/*=====THEME=====*/
:root{
--bg-deep:#06090f;--bg-root:#0a0e17;--bg-surface:#111827;--bg-elevated:#1a2235;
--bg-glass:rgba(17,24,39,0.82);--glass-border:rgba(255,255,255,0.07);
--text-primary:#e8eaed;--text-secondary:#9aa0b0;--text-muted:#5a6170;--text-accent:#f0c060;
--t0:#ffd700;--t1:#ff4757;--t2:#ff7f3f;--t3:#a855f7;--t4:#3b82f6;--t5:#6b7280;
--stat-atk:#ff6b6b;--stat-def:#4ecdc4;--stat-hp:#45b7d1;--stat-spd:#f9ca24;--stat-mp:#a29bfe;
--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;
--shadow-card:0 2px 8px rgba(0,0,0,0.3);--shadow-card-hover:0 8px 24px rgba(0,0,0,0.5);
--shadow-modal:0 24px 80px rgba(0,0,0,0.7);
--ease-out:cubic-bezier(0.19,1,0.22,1);--fast:150ms;--normal:300ms;
--bg-overlay:rgba(10,14,23,0.88);
}
html.light{
--bg-deep:#f0f2f5;--bg-root:#f5f6f8;--bg-surface:#ffffff;--bg-elevated:#f0f2f5;
--bg-glass:rgba(255,255,255,0.85);--glass-border:rgba(0,0,0,0.08);
--text-primary:#1a1a2e;--text-secondary:#555770;--text-muted:#9090a0;--text-accent:#c7880a;
--shadow-card:0 2px 8px rgba(0,0,0,0.08);--shadow-card-hover:0 8px 24px rgba(0,0,0,0.15);
--shadow-modal:0 24px 80px rgba(0,0,0,0.25);
--bg-overlay:rgba(245,246,248,0.9);
--t0:#c7940a;--t1:#d63031;--t2:#d9790a;--t3:#7c3aed;--t4:#2563eb;
}

/*=====RESET=====*/
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg-deep);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5;position:relative}
body.modal-open{overflow:hidden}
img{display:block;max-width:100%}
button{cursor:pointer;font:inherit;border:none;background:none;color:inherit}
input{font:inherit;color:inherit;background:var(--bg-elevated);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:6px 12px;font-size:0.85rem}

/*=====BACKGROUND=====*/
.bg-wrapper{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-wrapper::before{content:'';position:absolute;inset:0;background:var(--bg-overlay);z-index:1}
.bg-img{position:absolute;inset:-5%;background:url('bg.jpg') center/cover no-repeat;filter:blur(8px) brightness(0.3) saturate(1.2);opacity:0.9;z-index:0}
html.light .bg-img{filter:blur(12px) brightness(1.5) saturate(1.1);opacity:0.18}

/*=====SCROLLBAR=====*/
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}

/*=====HEADER=====*/
#app-header{position:sticky;top:0;z-index:100;background:var(--bg-glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--glass-border);padding:10px 24px}
.header-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo-section{display:flex;align-items:baseline;gap:10px;flex-shrink:0}
.app-title{font-size:1.4rem;font-weight:700;letter-spacing:-0.5px}
.app-title .accent{color:var(--text-accent)}
.subtitle{font-size:0.75rem;color:var(--text-secondary);letter-spacing:1px;text-transform:uppercase}
.header-controls{display:flex;align-items:center;gap:10px;flex:1;flex-wrap:wrap;justify-content:flex-end}
.search-box input{width:170px;transition:all var(--fast);outline:none}
.search-box input:focus{border-color:var(--text-accent);width:210px}
.global-level{display:flex;align-items:center;gap:5px;font-size:0.78rem;color:var(--text-secondary)}
.global-level input[type=range]{width:70px;accent-color:var(--text-accent);padding:0;border:none;background:transparent}
#global-level-display{font-weight:600;color:var(--text-accent);min-width:32px}
.btn-ghost{padding:5px 10px;border-radius:var(--radius-sm);font-size:0.78rem;color:var(--text-secondary);transition:all var(--fast);border:1px solid transparent}
.btn-ghost:hover{color:var(--text-primary);background:var(--bg-elevated);border-color:var(--glass-border)}
.btn-primary{padding:8px 16px;border-radius:var(--radius-sm);font-size:0.85rem;background:var(--text-accent);color:#000;font-weight:600;transition:all var(--fast)}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
/*=====SKEUOMORPHIC THEME TOGGLE=====*/
.theme-skeuo{cursor:pointer;display:block;user-select:none;-webkit-tap-highlight-color:transparent;flex-shrink:0}
.theme-skeuo input{display:none}

