/* ============================================================================
   TopToDay Portal — shared shell design system
   Header + left sidebar + footer + modals (contact / auth) + chat dock.
   Scoped under .tt-* so it never fights with a page's own styles.
   ========================================================================== */
:root{
  --tt-bg:#0a0b10;
  --tt-surface:#12131b;
  --tt-surface-2:#171925;
  --tt-border:#252736;
  --tt-fg:#eceef5;
  --tt-muted:#9aa0b4;
  --tt-accent:#6d7cff;
  --tt-accent-2:#8b5cf6;
  --tt-accent-grad:linear-gradient(135deg,#6d7cff,#8b5cf6);
  --tt-ok:#34d399;
  --tt-warn:#fbbf24;
  --tt-err:#f87171;
  --tt-header-h:62px;
  --tt-sidebar-w:248px;
  --tt-radius:14px;
  --tt-shadow:0 18px 48px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
body.tt-portal{margin:0;min-height:100vh;background:var(--tt-bg);color:var(--tt-fg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}
.tt-skip{position:absolute;left:-9999px;top:0;background:#000;color:#fff;padding:10px;z-index:100000}
.tt-skip:focus{left:8px;top:8px}

/* ---- Header ------------------------------------------------------------- */
#tt-header{position:fixed;top:0;left:0;right:0;height:var(--tt-header-h);z-index:9000;
  display:flex;align-items:center;gap:18px;padding:0 18px;
  background:rgba(10,11,16,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--tt-border)}
.tt-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--tt-fg);flex:0 0 auto}
.tt-brand .tt-logo{width:32px;height:32px;border-radius:9px;background:var(--tt-accent-grad);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px}
.tt-brand b{font-size:17px;letter-spacing:-.01em}
.tt-brand span{color:var(--tt-muted);font-size:11px;font-weight:600;display:block;margin-top:-2px}
.tt-topnav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;flex-wrap:nowrap;overflow:hidden}
.tt-topnav a{color:var(--tt-muted);text-decoration:none;font-size:14px;font-weight:500;padding:8px 12px;border-radius:9px;white-space:nowrap}
.tt-topnav a:hover{color:var(--tt-fg);background:var(--tt-surface-2)}
.tt-topnav a.tt-active{color:#fff;background:var(--tt-surface-2)}
.tt-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.tt-btn{border:1px solid var(--tt-border);background:var(--tt-surface-2);color:var(--tt-fg);
  padding:9px 15px;border-radius:10px;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;gap:7px;transition:.18s}
.tt-btn:hover{border-color:var(--tt-accent);color:#fff}
.tt-btn.tt-primary{background:var(--tt-accent-grad);border-color:transparent;color:#fff;box-shadow:0 8px 22px rgba(109,124,255,.32)}
.tt-btn.tt-primary:hover{filter:brightness(1.08)}
.tt-lang{display:inline-flex;border:1px solid var(--tt-border);border-radius:10px;overflow:hidden}
.tt-lang button{border:0;background:transparent;color:var(--tt-muted);padding:8px 11px;font-size:12.5px;font-weight:700;cursor:pointer}
.tt-lang button.tt-on{background:var(--tt-accent-grad);color:#fff}
.tt-burger{display:none;background:var(--tt-surface-2);border:1px solid var(--tt-border);color:var(--tt-fg);
  border-radius:10px;width:40px;height:40px;font-size:18px;cursor:pointer}

/* ---- Sidebar ------------------------------------------------------------ */
#tt-sidebar{position:fixed;top:var(--tt-header-h);left:0;bottom:0;width:var(--tt-sidebar-w);z-index:8500;
  background:var(--tt-surface);border-right:1px solid var(--tt-border);padding:14px 12px;overflow-y:auto}
.tt-side-h{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--tt-muted);
  font-weight:700;padding:10px 10px 6px}
.tt-side-link{display:flex;align-items:center;gap:11px;padding:10px 11px;border-radius:10px;color:var(--tt-fg);
  text-decoration:none;font-size:14px;font-weight:500;margin-bottom:2px}
.tt-side-link .tt-ic{width:22px;text-align:center;font-size:16px;flex:0 0 auto}
.tt-side-link small{color:var(--tt-muted);font-size:11.5px;display:block;font-weight:500}
.tt-side-link:hover{background:var(--tt-surface-2)}
.tt-side-link.tt-active{background:var(--tt-accent-grad);color:#fff}
.tt-side-link.tt-active small{color:rgba(255,255,255,.82)}
.tt-side-sep{height:1px;background:var(--tt-border);margin:10px 6px}

