/* ── Shared Extension Page Stylesheet ── */

/* ── Loader ── */
#page-loader {
  position:fixed;inset:0;z-index:9999;
  background:#080c14;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:28px;
  transition:opacity .6s ease, visibility .6s ease;
}
#page-loader.hidden { opacity:0; visibility:hidden; pointer-events:none; }

.loader-ring {
  position:relative;
  width:72px;height:72px;
}
.loader-ring::before,
.loader-ring::after {
  content:'';
  position:absolute;inset:0;
  border-radius:50%;
  border:3px solid transparent;
}
.loader-ring::before {
  border-top-color:#4f9eff;
  border-right-color:rgba(79,158,255,.3);
  animation:spin 1s linear infinite;
}
.loader-ring::after {
  inset:8px;
  border-top-color:#a855f7;
  border-right-color:rgba(168,85,247,.3);
  animation:spin .75s linear infinite reverse;
}
.loader-dot {
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:12px;height:12px;
  background:linear-gradient(135deg,#4f9eff,#a855f7);
  border-radius:50%;
  animation:pulse-dot 1s ease-in-out infinite;
}
.loader-text {
  font-family:'Inter',sans-serif;
  font-size:.8rem;font-weight:600;
  letter-spacing:2px;text-transform:uppercase;
  color:rgba(123,143,166,.7);
  animation:blink-text 1.5s ease-in-out infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes pulse-dot {
  0%,100%{transform:translate(-50%,-50%) scale(1);opacity:1;}
  50%{transform:translate(-50%,-50%) scale(1.5);opacity:.5;}
}
@keyframes blink-text {
  0%,100%{opacity:.5;} 50%{opacity:1;}
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

:root{
  --bg:#080c14;
  --bg2:#0d1422;
  --card:rgba(17,24,39,.85);
  --border:rgba(99,179,255,.12);
  --border-glow:rgba(99,179,255,.3);
  --accent:#4f9eff;
  --accent2:#a855f7;
  --accent3:#06d6a0;
  --text:#e8edf5;
  --muted:#7b8fa6;
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.55);
}

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}

/* Animated bg */
body::before{
  content:'';
  position:fixed;inset:0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%,rgba(79,158,255,.13) 0%,transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%,rgba(168,85,247,.10) 0%,transparent 55%);
  pointer-events:none;z-index:0;
}

/* ── Back nav ── */
.top-nav{
  position:relative;z-index:2;
  padding:14px 32px;
  display:flex;align-items:center;gap:12px;
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.nav-logo{
  width:32px;height:32px;
  border-radius:8px;
  object-fit:cover;
  flex-shrink:0;
  margin-right:4px;
}
.back-btn{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--muted);font-size:.85rem;font-weight:600;
  text-decoration:none;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:100px;
  padding:6px 14px;
  transition:color .2s,background .2s;
}
.back-btn:hover{color:var(--text);background:rgba(255,255,255,.08);}
.nav-sep{color:var(--border);font-size:.9rem;}
.nav-ext-name{font-size:.85rem;font-weight:600;color:var(--muted);}

/* ── Hero ── */
.hero{
  position:relative;z-index:1;
  text-align:center;
  padding:60px 24px 40px;
}
.hero-icon{
  width:100px;height:100px;
  border-radius:24px;
  margin:0 auto 24px;
  overflow:hidden;
  box-shadow:0 0 50px rgba(79,158,255,.3);
  border:1px solid var(--border-glow);
  background:var(--bg2);
  display:flex;align-items:center;justify-content:center;font-size:48px;
}
.hero-icon img{width:100%;height:100%;object-fit:cover;}
.hero h1{
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:900;
  background:linear-gradient(135deg,#fff 0%,#b3d0ff 40%,var(--accent2) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:12px;
}
.hero-version{
  display:inline-block;
  font-size:.78rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;
  color:var(--accent);
  background:rgba(79,158,255,.1);border:1px solid rgba(79,158,255,.2);
  border-radius:100px;padding:4px 14px;margin-bottom:16px;
}
.hero-desc{
  color:var(--muted);font-size:1rem;line-height:1.7;
  max-width:560px;margin:0 auto 28px;
}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:8px;}
.btn-store{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--accent),#7c3aed);
  color:#fff;border:none;border-radius:100px;
  padding:12px 28px;font-size:.95rem;font-weight:700;
  text-decoration:none;cursor:pointer;font-family:inherit;
  transition:opacity .2s,transform .2s;
  box-shadow:0 0 30px rgba(79,158,255,.3);
}
.btn-store:hover{opacity:.88;transform:translateY(-2px);}
.btn-donate{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);border-radius:100px;
  padding:12px 28px;font-size:.95rem;font-weight:600;
  text-decoration:none;cursor:pointer;
  transition:background .2s,transform .2s;
}
.btn-donate:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}