/* Track: unchecked=dark(sun visible), checked=light(sun visible) — wait: the knob slides RIGHT when checked.
   unchecked=dark night sky on LEFT (knob at 3px), checked=light blue sky on RIGHT (knob at 35px).
   visual metaphor: knob starts on the left (dark/night), slides right (light/day) */
.toggle-track{position:relative;width:64px;height:32px;border-radius:16px;
  background:linear-gradient(180deg,#1a1a3e 0%,#0d0d2b 50%,#1a1a3e 100%);
  box-shadow:inset 0 1px 4px rgba(0,0,0,0.5),inset 0 -1px 0 rgba(255,255,255,0.05),0 2px 6px rgba(0,0,0,0.4);
  transition:background 0.5s ease,box-shadow 0.5s ease;
  overflow:hidden;
}
.theme-skeuo input:checked+.toggle-track{
  background:linear-gradient(180deg,#87ceeb 0%,#b0e0f0 40%,#e0f0ff 100%);
  box-shadow:inset 0 1px 4px rgba(0,0,0,0.15),inset 0 -1px 0 rgba(255,255,255,0.3),0 2px 6px rgba(0,0,0,0.2);
}

/* Stars: visible in dark (unchecked), fade out in light (checked) */
.toggle-stars{position:absolute;inset:0;border-radius:16px;opacity:1;transition:opacity 0.4s ease}
.theme-skeuo input:checked+.toggle-track .toggle-stars{opacity:0}
.toggle-star{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff;
  animation:starTwinkle 2s ease-in-out infinite;
}
.toggle-star:nth-child(2){animation-delay:0.6s}
.toggle-star:nth-child(3){animation-delay:1.2s}
@keyframes starTwinkle{0%,100%{opacity:0.3;transform:scale(1)}50%{opacity:1;transform:scale(1.8)}}

/* Cloud: visible in light (checked), hidden in dark (unchecked) */
.toggle-cloud{position:absolute;top:4px;left:10px;width:12px;height:5px;border-radius:5px;
  background:#fff;opacity:0;transition:all 0.5s ease;
  box-shadow:6px -2px 0 0 #fff,3px 1px 0 0 rgba(255,255,255,0.6);
}
.theme-skeuo input:checked+.toggle-track .toggle-cloud{opacity:0.8}

/* Knob: dark mode = silver moon at left, light mode = gold sun at right */
.toggle-knob{position:absolute;top:2px;left:3px;width:26px;height:26px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,#e8e8f0,#c0c0d0 70%,#9090a0 100%);
  box-shadow:0 0 8px rgba(180,180,220,0.5),0 2px 6px rgba(0,0,0,0.3),inset 0 -2px 3px rgba(0,0,0,0.2);
  transition:transform 0.45s cubic-bezier(0.34,1.56,0.64,1),background 0.45s ease,box-shadow 0.45s ease;
  z-index:1;
}
.theme-skeuo input:checked+.toggle-track .toggle-knob{
  transform:translateX(32px);
  background:radial-gradient(circle at 40% 35%,#fff8e1,#ffcc02 70%,#e6a800 100%);
  box-shadow:0 0 10px rgba(255,200,0,0.5),0 2px 6px rgba(0,0,0,0.2),inset 0 -2px 3px rgba(0,0,0,0.15);
}

/* Sun/Moon icons: cross-fade on toggle */
.knob-sun,.knob-moon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:13px;
  transition:opacity 0.4s ease;line-height:1;pointer-events:none}
.knob-sun{opacity:0}.knob-moon{opacity:1}
.theme-skeuo input:checked+.toggle-track .knob-sun{opacity:1}
.theme-skeuo input:checked+.toggle-track .knob-moon{opacity:0}

/* Hover & active */
.theme-skeuo:hover .toggle-knob{box-shadow:0 0 12px rgba(180,180,220,0.7),0 3px 8px rgba(0,0,0,0.35),inset 0 -2px 3px rgba(0,0,0,0.2)}
.theme-skeuo:hover input:checked+.toggle-track .toggle-knob{box-shadow:0 0 16px rgba(255,200,0,0.7),0 3px 8px rgba(0,0,0,0.25),inset 0 -2px 3px rgba(0,0,0,0.15)}
.theme-skeuo:active .toggle-knob{transform:scale(0.9)}
.theme-skeuo:active input:checked+.toggle-track .toggle-knob{transform:translateX(32px) scale(0.9)}