/* ---- Content ------------------------------------------------------------ */
body.tt-portal .tt-main{margin-left:var(--tt-sidebar-w);padding-top:var(--tt-header-h);min-height:100vh}
.tt-content{max-width:1080px;margin:0 auto;padding:30px 24px 80px}
.tt-hero{padding:22px 0 6px}
.tt-hero h1{font-size:2.1em;margin:0 0 10px;letter-spacing:-.02em}
.tt-hero p{color:var(--tt-muted);font-size:1.05em;margin:0;max-width:720px}
.tt-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:22px 0}
.tt-card{background:var(--tt-surface);border:1px solid var(--tt-border);border-radius:var(--tt-radius);padding:20px}
.tt-card h3{margin:0 0 8px;font-size:1.05em}
.tt-card p{color:var(--tt-muted);font-size:.9em;margin:0 0 12px}
.tt-card .tt-tag{display:inline-block;font-size:11px;font-weight:700;color:var(--tt-accent);
  border:1px solid var(--tt-accent);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.tt-card a.tt-btn{width:100%;justify-content:center;margin-top:6px}
.tt-section-title{font-size:1.4em;margin:36px 0 6px}
.tt-section-sub{color:var(--tt-muted);margin:0 0 12px}
.tt-form{display:grid;gap:12px}
.tt-field label{display:block;font-size:12.5px;font-weight:600;color:var(--tt-muted);margin-bottom:5px}
.tt-field input,.tt-field textarea,.tt-field select{width:100%;background:var(--tt-surface-2);
  border:1px solid var(--tt-border);color:var(--tt-fg);border-radius:10px;padding:11px 12px;font-size:14px;font-family:inherit}
.tt-field input:focus,.tt-field textarea:focus,.tt-field select:focus{outline:none;border-color:var(--tt-accent)}
.tt-row{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.tt-note{color:var(--tt-muted);font-size:12px}
.tt-okmsg{color:var(--tt-ok);font-size:13.5px;font-weight:600}
.tt-errmsg{color:var(--tt-err);font-size:13.5px;font-weight:600}

/* ---- Footer ------------------------------------------------------------- */
#tt-footer{margin-left:var(--tt-sidebar-w);border-top:1px solid var(--tt-border);background:var(--tt-surface)}
.tt-footer-in{max-width:1080px;margin:0 auto;padding:34px 24px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.tt-footer-in h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--tt-muted)}
.tt-footer-in a{display:block;color:var(--tt-fg);text-decoration:none;font-size:13.5px;padding:4px 0;opacity:.86}
.tt-footer-in a:hover{opacity:1;color:var(--tt-accent)}
.tt-copy{margin-left:var(--tt-sidebar-w);padding:16px 24px;color:var(--tt-muted);font-size:12.5px;border-top:1px solid var(--tt-border);text-align:center}

