/* ════════════════════════════════════════════════════
   云栖小站 — Hydro 风格
   灵感：kenkin.cn (Hydro Minim Theme)
   ════════════════════════════════════════════════════ */

:root {
  --hydro-light-bg: #F3F3F3;
  --hydro-dark-bg: #101112;

  --hydro-bg: var(--hydro-light-bg);
  --hydro-solid: #000;
  --hydro-solid-contrast: #fff;
  --hydro-text: var(--hydro-solid);
  --hydro-ink-rgb: 0 0 0;
  --hydro-paper-rgb: 255 255 255;
  --hydro-shadow-rgb: 0 0 0;
  --hydro-muted: rgb(var(--hydro-ink-rgb) / 60%);
  --hydro-faint: rgb(var(--hydro-ink-rgb) / 10%);
  --accent: var(--hydro-accent);
  --accent-hover: var(--hydro-highlight-solid);

  --hydro-coral: #0969da;
  --hydro-coral-rgb: 9 105 218;
  --hydro-accent: var(--hydro-coral);
  --hydro-accent-rgb: var(--hydro-coral-rgb);
  --hydro-highlight-bg: rgb(var(--hydro-accent-rgb) / 13%);
  --hydro-highlight-soft: rgb(var(--hydro-accent-rgb) / 8%);
  --hydro-highlight-line: rgb(var(--hydro-accent-rgb) / 42%);
  --hydro-highlight-solid: color-mix(in srgb, var(--hydro-accent) 82%, var(--hydro-solid) 18%);
  --hydro-link-text: color-mix(in srgb, var(--hydro-solid) 86%, var(--hydro-accent) 14%);
  --hydro-link-underline: rgb(var(--hydro-accent-rgb) / 46%);
  --hydro-focus-border: rgb(var(--hydro-accent-rgb) / 54%);
  --hydro-focus-shadow: 0 0 0 1px rgb(var(--hydro-accent-rgb) / 50%), 0 0 0 4px rgb(var(--hydro-accent-rgb) / 13%);

  --hydro-teal: #1a7f37;
  --hydro-teal-rgb: 26 127 55;
  --hydro-yellow: #ffe66d;

  --hydro-line: rgb(var(--hydro-ink-rgb) / 12%);
  --hydro-line-soft: rgb(var(--hydro-ink-rgb) / 8%);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
  --font-mono: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --transition: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  --nav-height: 54px;

  color-scheme: light;

  /* legacy compat vars for inline modal styles */
  --bg-card: rgb(var(--hydro-paper-rgb) / 90%);
  --bg: var(--hydro-bg);
  --text: var(--hydro-text);
  --text-secondary: var(--hydro-muted);
  --text-tertiary: rgb(var(--hydro-ink-rgb) / 42%);
  --border: var(--hydro-line);
  --accent-soft: var(--hydro-highlight-bg);
  --danger: #e03e2f;
  --shadow: 0 8px 24px rgb(var(--hydro-shadow-rgb) / 10%);
  --transition: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

:root {
  color-scheme: light;
}

.dark,:root[data-theme="dark"] {
  --hydro-bg: var(--hydro-dark-bg);
  --hydro-solid: #f5f3ef;
  --hydro-solid-contrast: #101112;
  --hydro-text: var(--hydro-solid);
  --hydro-ink-rgb: 245 243 239;
  --hydro-paper-rgb: 18 19 20;
  --hydro-shadow-rgb: 0 0 0;
  --hydro-muted: rgb(var(--hydro-ink-rgb) / 66%);
  --hydro-faint: rgb(var(--hydro-ink-rgb) / 14%);
  --accent: var(--hydro-accent);
  --accent-hover: var(--hydro-highlight-solid);
  --hydro-accent: #58a6ff;
  --hydro-coral: #58a6ff;
  --hydro-coral-rgb: 88 166 255;
  --hydro-accent-rgb: var(--hydro-coral-rgb);
  --hydro-highlight-bg: rgb(var(--hydro-accent-rgb) / 17%);
  --hydro-highlight-soft: rgb(var(--hydro-accent-rgb) / 10%);
  --hydro-highlight-line: rgb(var(--hydro-accent-rgb) / 50%);
  --hydro-highlight-solid: color-mix(in srgb, var(--hydro-accent) 74%, var(--hydro-solid) 26%);
  --hydro-link-text: color-mix(in srgb, var(--hydro-solid) 84%, var(--hydro-accent) 16%);
  --hydro-link-underline: rgb(var(--hydro-accent-rgb) / 54%);
  --hydro-focus-border: rgb(var(--hydro-accent-rgb) / 60%);
  --hydro-focus-shadow: 0 0 0 1px rgb(var(--hydro-accent-rgb) / 54%), 0 0 0 4px rgb(var(--hydro-accent-rgb) / 16%);
  --hydro-line: rgb(var(--hydro-ink-rgb) / 14%);
  --hydro-line-soft: rgb(var(--hydro-ink-rgb) / 10%);
  --hydro-teal: #3fb950;
  --hydro-teal-rgb: 63 185 80;
  --hydro-yellow: #fff0a6;