/*=====TIER LIST=====*/
main{padding:20px 24px;max-width:1400px;margin:0 auto;position:relative;z-index:1}
.tier-row{display:flex;margin-bottom:10px;border-radius:var(--radius-lg);background:var(--bg-surface);border:1px solid var(--glass-border);overflow:hidden;transition:opacity var(--normal);min-height:88px}
.tier-row.collapsed{min-height:0;opacity:0.25}
.tier-label{flex-shrink:0;width:95px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:14px 6px;background:var(--bg-elevated);border-right:1px solid var(--glass-border)}
.tier-badge{font-size:1.25rem;font-weight:800;letter-spacing:-1px}
.tier-name{font-size:0.65rem;color:var(--text-secondary)}
.tier-count{font-size:0.6rem;color:var(--text-muted)}
.tier-heroes{flex:1;display:flex;flex-wrap:nowrap;overflow-x:auto;gap:6px;padding:8px 12px;align-items:center;min-height:68px}

/*=====HERO CARD=====*/
.hero-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 7px;min-width:78px;border-radius:var(--radius-md);background:var(--bg-elevated);cursor:pointer;transition:box-shadow var(--fast),opacity var(--fast);user-select:none;transform-style:preserve-3d;perspective:600px}
.hero-card:hover{z-index:2;box-shadow:0 12px 32px rgba(0,0,0,0.5),0 0 18px var(--tier-color)}
.hero-card.dimmed{opacity:0.15;transform:scale(0.95);pointer-events:none}
.hero-card-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;background:var(--bg-surface);border:2px solid var(--tier-color);transition:border-color var(--fast)}
.hero-card:hover .hero-card-avatar{border-width:3px}
.hero-card-name{font-size:0.7rem;font-weight:500;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70px}
/*=====MODAL=====*/
.modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.25s ease}
.modal-overlay.active{opacity:1;pointer-events:auto}
.modal-backdrop{position:absolute;inset:0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);background:rgba(0,0,0,0.55)}
html.light .modal-backdrop{background:rgba(0,0,0,0.2)}
.modal-container{position:relative;max-width:660px;max-height:88vh;width:92%;border-radius:var(--radius-xl);background:var(--bg-glass);border:1px solid var(--glass-border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-modal);overflow:hidden;transform:scale(0.92) translateY(12px);transition:transform 0.45s cubic-bezier(0.34,1.56,0.64,1)}
.modal-overlay.active .modal-container{transform:scale(1) translateY(0)}
.modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;background:rgba(128,128,128,0.15);font-size:1.1rem;display:flex;align-items:center;justify-content:center;z-index:10;transition:all var(--fast)}
.modal-close:hover{background:rgba(255,80,80,0.3);transform:rotate(90deg)}
.modal-scroll{overflow-y:auto;max-height:88vh;padding:24px}

