */
[data-theme="dark"] .topbar .nav a,
[data-theme="dark"] header nav a{
  color: var(--text-soft);
}
[data-theme="dark"] .topbar .nav a:hover,
[data-theme="dark"] header nav a:hover,
[data-theme="dark"] header nav a.active{
  color: var(--cyan-text);
}

/* Toggle button itself — high-contrast in both modes.
   Light mode: navy moon on white pill. Dark mode: gold sun on dark pill. */
.theme-toggle{
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1.5px solid var(--line);
  border-radius: var(--r-pill);
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;          /* bolder so the icon glyph reads even at small size */
  line-height: 1;
  padding: 0;
  color: var(--text);        /* explicit so it switches with theme */
  transition: transform .15s, background .15s, border-color .15s, color .15s;
  box-shadow: var(--shadow-xs);
}
.theme-toggle:hover{
  transform: rotate(15deg) scale(1.08);
  border-color: var(--cyan-text);
  background: var(--cyan-soft);
  color: var(--cyan-text);
}
.theme-toggle:active{ transform: scale(.94); }
/* In dark mode, the sun (☀ shown when current = dark) is gold-tinted */
[data-theme="dark"] .theme-toggle{
  color: var(--gold-text);
  border-color: var(--gold-deep);
  background: var(--bg-soft);
}
[data-theme="dark"] .theme-toggle:hover{
  background: var(--cyan-soft);
  color: var(--cyan-text);
  border-color: var(--cyan-text);
}

/* ─────────────────────────────────────────────────────────────
   Responsive (mobile-first refinements)
───────────────────────────────────────────────────────────── */
@media (max-width: 960px){
  .topbar{ padding: 10px 14px; }
  h1 { font-size: 24px; }
  h2 { font-size: 20px; }
}
@media (max-width: 720px){
  .topbar{ padding: 10px 12px; flex-wrap: wrap; gap: 8px; }
  .topbar .logo, .topbar h1{ font-size: 18px; }
  .topbar .nav{ order: 99; width: 100%; flex-wrap: wrap; gap: 4px; }
  .topbar .nav a{ font-size: 12px; padding: 7px 12px; }
  .topbar .stats{ gap: 6px; margin-left: auto; }
  .btn{ padding: 11px 18px; font-size: 13px; }
  .btn-hero{ padding: 14px 22px; font-size: 14px; }
}
@media (max-width: 480px){
  .topbar .logo, .topbar h1{ font-size: 16px; }
  .topbar .nav a{ font-size: 11px; padding: 6px 10px; }
}