@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*{box-sizing:border-box}
:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#101828;
  background:#f4f7fb;
  --bg:#f4f7fb;
  --card:rgba(255,255,255,.88);
  --card-solid:#fff;
  --text:#101828;
  --muted:#667085;
  --border:rgba(16,24,40,.09);
  --soft:#f2f4f7;
  --primary:#111827;
  --primary-2:#344054;
  --danger-bg:#fff1f3;
  --danger:#c01048;
  --shadow:0 24px 70px rgba(16,24,40,.10);
}
html.dark{
  color-scheme:dark;
  --bg:#0b1020;--card:rgba(17,24,39,.82);--card-solid:#111827;
  --text:#f8fafc;--muted:#98a2b3;--border:rgba(255,255,255,.10);
  --soft:#1b2435;--primary:#f8fafc;--primary-2:#d0d5dd;
  --danger-bg:rgba(190,18,60,.16);--danger:#fda4af;
  --shadow:0 24px 80px rgba(0,0,0,.35);
}
body{margin:0;min-height:100vh;background:
 radial-gradient(circle at 10% 0%,rgba(99,102,241,.15),transparent 28%),
 radial-gradient(circle at 90% 15%,rgba(14,165,233,.11),transparent 25%),
 var(--bg);color:var(--text);transition:background .25s,color .25s}
button,input,textarea{font:inherit}
button,.upload-btn,.download-btn,.delete-btn{cursor:pointer}
button:disabled{opacity:.6;cursor:not-allowed}
.hidden{display:none!important}
a{color:inherit}
.card{background:var(--card);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.center-page{min-height:calc(100vh - 34px);display:flex;justify-content:center;align-items:center;padding:30px 18px}
.home-card{width:min(540px,100%);padding:44px;text-align:center;position:relative;overflow:hidden}
.home-card:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(99,102,241,.12);filter:blur(12px);top:-100px;right:-50px}
.logo{width:72px;height:72px;margin:0 auto 18px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(145deg,#111827,#344054);color:#fff;font-size:31px;box-shadow:0 14px 30px rgba(17,24,39,.22)}
h1,h2,p{margin-top:0}h1{letter-spacing:-.04em;font-size:34px;margin-bottom:8px}h2{letter-spacing:-.025em}.muted{color:var(--muted)}
.feature-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:25px 0 28px}
.feature-row span{padding:8px 12px;background:var(--soft);border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:600}
label{display:block;text-align:left;font-size:13px;font-weight:700;margin-bottom:8px}
input,textarea{width:100%;border:1px solid var(--border);outline:none;background:var(--card-solid);color:var(--text);border-radius:14px;transition:.2s}
input{padding:14px 15px;margin-bottom:14px}
input:focus,textarea:focus{border-color:#6366f1;box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.primary-btn,.secondary-btn,.danger-btn,.upload-btn,.download-btn,.delete-btn{border-radius:13px;padding:11px 15px;border:0;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:transform .15s,box-shadow .2s,background .2s}
.primary-btn{width:100%;background:var(--primary);color:var(--bg);box-shadow:0 10px 24px rgba(16,24,40,.15)}
.primary-btn:hover,.upload-btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(16,24,40,.18)}
.error{margin:14px 0 0;color:#e11d48;font-size:13px;font-weight:600}
.home-hint{font-size:12px;margin:16px 0 0;color:var(--muted)}

.top-marquee{width:100%;height:34px;overflow:hidden;background:#0b1020;color:#fff;display:flex;align-items:center;white-space:nowrap;position:sticky;top:0;z-index:99999;border-bottom:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;width:max-content;flex-shrink:0;animation:marqueeScroll 18s linear infinite;will-change:transform}
.marquee-group{display:flex;flex-shrink:0}
.marquee-group span{display:inline-block;flex-shrink:0;padding:0 60px;font-size:12px;font-weight:700;letter-spacing:.02em}
@keyframes marqueeScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.app-shell{width:min(1120px,calc(100% - 28px));margin:22px auto 45px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}
.brand-row{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#111827,#475467);color:#fff;font-size:19px;box-shadow:0 8px 20px rgba(16,24,40,.16)}
.brand{font-size:21px;font-weight:800;letter-spacing:-.03em}
.room-code{color:var(--muted);margin-top:3px;font-size:12px}
.room-code strong{color:var(--text);letter-spacing:.12em}
.top-actions{display:flex;flex-wrap:wrap;gap:8px}
.secondary-btn{background:var(--card-solid);border:1px solid var(--border);color:var(--text)}
.secondary-btn:hover{background:var(--soft)}
.danger-btn{background:var(--danger-bg);color:var(--danger)}
.theme-btn{width:43px;padding:10px}