/* Hero detail */
.modal-hero-header{display:flex;align-items:center;gap:18px;margin-bottom:20px}
.modal-hero-avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;border:3px solid var(--text-accent);background:var(--bg-surface)}
.modal-hero-info h2{font-size:1.5rem;font-weight:700}
.modal-hero-subtitle{display:flex;gap:6px;margin-top:2px;flex-wrap:wrap}
.modal-hero-subtitle span{padding:2px 10px;border-radius:16px;font-size:0.68rem;font-weight:600;background:var(--bg-elevated)}
.badge-tier{color:var(--tier-color)}
.badge-profession{color:var(--text-secondary)}
.badge-type{color:var(--stat-hp)}
.modal-level-section{margin-bottom:18px;background:var(--bg-elevated);border-radius:var(--radius-md);padding:14px}
.modal-level-section h3{font-size:0.82rem;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.level-badge{background:var(--text-accent);color:#000;padding:1px 8px;border-radius:10px;font-weight:700;font-size:0.85rem}
.modal-level-section input[type=range]{width:100%;accent-color:var(--text-accent);margin-bottom:6px;border:none;padding:0}
.level-shortcuts{display:flex;gap:5px;justify-content:center}
.level-shortcuts button{padding:3px 10px;border-radius:var(--radius-sm);font-size:0.7rem;background:var(--bg-surface);transition:all var(--fast)}
.level-shortcuts button:hover{background:var(--text-accent);color:#000}
.stats-section{margin-bottom:14px}
.stats-section h3{font-size:0.82rem;color:var(--text-secondary);margin-bottom:6px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:3px}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:5px 9px;border-radius:var(--radius-sm);background:var(--bg-elevated);font-size:0.75rem}
.stat-name{color:var(--text-secondary)}
.stat-value{font-weight:600;font-variant-numeric:tabular-nums}
.stat-growth{font-size:0.6rem;color:var(--text-muted);margin-left:3px}
.stat-better{background:rgba(76,175,80,0.12)!important}
.stat-worse{background:rgba(244,67,54,0.1)!important}
/*=====COMPARE=====*/
.compare-container{max-width:960px}
.compare-header{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px}
.compare-title{font-size:1.2rem;font-weight:700}
.compare-view-toggle{display:flex;gap:0;border-radius:20px;overflow:hidden;border:1px solid var(--glass-border)}
.compare-view-toggle button{padding:6px 14px;font-size:0.75rem;font-weight:500;transition:all var(--fast);background:transparent}
.compare-view-toggle button.active{background:var(--text-accent);color:#000}
.compare-wrapper{display:flex;align-items:stretch;gap:0;margin-bottom:12px;min-height:200px}
.compare-column{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0}
.compare-vs-zone{flex-shrink:0;width:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.compare-vs-text{font-size:0.9rem;font-weight:800;color:var(--text-muted)}
.compare-v-slider{-webkit-appearance:slider-vertical;appearance:slider-vertical;writing-mode:bt-lr;direction:rtl;height:160px;width:24px;accent-color:var(--text-accent)}
.compare-hero-slot{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px;border-radius:var(--radius-md);background:var(--bg-elevated);min-height:100px;justify-content:center;border:2px dashed var(--glass-border);transition:all var(--fast)}
.compare-hero-slot.filled{border-style:solid;border-color:var(--glass-border)}
.compare-hero-slot img{width:60px;height:60px;border-radius:50%;object-fit:cover;background:var(--bg-surface)}
.compare-hero-slot .slot-placeholder{color:var(--text-muted);font-size:0.8rem;text-align:center}
.compare-level-bar{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px;background:var(--bg-elevated);border-radius:var(--radius-md);margin-top:8px}
.compare-level-bar input[type=range]{width:160px;accent-color:var(--text-accent);border:none;padding:0}

/* Vertical bar chart */
.vbar-legend{display:flex;justify-content:center;gap:24px;margin-bottom:16px;font-size:0.75rem;font-weight:600}
.vbar-legend-item{display:flex;align-items:center;gap:6px}
.vbar-legend-dot{width:10px;height:10px;border-radius:2px;flex-shrink:0}
.vbar-chart{display:flex;align-items:flex-end;gap:18px;padding:12px 0;overflow-x:auto;min-height:200px}
.vbar-column{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:52px;flex-shrink:0}
.vbar-bars{display:flex;gap:4px;align-items:flex-end;height:140px}
.vbar-bar{width:18px;border-radius:3px 3px 0 0;transition:height var(--normal) var(--ease-out);position:relative;min-width:14px}
.vbar-bar-a{background:var(--t1)}
.vbar-bar-b{background:var(--t4)}
.vbar-val{font-size:0.62rem;font-weight:600;text-align:center;line-height:1.1;max-width:48px;word-break:break-all}
.vbar-val-a{color:var(--t1)}
.vbar-val-b{color:var(--t4)}
.vbar-stat-label{font-size:0.65rem;color:var(--text-secondary);text-align:center;margin-top:2px;white-space:nowrap}

/*=====RADAR=====*/
#compare-radar{width:100%;height:420px;margin:0 auto}
.compare-radar-legend{display:flex;justify-content:center;gap:28px;margin-bottom:14px;font-size:0.8rem;font-weight:600}
.compare-radar-legend-item{display:flex;align-items:center;gap:7px}
.compare-radar-legend-dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.compare-radar-placeholder{display:flex;align-items:center;justify-content:center;height:300px;color:var(--text-muted);font-size:0.95rem}