  color-scheme: dark;

  /* legacy compat vars for inline modal styles */
  --bg-card: rgb(var(--hydro-paper-rgb) / 90%);
  --bg: var(--hydro-bg);
  --text: var(--hydro-text);
  --text-secondary: var(--hydro-muted);
  --text-tertiary: rgb(var(--hydro-ink-rgb) / 42%);
  --border: var(--hydro-line);
  --accent-soft: var(--hydro-highlight-bg);
  --danger: #ff453a;
  --shadow: 0 8px 24px rgb(var(--hydro-shadow-rgb) / 10%);
  --transition: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--hydro-bg);color:var(--hydro-text);
  -webkit-font-smoothing:antialiased;line-height:1.6;min-height:100vh;
  transition:background var(--transition),color var(--transition);overflow-x:hidden;
  padding-top:3.5rem;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.hydro-menu-lock{overscroll-behavior:none;overflow:hidden}
::selection{background:var(--hydro-highlight-bg);color:var(--hydro-text)}

/* Container */
.container{width:min(100% - 3rem, 80rem);margin-inline:auto;padding-top:3.5rem}

/* Grain Overlay */
.grain-overlay{
  pointer-events:none;position:fixed;inset:0;z-index:9999;
  opacity:.085;mix-blend-mode:multiply;
  background-image:url(data:image/svg+xml,%3Csvg viewBox=0 0 180 180 xmlns=http://www.w3.org/2000/svg%3E%3Cfilter id=noiseFilter%3E%3CfeTurbulence type=fractalNoise baseFrequency=0.82 numOctaves=3 stitchTiles=stitch/%3E%3CfeColorMatrix type=saturate values=0/%3E%3C/filter%3E%3Crect width=100%25 height=100%25 opacity=.82 filter=url(%23noiseFilter)/%3E%3C/svg%3E);
}
.dark .grain-overlay{opacity:.055;mix-blend-mode:screen}

/* Navigation */
nav{position:fixed;top:.6rem;left:clamp(1rem,8vw,12rem);right:clamp(1rem,8vw,12rem);z-index:100;padding:.6rem 1.2rem;background:rgb(var(--hydro-paper-rgb) / 80%);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);border:1px solid rgb(var(--hydro-ink-rgb) / 8%);box-shadow:0 8px 24px rgb(var(--hydro-shadow-rgb) / 8%);border-radius:999px;width:auto;}
nav .inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:80rem;margin:0 auto;
}
nav.is-scrolled{
  box-shadow:0 12px 36px rgb(var(--hydro-shadow-rgb) / 14%);
  background:rgb(var(--hydro-paper-rgb) / 92%);
}
nav .logo{
  font-family:var(--font-mono);font-size:clamp(1rem,1.4vw,1.25rem);
  font-weight:650;color:var(--hydro-text);
  display:flex;align-items:center;gap:.5rem;white-space:nowrap;
}
nav .logo svg{width:1.25rem;height:1.25rem;color:var(--hydro-accent)}
nav .right{display:flex;align-items:center;gap:.25rem}
nav .links{display:flex;align-items:center;gap:0}
nav .links a{
  padding:.5rem .85rem;font-size:.86rem;font-weight:500;
  color:rgb(var(--hydro-ink-rgb) / 72%);
  transition:color var(--transition);white-space:nowrap;border-radius:var(--radius-sm);
}
nav .links a:hover{color:var(--hydro-text);background:var(--hydro-faint)}
nav .links a.active{color:var(--hydro-text)}
.theme-btn{
  width:2rem;height:2rem;border-radius:var(--radius-full);
  border:1px solid var(--hydro-line);
  background:rgb(var(--hydro-paper-rgb) / 54%);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:.85rem;
  color:rgb(var(--hydro-ink-rgb) / 68%);
  transition:all var(--transition);margin-left:.5rem;flex-shrink:0;
}
.theme-btn:hover{background:var(--hydro-highlight-soft);border-color:var(--hydro-accent);color:var(--hydro-accent)}
.hamburger{display:none;background:none;border:none;padding:.5rem;cursor:pointer;color:rgb(var(--hydro-ink-rgb) / 68%)}
.hamburger svg{width:1.25rem;height:1.25rem}

