/* =========================================================
   BreezeConvert — shared stylesheet
   Dark, modern "tool" aesthetic. All conversion happens
   client-side; this file only handles layout/visual design.
   ========================================================= */

:root{
  --bg: #0a0c10;
  --bg-soft: #0f1319;
  --surface: #141922;
  --surface-2: #1a2029;
  --border: #232a36;
  --border-soft: #1d232d;
  --text: #eef1f6;
  --text-dim: #9aa5b4;
  --text-faint: #5f6a7a;
  --accent: #5b8cff;
  --accent-2: #7ee0c3;
  --accent-grad: linear-gradient(135deg,#5b8cff 0%,#8f6bff 50%,#7ee0c3 100%);
  --danger: #ff6b6b;
  --success: #7ee0c3;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.55);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Pretendard, Roboto, sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(91,140,255,.14), transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, rgba(126,224,195,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-0.02em;}
p{margin:0 0 1em;color:var(--text-dim);}
.container{max-width:1120px;margin:0 auto;padding:0 24px;}
.small{font-size:.85rem;color:var(--text-faint);}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,12,16,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.05rem;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--accent-grad);
  display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;color:#0a0c10;font-weight:800;
}
.nav-links{display:flex;gap:22px;align-items:center;}
.nav-links a{color:var(--text-dim);font-size:.92rem;font-weight:500;transition:color .15s;}
.nav-links a:hover{color:var(--text);}

.nav-dropdown{position:relative;}
.nav-dropdown-trigger{display:inline-flex;align-items:center;gap:4px;cursor:pointer;}
.nav-dropdown-trigger .caret{font-size:.6rem;opacity:.6;transition:transform .15s;}
/* Transparent hover bridge: always present under the trigger so the
   mouse never leaves the dropdown while crossing the visual gap to the
   menu. This is what fixes the "opens sometimes, not others" flicker. */
.nav-dropdown::after{
  content:"";position:absolute;top:100%;left:0;right:0;height:14px;
}
.nav-dropdown-menu{
  position:absolute;top:100%;left:50%;margin-top:10px;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:6px;min-width:170px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:1px;z-index:60;
  opacity:0;visibility:hidden;pointer-events:none;transform:translateX(-50%) translateY(-4px);
  transition:opacity .13s ease,transform .13s ease,visibility 0s linear .13s;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu{
  display:flex;opacity:1;visibility:visible;pointer-events:auto;
  transform:translateX(-50%) translateY(0);
  transition:opacity .13s ease,transform .13s ease,visibility 0s;
}
.nav-dropdown:hover .caret,
.nav-dropdown:focus-within .caret{transform:rotate(180deg);}
.nav-dropdown-menu a{padding:8px 10px;border-radius:6px;font-size:.85rem;white-space:nowrap;color:var(--text-dim);}
.nav-dropdown-menu a:hover{background:var(--surface-2);color:var(--text);}
.nav-cta{
  padding:8px 16px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--border);font-size:.85rem;font-weight:600;
}

/* ---------- Ad slots ---------- */
.ad-slot{
  border:1px dashed #3a4354;
  border-radius:10px;
  background:repeating-linear-gradient(135deg,#12161d,#12161d 10px,#141a22 10px,#141a22 20px);
  color:var(--text-faint);
  display:flex;align-items:center;justify-content:center;
  font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  margin:28px auto;overflow:hidden;
}
.ad-slot span{opacity:.65;}
.ad-slot--leaderboard{max-width:728px;height:90px;}
.ad-slot--rectangle{max-width:300px;height:250px;}
.ad-slot--banner{width:100%;height:100px;}
.ad-slot--inline{width:100%;height:120px;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 20px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;font-size:.78rem;color:var(--accent-2);
  margin-bottom:20px;font-weight:600;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2);}
.hero h1{
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:800;
  max-width:820px;margin:0 auto .5em;
}
.hero h1 .grad{
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{max-width:600px;margin:0 auto 8px;font-size:1.05rem;}
.trust-row{
  display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:22px;
  font-size:.82rem;color:var(--text-faint);
}
.trust-row .item{display:flex;align-items:center;gap:6px;}
.trust-row svg{width:15px;height:15px;color:var(--accent-2);}

/* ---------- Tabs ---------- */
.tool-shell{
  max-width:880px;margin:36px auto 0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;box-shadow:var(--shadow);overflow:hidden;
  scroll-margin-top:74px; /* clears the sticky nav when scrolled into view */
}
.tabs{display:flex;border-bottom:1px solid var(--border-soft);}
.tab-btn{
  flex:1;padding:16px;background:transparent;border:none;color:var(--text-faint);
  font-family:var(--font);font-weight:600;font-size:.95rem;cursor:pointer;
  border-bottom:2px solid transparent;transition:.15s;
}
.tab-btn.active{color:var(--text);border-bottom-color:var(--accent);background:rgba(91,140,255,.06);}
.tab-panel{display:none;padding:28px;}
.tab-panel.active{display:block;}