/*=====TOAST=====*/
#toast-container{position:fixed;bottom:20px;right:20px;z-index:2000;display:flex;flex-direction:column-reverse;gap:6px}
.toast{padding:8px 16px;border-radius:var(--radius-md);background:var(--bg-glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:0.78rem;animation:toastIn var(--fast) var(--ease-out);transition:all var(--normal)}
.toast.removing{opacity:0;transform:translateX(30px)}
@keyframes toastIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}

/*=====CREDIT=====*/
#credit{position:fixed;bottom:10px;right:16px;z-index:50;font-size:0.72rem;color:var(--text-primary);font-family:'Zhi Mang Xing','STXingkai','KaiTi','楷体',cursive;letter-spacing:1px;opacity:0.65;pointer-events:none}

/*=====RESPONSIVE=====*/
@media(max-width:768px){
.header-inner{flex-direction:column;align-items:stretch;gap:8px}
.header-controls{justify-content:space-between}
main{padding:10px}
.tier-row{flex-direction:column}
.tier-label{width:100%;flex-direction:row;padding:8px 14px;gap:8px;border-right:none;border-bottom:1px solid var(--glass-border)}
.tier-heroes{flex-wrap:wrap;overflow-x:visible;justify-content:center;padding:8px 6px}
.hero-card{min-width:68px;padding:6px 5px}
.hero-card-avatar{width:44px;height:44px}
.compare-wrapper{flex-direction:column;gap:8px}
.compare-vs-zone{flex-direction:row;width:100%;padding:4px 0}
.compare-v-slider{writing-mode:horizontal-tb;direction:ltr;height:auto;width:120px}
.stats-grid{grid-template-columns:repeat(2,1fr)}
}

/*=====SMOOTH SLIDERS=====*/
input[type=range]:not(.compare-v-slider) {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  background: transparent;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
}
input[type=range]:not(.compare-v-slider)::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 3px;
  background: var(--bg-elevated);
}
input[type=range]:not(.compare-v-slider)::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-accent);
  cursor: pointer;
  margin-top: -7.5px;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 0 0 0 0 rgba(240,192,96,0);
  will-change: transform;
}
input[type=range]:not(.compare-v-slider)::-webkit-slider-thumb:active {
  transform: scale(1.25);
  box-shadow: 0 0 12px 3px rgba(240,192,96,0.45);
}
input[type=range]:not(.compare-v-slider)::-moz-range-track {
  height: 5px;
  border-radius: 3px;
  background: var(--bg-elevated);
  border: none;
}
input[type=range]:not(.compare-v-slider)::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-accent);
  border: none;
  cursor: pointer;
}
input[type=range]:not(.compare-v-slider)::-moz-range-thumb:active {
  transform: scale(1.25);
  box-shadow: 0 0 12px 3px rgba(240,192,96,0.45);
}
/* Light theme thumb glow */
html.light input[type=range]:not(.compare-v-slider)::-webkit-slider-thumb:active {
  box-shadow: 0 0 12px 3px rgba(199,136,10,0.45);
}
html.light input[type=range]:not(.compare-v-slider)::-moz-range-thumb:active {
  box-shadow: 0 0 12px 3px rgba(199,136,10,0.45);
}

/*=====PROGRESS BAR=====*/
#progress-bar{position:fixed;top:0;left:0;height:2px;z-index:9999;background:linear-gradient(90deg,var(--text-accent),#f472b6,#818cf8);width:0%;transition:width 0.1s linear;pointer-events:none}

/*=====PARTICLE CANVAS=====*/
#particle-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:0.55}
html.light #particle-canvas{opacity:0.3}

/*=====CARD POP-IN=====*/
@keyframes cardPopIn{from{opacity:0;transform:scale(0.85) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}
.hero-card{animation:cardPopIn 0.45s both}
.hero-card.dimmed{animation:none}

/*=====SPRING=====*/
.btn-primary:active{transform:scale(0.94) !important;transition:transform 0.08s ease}
.btn-ghost:active{transform:scale(0.95);transition:transform 0.08s ease}