/* Hero */
.hero{padding:4rem 2rem 6rem;text-align:center;max-width:48rem;margin:0 auto}
.hero-title{
  font-family:var(--font-mono);font-size:clamp(2.5rem,7vw,4rem);
  font-weight:650;letter-spacing:-.04em;line-height:1.08;
  color:var(--hydro-text);margin-bottom:1rem;
}
.hero-desc{
  font-size:clamp(1rem,1.8vw,1.2rem);color:var(--hydro-muted);
  max-width:34rem;margin:0 auto 2.5rem;line-height:1.6;
}

/* Status bar */
.hero-status{
  display:inline-flex;align-items:center;gap:1rem;
  padding:.6rem 1.2rem;border:1px solid var(--hydro-line);
  border-radius:var(--radius-full);
  background:rgb(var(--hydro-paper-rgb) / 54%);
  font-size:.86rem;margin-bottom:2rem;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-status .sep{width:1px;height:1.25rem;background:var(--hydro-line)}
.hero-status .stat{color:var(--hydro-muted)}
.hero-status .stat strong{color:var(--hydro-text);font-weight:600}

/* Connect box */
.connect-box{
  display:flex;align-items:center;gap:0;max-width:28rem;margin:0 auto;
  border:1px solid var(--hydro-line);border-radius:var(--radius-full);overflow:hidden;
  background:rgb(var(--hydro-paper-rgb) / 54%);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:border-color var(--transition),box-shadow var(--transition);
}
.connect-box:focus-within{border-color:var(--hydro-accent);box-shadow:var(--hydro-focus-shadow)}
.connect-box select{
  flex:1;padding:.7rem 1rem;border:none;background:transparent;
  color:var(--hydro-text);font-family:var(--font-mono);
  font-size:.86rem;cursor:pointer;outline:none;min-width:0;
}
.connect-box button{
  padding:.7rem 1.25rem;border:none;border-left:1px solid var(--hydro-line);
  background:transparent;color:var(--hydro-accent);
  font-family:var(--font);font-size:.86rem;font-weight:600;cursor:pointer;
  transition:background var(--transition);white-space:nowrap;
}
.connect-box button:hover{background:var(--hydro-highlight-soft)}
.connect-box button.done{color:var(--hydro-teal)}

/* Quick links */
.quick-links{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-top:3rem;}
.quick-links a{
  display:inline-flex;align-items:center;gap:.5rem;padding:.55rem 1.1rem;
  border:1px solid var(--hydro-line);border-radius:var(--radius-full);
  color:var(--hydro-muted);font-size:.82rem;transition:all var(--transition);
  background:rgb(var(--hydro-paper-rgb) / 36%);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.quick-links a:hover{border-color:var(--hydro-accent);color:var(--hydro-accent);background:var(--hydro-highlight-soft)}
.quick-links a svg{width:.9rem;height:.9rem}

.app{max-width:50rem;margin:0 auto;padding:0 1.5rem}
@media(max-width:734px){.app{padding:0 .75rem}}

/* Cards */
.card{
  background:rgb(var(--hydro-paper-rgb) / 68%);
  -webkit-backdrop-filter:blur(12px) saturate(1.08);
  backdrop-filter:blur(12px) saturate(1.08);
  border:1px solid var(--hydro-line);border-radius:var(--radius-lg);
  padding:1.5rem;margin-bottom:1rem;
  transition:background var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.card:hover{box-shadow:0 8px 24px rgb(var(--hydro-shadow-rgb) / 6%)}