/* ---------- Dropzone / widget (rendered by app.js / audio.js) ---------- */
.cvt-dropzone{
  border:2px dashed var(--border);
  border-radius:var(--radius);
  padding:36px 20px;text-align:center;cursor:pointer;
  transition:.15s;background:var(--bg-soft);
}
.cvt-dropzone:hover,.cvt-dropzone.drag{
  border-color:var(--accent);background:rgba(91,140,255,.06);
}
.cvt-dropzone .icon{
  width:44px;height:44px;margin:0 auto 12px;border-radius:12px;
  background:var(--accent-grad);display:flex;align-items:center;justify-content:center;
  color:#0a0c10;font-size:1.3rem;font-weight:800;
}
.cvt-dropzone strong{color:var(--text);}
.cvt-controls{
  display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin:18px 0;
}
.cvt-field{display:flex;flex-direction:column;gap:6px;font-size:.8rem;color:var(--text-dim);}
.cvt-field select,.cvt-field input[type=number]{
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  padding:9px 10px;border-radius:8px;font-family:var(--font);font-size:.88rem;min-width:130px;
}
.cvt-field input[type=range]{width:140px;}
.btn{
  appearance:none;border:none;cursor:pointer;font-family:var(--font);font-weight:700;
  font-size:.9rem;padding:11px 20px;border-radius:10px;transition:.15s;
}
.btn-primary{background:var(--accent-grad);color:#08090c;}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;filter:none;}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border);}
.btn-ghost:hover{border-color:var(--accent);}
.btn-sm{padding:7px 12px;font-size:.78rem;border-radius:8px;}

.cvt-filelist{margin-top:18px;display:flex;flex-direction:column;gap:8px;}
.cvt-row{
  display:flex;align-items:center;gap:12px;
  background:var(--surface-2);border:1px solid var(--border-soft);
  border-radius:10px;padding:10px 12px;
}
.cvt-row .thumb{
  width:38px;height:38px;border-radius:7px;background:var(--bg-soft);
  object-fit:cover;flex-shrink:0;border:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;font-size:.65rem;color:var(--text-faint);
}
.cvt-row .meta{flex:1;min-width:0;}
.cvt-row .fname{font-size:.85rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cvt-row .fsub{font-size:.72rem;color:var(--text-faint);}
.cvt-row .status{font-size:.75rem;font-weight:600;min-width:64px;text-align:right;}
.status.ok{color:var(--success);}
.status.err{color:var(--danger);}
.status.working{color:var(--accent);}
.progress-wrap{
  width:100%;height:6px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin-top:10px;
}
.progress-bar{height:100%;background:var(--accent-grad);width:0%;transition:width .2s;}
.cvt-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.cvt-note{font-size:.76rem;color:var(--text-faint);margin-top:14px;}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section h2{font-size:1.7rem;text-align:center;margin-bottom:10px;}
.section .sub{text-align:center;max-width:560px;margin:0 auto 36px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;
}
.card h3{font-size:1.02rem;margin-bottom:8px;}
.card p{font-size:.9rem;margin:0;}
.card .num{
  width:32px;height:32px;border-radius:9px;background:rgba(91,140,255,.14);
  color:var(--accent-2);display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.85rem;margin-bottom:12px;
}

.pairs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;}
.pair-link{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:14px 16px;font-size:.86rem;font-weight:600;transition:.15s;
}
.pair-link:hover{border-color:var(--accent);color:var(--accent-2);}

.faq-item{border-bottom:1px solid var(--border-soft);padding:18px 0;}
.faq-item h4{font-size:.95rem;margin-bottom:6px;}
.faq-item p{font-size:.87rem;margin:0;}

article.content h2{text-align:left;font-size:1.4rem;margin-top:1.4em;}
article.content h3{font-size:1.1rem;margin-top:1.2em;}
article.content p{font-size:.95rem;}
article.content ul{color:var(--text-dim);font-size:.95rem;padding-left:1.2em;}
article.content li{margin-bottom:.4em;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border-soft);padding:44px 0 30px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px;}
.footer-grid h5{font-size:.8rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;}
.footer-grid a{display:block;font-size:.86rem;color:var(--text-dim);margin-bottom:8px;}
.footer-grid a:hover{color:var(--text);}
.footer-bottom{
  border-top:1px solid var(--border-soft);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.78rem;color:var(--text-faint);
}

/* ---------- Usage badge (limits.js) ---------- */
.sc-usage-badge{
  font-size:.76rem;color:var(--text-faint);
  background:var(--surface-2);border:1px solid var(--border);
  padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.sc-usage-badge.sc-badge-empty{color:var(--danger);border-color:rgba(255,107,107,.35);}
.sc-usage-badge.sc-badge-pro{color:var(--accent-2);border-color:rgba(126,224,195,.4);background:rgba(126,224,195,.08);}

/* ---------- Upgrade modal (limits.js) ---------- */
.sc-modal-overlay{
  position:fixed;inset:0;background:rgba(6,7,10,.72);
  display:flex;align-items:center;justify-content:center;z-index:200;
  padding:20px;backdrop-filter:blur(3px);
}
.sc-modal{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px;max-width:380px;width:100%;
  box-shadow:var(--shadow);
}
.sc-modal h3{font-size:1.1rem;margin-bottom:10px;}
.sc-modal p{font-size:.88rem;margin-bottom:4px;}

/* ---------- Pro / Compress specific bits ---------- */
.pro-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;text-align:center;
}
.pro-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px rgba(91,140,255,.35);}
.price{font-size:2.2rem;font-weight:800;margin:8px 0;}
.price span{font-size:.9rem;color:var(--text-faint);font-weight:500;}
.pro-list{list-style:none;padding:0;margin:18px 0;text-align:left;font-size:.88rem;color:var(--text-dim);}
.pro-list li{padding:7px 0;border-bottom:1px solid var(--border-soft);}
.pro-list li:last-child{border-bottom:none;}

.donate-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px;margin:0 auto;}
.donate-tier{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:18px;text-align:center;cursor:pointer;transition:.15s;
}
.donate-tier:hover{border-color:var(--accent);}
.donate-tier .amt{font-size:1.3rem;font-weight:800;margin-bottom:4px;}

@media (max-width:760px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
  .sc-usage-badge{display:none;}
  .donate-tiers{grid-template-columns:1fr;}
}