/* ── Tab bar ── */
.tab-bar{
  position:relative;z-index:1;
  display:flex;gap:4px;
  max-width:900px;margin:0 auto;padding:0 24px 0;
  border-bottom:1px solid var(--border);
}
.tab-btn{
  padding:12px 22px;
  border-radius:12px 12px 0 0;
  border:1px solid transparent;border-bottom:none;
  background:transparent;color:var(--muted);
  font-size:.88rem;font-weight:600;cursor:pointer;
  transition:all .2s;font-family:inherit;
  position:relative;bottom:-1px;
}
.tab-btn.active{
  background:var(--card);
  border-color:var(--border);border-bottom-color:var(--bg);
  color:var(--accent);
}
.tab-btn:hover:not(.active){color:var(--text);background:rgba(255,255,255,.04);}

/* ── Tab panels ── */
.tab-content{
  position:relative;z-index:1;
  max-width:900px;margin:0 auto;
  padding:40px 24px 80px;
}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* ── Info tab ── */
.info-long-desc{
  font-size:1rem;line-height:1.75;color:#c5d3e8;
  margin-bottom:32px;
}
.section-heading{
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;
  color:var(--muted);margin-bottom:14px;
}
.features-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:16px;margin-bottom:36px;
}
.feat-card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);border-radius:16px;
  padding:22px;
  transition:border-color .2s,transform .2s;
}
.feat-card:hover{border-color:var(--border-glow);transform:translateY(-3px);}
.feat-card .icon{font-size:1.6rem;margin-bottom:12px;}
.feat-card h3{font-size:.92rem;font-weight:700;color:#fff;margin-bottom:6px;}
.feat-card p{font-size:.83rem;color:var(--muted);line-height:1.6;}
.perms-row{display:flex;flex-wrap:wrap;gap:8px;}
.perm{
  background:var(--bg2);border:1px solid var(--border);
  color:#9cb3cc;font-size:12px;font-weight:500;
  padding:5px 12px;border-radius:100px;
}

/* ── Tutorial tab ── */
.tutorial-steps{display:flex;flex-direction:column;gap:0;}
.tut-step{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;border-bottom:1px solid var(--border);
}
.tut-step:last-child{border-bottom:none;}
.step-num{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:.9rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 16px rgba(79,158,255,.35);
}
.tut-step h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:6px;}
.tut-step p{font-size:.88rem;color:var(--muted);line-height:1.65;}

/* ── Privacy tab ── */
.privacy-banner{
  background:rgba(6,214,160,.06);border:1px solid rgba(6,214,160,.2);
  border-radius:14px;padding:18px 20px;
  display:flex;align-items:flex-start;gap:14px;margin-bottom:28px;
}
.privacy-banner.warn{background:rgba(251,146,60,.06);border-color:rgba(251,146,60,.2);}
.privacy-banner .pi{font-size:1.4rem;flex-shrink:0;margin-top:2px;}
.privacy-banner p{font-size:.9rem;color:#6ee7b7;line-height:1.6;margin:0;}
.privacy-banner.warn p{color:#fcd34d;}
.priv-section{margin-bottom:28px;}
.priv-section h3{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.priv-section p,.priv-section ul{font-size:.88rem;color:var(--muted);line-height:1.7;}
.priv-section ul{padding-left:18px;}
.priv-section li{margin-bottom:5px;}

/* ── Donate strip ── */
.donate-strip{
  background:linear-gradient(135deg,rgba(79,158,255,.08),rgba(168,85,247,.06));
  border:1px solid var(--border-glow);border-radius:18px;
  padding:40px;text-align:center;margin-top:48px;
}
.donate-strip h3{font-size:1.2rem;font-weight:800;margin-bottom:8px;}
.donate-strip p{color:var(--muted);font-size:.88rem;margin-bottom:20px;}
.donate-strip .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ── Footer ── */
footer{
  position:relative;z-index:1;
  text-align:center;padding:32px 20px;
  border-top:1px solid var(--border);
  color:var(--muted);font-size:.8rem;
}
footer a{color:var(--accent);text-decoration:none;}
footer a:hover{text-decoration:underline;}

/* ── Responsive ── */
@media(max-width:600px){
  .features-grid{grid-template-columns:1fr;}
  .hero{padding:40px 20px 28px;}
  .tab-btn{padding:10px 14px;font-size:.8rem;}
}