/* Page wrapper for fixed nav spacing */


/* Page wrapper for fixed nav spacing */

.card-header{
  display:flex;align-items:center;gap:.5rem;
  font-size:.86rem;font-weight:650;color:var(--hydro-text);
  margin-bottom:1rem;padding-bottom:.6rem;
  border-bottom:1px solid var(--hydro-line-soft);
}
.card-header svg{width:1rem;height:1rem;color:var(--hydro-accent)}
.section-title{
  font-size:.86rem;font-weight:650;color:var(--hydro-text);
  margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;
}
.section-title svg{width:1rem;height:1rem;color:var(--hydro-accent)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.5rem 1rem;border-radius:var(--radius-full);
  font-size:.82rem;font-weight:600;cursor:pointer;
  transition:all var(--transition);white-space:nowrap;
  font-family:inherit;line-height:1.4;border:1px solid var(--hydro-line);
}
.btn-primary{background:var(--hydro-accent);color:var(--hydro-solid-contrast);border-color:var(--hydro-accent)}
.btn-primary:hover{filter:brightness(1.1)}
.btn-outline{
  background:rgb(var(--hydro-paper-rgb) / 54%);
  color:var(--hydro-text);border:1px solid var(--hydro-line);
}
.btn-outline:hover{background:var(--hydro-highlight-soft);border-color:var(--hydro-accent);color:var(--hydro-accent)}

/* Tags */
.tag{
  display:inline-flex;align-items:center;gap:.25rem;
  padding:.15rem .55rem;border-radius:var(--radius-full);
  font-size:.75rem;font-weight:600;line-height:1.5;
  background:var(--hydro-highlight-soft);color:var(--hydro-accent);
  border:1px solid transparent;
}
.tag.green{color:var(--hydro-teal);background:rgb(var(--hydro-teal-rgb) / 12%)}
.tag .dot{width:.4rem;height:.4rem;border-radius:50%;background:currentColor}

/* Player list */
.player-list{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.75rem}
.player-item{
  display:inline-flex;align-items:center;gap:.3rem;
  padding:.15rem .6rem .15rem .15rem;border-radius:var(--radius-full);
  background:rgb(var(--hydro-paper-rgb) / 54%);
  font-size:.8rem;border:1px solid var(--hydro-line);
}
.player-item img{width:1.25rem;height:1.25rem;border-radius:50%}
.cmd-tag{
  font-family:var(--font-mono);font-size:.78rem;
  padding:.15rem .5rem;background:var(--hydro-highlight-soft);
  color:var(--hydro-accent);border-radius:var(--radius-sm);
}

/* Announcements */
.ann-item{padding:.9rem 0}
.ann-item+.ann-item{border-top:1px solid var(--hydro-line-soft)}
.ann-item.pinned{background:var(--hydro-highlight-soft);margin:-.9rem 0 0;padding:.9rem;border-radius:var(--radius)}
.ann-title{font-size:.92rem;font-weight:600;color:var(--hydro-text)}
.ann-meta{font-size:.72rem;color:var(--hydro-muted)}
.ann-body{font-size:.84rem;color:var(--hydro-muted);margin-top:.3rem}

/* Entry grid */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media(max-width:680px){.entry-grid{grid-template-columns:1fr}}
.entry-card{
  padding:1.5rem;border:1px solid var(--hydro-line);
  border-radius:var(--radius);text-align:center;
  transition:all var(--transition);
  display:block;text-decoration:none;
  background:rgb(var(--hydro-paper-rgb) / 36%);
}
.entry-card:hover{border-color:var(--hydro-accent);background:var(--hydro-highlight-soft);transform:translateY(-2px)}
.entry-card svg{width:1.5rem;height:1.5rem;color:var(--hydro-accent);margin-bottom:.5rem}
.entry-card .name{font-size:.92rem;font-weight:650;color:var(--hydro-text);margin-bottom:.15rem}
.entry-card .desc{font-size:.78rem;color:var(--hydro-muted)}