.auth-card{max-width:470px;margin:65px auto;padding:40px;text-align:center}
.lock{font-size:40px;margin-bottom:10px}
.auth-card input{text-align:center;margin-top:16px}
.auth-sub{font-size:13px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:17px;text-align:left;box-shadow:0 8px 30px rgba(16,24,40,.04)}
.stat .stat-icon{font-size:17px;margin-bottom:9px}
.stat strong{display:block;font-size:20px;letter-spacing:-.03em}
.stat span{display:block;margin-top:4px;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}

.text-card,.files-card{padding:22px;margin-bottom:14px}
.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}
.section-title h2{margin-bottom:5px;font-size:19px}
.section-title p{margin-bottom:0;font-size:12px}
.section-tools{display:flex;gap:7px;flex-wrap:wrap}
.mini-btn{border:1px solid var(--border);background:var(--soft);color:var(--text);border-radius:10px;padding:8px 10px;font-size:12px;font-weight:700;cursor:pointer}
.status{font-size:12px;font-weight:700;padding:7px 10px;border-radius:999px;background:var(--soft);color:var(--muted)}
.status:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#12b76a;margin-right:6px}
textarea{min-height:355px;resize:vertical;padding:17px;line-height:1.65;font-size:14px}
.counter{display:flex;justify-content:space-between;gap:10px;margin-top:8px;color:var(--muted);font-size:11px}

.upload-btn{background:var(--primary);color:var(--bg)}
.progress-wrap{margin-bottom:15px}
.progress{height:8px;background:var(--soft);border-radius:99px;overflow:hidden}
.progress div{width:0;height:100%;background:#6366f1;transition:width .15s}
.progress-wrap span{display:block;margin-top:6px;color:var(--muted);font-size:11px}

.file-item{display:flex;align-items:center;gap:13px;padding:13px 0;border-top:1px solid var(--border)}
.file-icon{width:42px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:19px;flex:0 0 auto}
.file-details{min-width:0;flex:1}.file-details strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.file-details span{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.file-actions{display:flex;gap:7px}.download-btn{background:var(--soft);color:var(--text)}.delete-btn{background:var(--danger-bg);color:var(--danger)}
.empty-files{padding:45px 15px;text-align:center;color:var(--muted)}.empty-icon{font-size:38px;margin-bottom:9px}.empty-files strong,.empty-files span{display:block}.empty-files strong{color:var(--text)}.empty-files span{margin-top:5px;font-size:12px}

.bottom-footer{width:100%;margin-top:24px;overflow:hidden;background:#0b1020;color:#fff}.footer-marquee{width:100%;height:34px;overflow:hidden;display:flex;align-items:center;white-space:nowrap}.footer-track{display:flex;width:max-content;align-items:center;animation:footerMove 20s linear infinite}.footer-track span{flex:0 0 auto;padding-right:100px;font-size:12px;font-weight:700}@keyframes footerMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.qr-overlay{position:fixed;inset:0;background:rgba(2,6,23,.72);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;padding:20px;z-index:10000}
.qr-modal{position:relative;width:min(390px,100%);background:var(--card-solid);color:var(--text);border:1px solid var(--border);border-radius:25px;padding:30px;text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.25)}
.qr-modal h2{margin-bottom:6px}.qrcode-box{background:#fff;padding:13px;border-radius:16px;width:max-content;margin:20px auto}.qrcode-box canvas,.qrcode-box img{display:block}.qr-link{padding:10px;border-radius:10px;background:var(--soft);color:var(--muted);font-size:10px;word-break:break-all}.qr-close{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--muted);font-size:27px;cursor:pointer}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#101828;color:#fff;padding:11px 15px;border-radius:12px;font-size:12px;font-weight:700;box-shadow:0 12px 35px rgba(0,0,0,.22);transition:.25s;z-index:11000}.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:720px){
 .center-page{min-height:calc(100vh - 34px);padding:18px 12px}
 .home-card{padding:31px 20px}.home-card h1{font-size:30px}
 .app-shell{width:calc(100% - 20px);margin:13px auto 30px}
 .topbar{align-items:flex-start;flex-direction:column}
 .top-actions{width:100%}.top-actions button{flex:1}.theme-btn{flex:0 0 43px!important}
 .stats{grid-template-columns:repeat(2,1fr)}.stat{padding:14px}
 .section-title{align-items:stretch;flex-direction:column}.section-tools{width:100%}.section-tools .mini-btn{flex:1}
 .upload-btn{width:100%}.file-item{align-items:flex-start}.file-actions{flex-direction:column}
 .text-card,.files-card,.auth-card{padding:18px}.auth-card{margin:35px auto}
 textarea{min-height:300px}.file-actions a,.file-actions button{padding:9px 11px;font-size:11px}
 .marquee-group span{padding:0 35px}
}
@media(prefers-reduced-motion:reduce){.marquee-track,.footer-track{animation:none}.primary-btn,.upload-btn{transition:none}}