/* ---- Modal -------------------------------------------------------------- */
.tt-modal{position:fixed;inset:0;z-index:9500;display:none;align-items:center;justify-content:center;background:rgba(4,5,9,.72);padding:18px}
.tt-modal.tt-open{display:flex}
.tt-dialog{position:relative;background:var(--tt-surface);border:1px solid var(--tt-border);border-radius:18px;
  width:100%;max-width:460px;max-height:92vh;overflow-y:auto;box-shadow:var(--tt-shadow);padding:24px}
.tt-dialog h3{margin:0 0 4px;font-size:1.25em}
.tt-dialog .tt-sub{color:var(--tt-muted);font-size:13px;margin:0 0 16px}
.tt-x{position:absolute;top:12px;right:14px;background:transparent;border:0;color:var(--tt-muted);font-size:22px;cursor:pointer}
.tt-tabs{display:flex;gap:6px;border-bottom:1px solid var(--tt-border);margin-bottom:16px;flex-wrap:wrap}
.tt-tabs button{background:transparent;border:0;border-bottom:2px solid transparent;color:var(--tt-muted);
  padding:9px 10px;font-size:13.5px;font-weight:600;cursor:pointer}
.tt-tabs button.tt-on{color:#fff;border-bottom-color:var(--tt-accent)}
.tt-oauth{display:grid;gap:9px;margin-top:6px}
.tt-oauth a,.tt-oauth button{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  background:var(--tt-surface-2);border:1px solid var(--tt-border);color:var(--tt-fg);border-radius:10px;
  padding:11px;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none}
.tt-oauth a:hover,.tt-oauth button:hover{border-color:var(--tt-accent)}
.tt-or{text-align:center;color:var(--tt-muted);font-size:12px;margin:12px 0}
#tt-tg-login{display:flex;justify-content:center;min-height:0}

/* ---- Mobile ------------------------------------------------------------- */
@media(max-width:900px){
  .tt-topnav{display:none}
  .tt-burger{display:inline-flex;align-items:center;justify-content:center}
  #tt-sidebar{transform:translateX(-100%);transition:transform .22s ease;width:270px;box-shadow:var(--tt-shadow)}
  body.tt-nav-open #tt-sidebar{transform:translateX(0)}
  body.tt-nav-open::after{content:"";position:fixed;inset:var(--tt-header-h) 0 0 0;background:rgba(0,0,0,.5);z-index:8000}
  body.tt-portal .tt-main,#tt-footer,.tt-copy{margin-left:0}
  .tt-row{grid-template-columns:1fr}
  .tt-content{padding:22px 16px 72px}
  .tt-hero h1{font-size:1.6em}
}
@media(min-width:901px){ .tt-mobile-only{display:none!important} }

/* ---- Bilingual content (long-form) -------------------------------------- */
body.tt-lang-ru .tt-en{display:none!important}
body.tt-lang-en .tt-ru{display:none!important}

/* ---- Unified payment buttons -------------------------------------------- */
.tt-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.tt-pay a,.tt-pay button{flex:1 1 130px;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:12px 16px;border-radius:11px;font-size:13.5px;font-weight:700;text-decoration:none;cursor:pointer;
  border:1px solid var(--tt-border);background:var(--tt-surface-2);color:var(--tt-fg);transition:.18s}
.tt-pay a:hover,.tt-pay button:hover{border-color:var(--tt-accent);transform:translateY(-1px)}
.tt-pay .tt-pay-card{background:var(--tt-accent-grad);border-color:transparent;color:#fff}
.tt-pay .tt-pay-crypto{background:#161a24;border-color:#2b3040}
.tt-price{font-size:1.9em;font-weight:800;color:#fff;margin:6px 0}
.tt-price small{font-size:.45em;color:var(--tt-muted);font-weight:600}
.tt-old{color:var(--tt-muted);text-decoration:line-through;font-size:.8em;margin-left:8px}
.tt-feat{list-style:none;padding:0;margin:12px 0 0}
.tt-feat li{padding:5px 0 5px 22px;position:relative;color:var(--tt-muted);font-size:.88em}
.tt-feat li:before{content:"\2713";position:absolute;left:0;color:var(--tt-ok);font-weight:700}
.tt-steps{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));margin:22px 0}
.tt-step{background:var(--tt-surface);border:1px solid var(--tt-border);border-radius:var(--tt-radius);padding:18px}
.tt-step .tt-n{display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--tt-accent-grad);
  color:#fff;align-items:center;justify-content:center;font-weight:700;font-size:13px;margin-bottom:8px}
.tt-stat{text-align:center}
.tt-stat b{display:block;font-size:1.8em;color:#fff}
.tt-stat span{color:var(--tt-muted);font-size:.82em}
.tt-pill{display:inline-block;background:rgba(109,124,255,.14);color:var(--tt-accent);border-radius:999px;
  padding:5px 13px;font-size:12.5px;font-weight:600;margin:0 6px 6px 0}
.tt-cta-band{background:linear-gradient(135deg,rgba(109,124,255,.16),rgba(139,92,246,.10));
  border:1px solid var(--tt-border);border-radius:18px;padding:28px;margin:30px 0;display:flex;
  gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.tt-cta-band h3{margin:0 0 4px}
.tt-cta-band p{margin:0;color:var(--tt-muted)}
.tt-profile{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.tt-avatar{width:52px;height:52px;border-radius:50%;background:var(--tt-accent-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2em}
.tt-kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:16px 0}
.tt-kv .tt-card{padding:16px}
.tt-code{background:var(--tt-surface-2);border:1px dashed var(--tt-accent);border-radius:10px;
  padding:12px;font-family:ui-monospace,Menlo,monospace;font-size:13px;word-break:break-all;color:#cdd3ff}