/* Toast */
.toast{
  position:fixed;bottom:2rem;left:50%;transform:translateX(-50%);
  background:rgb(var(--hydro-paper-rgb) / 90%);
  -webkit-backdrop-filter:blur(18px) saturate(1.08);
  backdrop-filter:blur(18px) saturate(1.08);
  border:1px solid var(--hydro-line);color:var(--hydro-text);
  padding:.6rem 1.2rem;border-radius:var(--radius-full);
  font-size:.82rem;z-index:300;opacity:0;pointer-events:none;
  box-shadow:0 1rem 2.2rem rgb(var(--hydro-shadow-rgb) / 12%);
  transition:all .28s cubic-bezier(0.16,1,0.3,1);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Loading / Spinner */
.loading{text-align:center;padding:1.25rem;color:var(--hydro-muted);font-size:.84rem}
.spinner{
  display:inline-block;width:1rem;height:1rem;margin-right:.4rem;
  border:2px solid var(--hydro-line);
  border-top-color:var(--hydro-accent);border-radius:50%;
  animation:spin .6s linear infinite;vertical-align:middle;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Scroll Reveal */
.reveal{opacity:0;transform:translateY(1.25rem);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal:nth-child(2){transition-delay:.05s}
.reveal:nth-child(3){transition-delay:.1s}
.reveal:nth-child(4){transition-delay:.15s}
.reveal:nth-child(5){transition-delay:.2s}
.reveal:nth-child(6){transition-delay:.25s}

/* Footer */
footer{text-align:center;padding:2rem 1.5rem;color:var(--hydro-muted);font-size:.75rem;margin-top:1rem}

/* Responsive */
@media(max-width:734px){
  .container{width:min(100% - 1.5rem, 48rem);padding-top:3rem}
  nav{left:.5rem;right:.5rem;padding:.5rem .8rem;top:.4rem}
  nav .links{display:none}
  .hamburger{display:block}
  .hero{padding:6rem 1.25rem 3rem}
  .hero-title{font-size:clamp(1.75rem,8vw,2.5rem)}
  .hero-desc{margin-bottom:1.5rem}
  .hero-status{flex-wrap:wrap;gap:.5rem;padding:.5rem 1rem}
  .hero-status .sep{display:none}
  .quick-links{margin-top:2rem}
  .card{padding:1rem;margin-bottom:.75rem}
}

/* ─── Mobile Menu Overlay ─── */
.mobile-menu{
  position:fixed;inset:0;z-index:90;
  pointer-events:none;opacity:0;
  background:linear-gradient(180deg, rgb(var(--hydro-paper-rgb) / 8%), rgb(var(--hydro-paper-rgb) / 72%));
  -webkit-backdrop-filter:blur(22px) saturate(1.04);backdrop-filter:blur(22px) saturate(1.04);
  place-items:end center;display:grid;
  transition:opacity .32s cubic-bezier(.16,1,.3,1);
}
.mobile-menu.open{pointer-events:auto;opacity:1}
.mobile-menu-panel{
  width:min(100% - 2rem, 31rem);margin-bottom:1rem;
  background:rgb(var(--hydro-paper-rgb) / 96%);
  border:1px solid rgb(var(--hydro-ink-rgb) / 8%);
  border-radius:1.25rem;
  box-shadow:0 -30px 80px rgb(var(--hydro-shadow-rgb) / 20%);
  overflow:hidden;
  transform:translateY(2rem) scale(.95);opacity:0;
  transition:transform .5s cubic-bezier(.16,1,.3,1), opacity .3s;
}
.mobile-menu.open .mobile-menu-panel{transform:translateY(0) scale(1);opacity:1}
.mobile-menu-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.25rem;
  border-bottom:1px solid rgb(var(--hydro-ink-rgb) / 8%);
}
.mobile-menu-brand{font-family:var(--font-mono);font-size:.95rem;font-weight:650;color:var(--hydro-text)}
.mobile-menu-close{
  width:2rem;height:2rem;border-radius:50%;
  border:1px solid rgb(var(--hydro-ink-rgb) / 12%);
  background:rgb(var(--hydro-paper-rgb) / 46%);
  cursor:pointer;display:grid;place-items:center;
  font-size:.9rem;color:rgb(var(--hydro-ink-rgb) / 68%);
  transition:all .2s;
}
.mobile-menu-close:hover{background:var(--hydro-highlight-soft);border-color:var(--hydro-accent);color:var(--hydro-accent)}
.mobile-menu-body{padding:.5rem;display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.mobile-menu-body a{
  padding:.75rem 1rem;border-radius:.75rem;
  font-size:.95rem;font-weight:500;
  color:rgb(var(--hydro-ink-rgb) / 72%);
  transition:all .2s;
}
.mobile-menu-body a:hover,.mobile-menu-body a:active{background:var(--hydro-highlight-soft);color:var(--hydro-text)}