/* Room storage meter */
.storage-meter-wrap{margin-top:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted,#7d8493)}
.storage-meter{height:7px;flex:1;min-width:140px;background:rgba(127,127,127,.16);border-radius:999px;overflow:hidden}
.storage-meter>div{height:100%;width:0;border-radius:inherit;background:currentColor;transition:width .25s ease}


/* Premium shared-text tabs */
.text-tabs-bar{display:flex;align-items:center;gap:9px;margin:15px 0 10px;padding:6px;background:var(--soft);border:1px solid var(--border);border-radius:16px;overflow:hidden}
.text-tabs{display:flex;align-items:center;gap:6px;min-width:0;overflow-x:auto;scrollbar-width:thin;flex:1;padding:1px}
.text-tab{flex:0 0 auto;border:1px solid transparent;background:transparent;color:var(--muted);border-radius:11px;padding:9px 13px;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;cursor:pointer;transition:.18s;max-width:180px}
.text-tab:hover{background:var(--card-solid);color:var(--text);border-color:var(--border)}
.text-tab.active{background:var(--card-solid);color:var(--text);border-color:var(--border);box-shadow:0 5px 14px rgba(16,24,40,.08)}
.tab-dot{width:6px;height:6px;border-radius:50%;background:#98a2b3;flex:0 0 auto}.text-tab.active .tab-dot{background:#6366f1}
.tab-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.add-tab-btn{flex:0 0 auto;border:1px dashed var(--border);background:transparent;color:var(--text);border-radius:11px;padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer;transition:.18s}.add-tab-btn:hover{background:var(--card-solid);transform:translateY(-1px)}
@media(max-width:720px){.text-tabs-bar{padding:5px}.add-tab-btn span{display:none}.add-tab-btn{width:39px;padding:9px}.text-tab{padding:9px 11px;max-width:140px}}

/* Participant clear confirmation */
.clear-confirm-modal{width:min(430px,100%)}
.confirm-icon{width:54px;height:54px;margin:0 auto 12px;border-radius:18px;display:grid;place-items:center;background:var(--soft);font-size:25px;border:1px solid var(--border)}
.clear-code-display{margin:18px auto;padding:14px 22px;width:max-content;min-width:150px;border-radius:16px;border:1px dashed var(--border);background:var(--soft);font-size:30px;font-weight:900;letter-spacing:9px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.clear-code-input{text-align:center;text-transform:uppercase;letter-spacing:8px;font-size:20px;font-weight:800}
.confirm-actions{display:flex;gap:10px;margin-top:15px}.confirm-actions>*{flex:1}

.scan-room-btn{width:100%;margin-top:10px}.scanner-modal{width:min(470px,100%)}.qr-reader{margin:18px auto 10px;overflow:hidden;border-radius:18px;border:1px solid var(--border);background:#000;min-height:260px}.qr-reader video{border-radius:16px}.qr-reader__dashboard{padding:8px!important}.qr-reader__dashboard_section_csr button{border-radius:10px!important}.scan-status{font-size:12px}

/* Fixed Header */
.fixed-header {
    position: fixed;
    top: 30px;
    left: 0;
    width: 100%;
    height: 60px;

    display: flex;
    align-items: center;
    justify-content: center; /* Text exactly center */

    background: #181818;
    color: white;
    z-index: 9999;
}

.website-name {
    font-size: 22px;
    font-weight: bold;
}

/* Content ko header ke neeche se start karna */
.page-content {
    padding-top: 75px;
}