/*=====LIQUID GLASS: COMPARE BUTTON=====*/
#btn-compare-open {
  position: relative;
  padding: 8px 20px;
  border-radius: 22px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  /* Layered glass: radial highlight + linear body */
  background:
    radial-gradient(ellipse 80% 45% at 50% 0%, rgba(255,255,255,0.13), transparent),
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.015) 100%);
  backdrop-filter: blur(12px) saturate(170%);
  -webkit-backdrop-filter: blur(12px) saturate(170%);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow:
    0 4px 16px rgba(0,0,0,0.22),
    0 1px 3px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.16),
    inset 0 -1px 0 rgba(0,0,0,0.06);
  transition: all 0.35s cubic-bezier(0.19,1,0.22,1);
  overflow: hidden;
}
#btn-compare-open::before {
  content: '';
  position: absolute;
  top: 0; left: 18%; right: 18%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
  border-radius: 1px;
  pointer-events: none;
  transition: opacity 0.3s, left 0.35s cubic-bezier(0.19,1,0.22,1), right 0.35s cubic-bezier(0.19,1,0.22,1);
}
#btn-compare-open:hover {
  background:
    radial-gradient(ellipse 80% 45% at 50% 0%, rgba(255,255,255,0.22), transparent),
    linear-gradient(180deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.04) 100%);
  border-color: rgba(255,255,255,0.24);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.35),
    0 0 22px rgba(255,255,255,0.04),
    inset 0 1px 0 rgba(255,255,255,0.28),
    inset 0 -1px 0 rgba(0,0,0,0.04);
  transform: translateY(-1.5px);
  color: #fff;
}
#btn-compare-open:hover::before {
  left: 10%; right: 10%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);
}
#btn-compare-open:active {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}
/* Light theme */
html.light #btn-compare-open {
  background:
    radial-gradient(ellipse 80% 45% at 50% 0%, rgba(255,255,255,0.5), transparent),
    linear-gradient(180deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.08) 100%);
  border-color: rgba(255,255,255,0.55);
  box-shadow:
    0 4px 16px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -1px 0 rgba(0,0,0,0.03);
  color: #1a1a2e;
}
html.light #btn-compare-open::before {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.75), transparent);
}
html.light #btn-compare-open:hover {
  background:
    radial-gradient(ellipse 80% 45% at 50% 0%, rgba(255,255,255,0.7), transparent),
    linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.14) 100%);
  border-color: rgba(255,255,255,0.8);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.14),
    0 0 22px rgba(255,255,255,0.15),
    inset 0 1px 0 rgba(255,255,255,0.85),
    inset 0 -1px 0 rgba(0,0,0,0.02);
  color: #1a1a2e;
}

/*=====LIQUID GLASS: HERO DETAIL MODAL=====*/
#hero-modal .modal-container {
  background:
    radial-gradient(ellipse 55% 30% at 50% 0%, rgba(255,255,255,0.08), transparent 70%),
    linear-gradient(180deg,
      rgba(255,255,255,0.04) 0%,
      rgba(255,255,255,0.018) 25%,
      rgba(0,0,0,0.02) 60%,
      rgba(0,0,0,0.05) 100%);
  backdrop-filter: blur(26px) saturate(180%) brightness(1.04);
  -webkit-backdrop-filter: blur(26px) saturate(180%) brightness(1.04);
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow:
    0 24px 80px rgba(0,0,0,0.5),
    0 4px 16px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.1),
    inset 0 0 0 1px rgba(255,255,255,0.015);
  overflow: hidden;
}
#hero-modal .modal-container::before {
  content: '';
  position: absolute;
  top: 0; left: 5%; right: 5%; height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.04) 15%,
    rgba(255,255,255,0.2) 50%,
    rgba(255,255,255,0.04) 85%,
    transparent 100%);
  border-radius: 2px;
  z-index: 5;
  pointer-events: none;
}
/* Light theme */
html.light #hero-modal .modal-container {
  background:
    radial-gradient(ellipse 55% 30% at 50% 0%, rgba(255,255,255,0.55), transparent 70%),
    linear-gradient(180deg,
      rgba(255,255,255,0.28) 0%,
      rgba(255,255,255,0.12) 25%,
      rgba(255,255,255,0.04) 60%,
      rgba(0,0,0,0.015) 100%);
  backdrop-filter: blur(26px) saturate(180%) brightness(1.06);
  -webkit-backdrop-filter: blur(26px) saturate(180%) brightness(1.06);
  border: 1px solid rgba(255,255,255,0.45);
  box-shadow:
    0 24px 80px rgba(0,0,0,0.16),
    0 4px 16px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.55),
    inset 0 0 0 1px rgba(255,255,255,0.12);
}
html.light #hero-modal .modal-container::before {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.2) 15%,
    rgba(255,255,255,0.65) 50%,
    rgba(255,255,255,0.2) 85%,
    transparent 100%);
}