/* ---- Legal documents ---------------------------------------------------- */
.tt-legal{max-width:880px;line-height:1.68}
.tt-legal h2{font-size:18px;margin:26px 0 8px;color:#fff;letter-spacing:-.01em}
.tt-legal h2:first-child{margin-top:4px}
.tt-legal p{margin:0 0 11px;font-size:14.5px;color:var(--tt-fg);opacity:.9}
.tt-legal a{color:var(--tt-accent)}
.tt-legal-hero{padding-bottom:2px}
.tt-legal-hero h1{font-size:1.7em}
.tt-legal-hero .tt-note{margin:0 0 10px}
.tt-legal-see{margin-top:18px;padding-top:14px;border-top:1px solid var(--tt-border)}
.tt-copy a{color:var(--tt-muted);text-decoration:none}
.tt-copy a:hover{color:var(--tt-accent)}

/* ---- Clickwrap (payments / signup) -------------------------------------- */
.tt-pay .tt-cw-wrap,.tt-form .tt-cw-wrap{flex:1 1 100%;width:100%;margin:0 0 6px}
.tt-cw-wrap{border:1px solid var(--tt-border);background:var(--tt-surface-2);
  border-radius:12px;padding:12px 14px}
.tt-cw{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-size:13px;
  color:var(--tt-fg);line-height:1.45}
.tt-cw-box{flex:0 0 auto;width:18px;height:18px;margin:2px 0 0;accent-color:var(--tt-accent);cursor:pointer}
.tt-cw-links{margin:7px 0 0 28px;font-size:12.5px;line-height:1.5}
.tt-pay .tt-cw-links a,.tt-form .tt-cw-links a{flex:0 0 auto;display:inline;padding:0;border:0;
  background:none;min-height:0;font-weight:500;font-size:12.5px;color:var(--tt-accent);text-decoration:none}
.tt-pay .tt-cw-links a:hover{transform:none;border:0;text-decoration:underline}
.tt-cw-hint{margin:6px 0 0 28px;font-size:12.5px}
.tt-cw-hint:empty{display:none}
.tt-pay.tt-cw-locked .tt-pay-card,.tt-pay.tt-cw-locked .tt-pay-crypto{
  opacity:.45;cursor:not-allowed;filter:grayscale(.45)}
.tt-pay.tt-cw-locked .tt-pay-card:hover,.tt-pay.tt-cw-locked .tt-pay-crypto:hover{
  border-color:var(--tt-border);transform:none}
.tt-btn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.45)}

@media(max-width:900px){
  .tt-legal-hero h1{font-size:1.35em}
  .tt-legal h2{font-size:16px;margin:22px 0 7px}
  .tt-legal p{font-size:14px}
  .tt-legal{padding:16px}
  .tt-cw{font-size:12.5px}
}