/* style4d · базовые компоненты для всех страниц */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--c1);outline-offset:3px;border-radius:6px}
::selection{background:var(--c2-soft);color:var(--ink)}

.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* aurora-фон страницы */
.aurora{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(38% 30% at 10% 8%,rgba(109,92,255,.16),transparent 70%),
    radial-gradient(34% 28% at 92% 6%,rgba(255,122,89,.13),transparent 70%),
    radial-gradient(40% 32% at 84% 84%,rgba(0,194,168,.14),transparent 70%),
    radial-gradient(30% 26% at 12% 92%,rgba(255,209,102,.16),transparent 70%)}
.page{position:relative;z-index:1}

/* шапка-пилюля */
.topbar{margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 22px;border-radius:var(--radius-pill);background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow-sm)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.logo i{width:26px;height:26px;border-radius:9px;background:var(--grad-main);display:inline-block;flex-shrink:0}
.nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.nav a{color:var(--muted);font-size:14px;padding:8px 12px;border-radius:var(--radius-pill)}
.nav a:hover{color:var(--ink);background:var(--soft)}
.nav a.is-active{color:var(--ink);background:var(--soft)}
.top-actions{display:flex;align-items:center;gap:8px}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-pill);
  background:var(--ink);color:#fff;font:600 14px/1 var(--font);border:0;cursor:pointer;white-space:nowrap}
.btn:hover{background:#000}
.btn--grad{background:var(--grad-main);box-shadow:0 10px 24px rgba(109,92,255,.28)}
.btn--grad:hover{filter:brightness(1.07);background:var(--grad-main)}
.btn--ghost{background:rgba(255,255,255,.75);color:var(--ink);border:1px solid var(--line-2)}
.btn--ghost:hover{background:#fff;border-color:#cdd0de}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-sm{padding:9px 16px;font-size:13px}

/* стекло */
.glass{background:rgba(255,255,255,.7);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.card--pad{padding:24px}

/* заголовки */
h1,h2,h3,h4{font-family:var(--font);letter-spacing:-.025em;margin:0}
h1{font-weight:800;font-size:clamp(40px,5vw,66px);line-height:1.02}
h1 .grad{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-weight:800;font-size:clamp(26px,2.6vw,34px);line-height:1.15}
h3{font-weight:700;font-size:19px;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
.muted{color:var(--muted)}
.small{font-size:13.5px}

/* бейджи и пилюли */
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius-pill);
  background:var(--soft);color:var(--muted);font-size:12.5px}
.badge i{width:8px;height:8px;border-radius:50%;background:var(--c2);display:inline-block}
.tag{display:inline-block;padding:5px 10px;border-radius:var(--radius-pill);background:var(--soft);color:var(--muted);font-size:12px}

/* поля */
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select{width:100%;padding:13px 14px;border-radius:var(--radius-md);border:1px solid var(--line-2);
  background:#fff;color:var(--ink);font:15px/1.3 var(--font)}
.field input:focus-visible,.field select:focus-visible{outline:3px solid rgba(109,92,255,.35);outline-offset:1px;border-color:var(--c1)}
.err{color:#c0392b;font-size:13px;min-height:1.4em}
.note{font-size:12.5px;color:var(--muted)}

/* подвал */
.footer{margin-top:56px;border-top:1px solid var(--line);padding:26px 0 40px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.footer b{color:var(--ink);font-weight:600}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a:hover{color:var(--ink)}

/* виджет входа от /auth.js: перекрашиваем под светлую тему */
#auth.auth-global{color:var(--ink)!important}
#auth.auth-global b{color:var(--ink)!important}
#auth.auth-global a{color:var(--ink)!important;border-color:var(--line-2)!important;background:#fff!important}
#auth.auth-global .role-chip{color:var(--muted)!important}
#auth.auth-global button{background:var(--ink)!important;border-color:var(--ink)!important;color:#fff!important}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media (max-width:820px){
  :root{--gutter:18px}
  .topbar{border-radius:22px;flex-wrap:wrap;padding:12px 14px}
  .nav{order:3;width:100%;justify-content:flex-start}
  .footer{flex-direction:column}
}