/* ==========================================================================
   Auth screens (portal sign in / register / reset, admin sign in)
   Concept: the two vertical "light tubes" echo the brandmark "ll" and the glow of the tan can.
   ========================================================================== */
body.auth{min-height:100vh;display:grid;position:relative;overflow-x:hidden}
.auth-theme{position:fixed;top:1rem;right:1rem;z-index:20}
.auth-theme .btn{background:color-mix(in srgb,var(--surface) 70%,transparent);backdrop-filter:blur(10px)}

/* --- glowing tubes ------------------------------------------------------ */
.tubes{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.tube{position:absolute;top:-8%;height:116%;width:clamp(22px,2.6vw,40px);border-radius:80px;
  background:linear-gradient(180deg,rgba(255,236,205,0) 0%,rgba(255,224,176,.5) 16%,rgba(255,246,228,.96) 50%,rgba(255,224,176,.5) 84%,rgba(255,236,205,0) 100%);
  box-shadow:0 0 50px 14px rgba(246,196,120,.32),0 0 130px 50px rgba(214,150,80,.16);
  animation:tube-glow 8s ease-in-out infinite}
.tube.t2{animation-delay:-3s}
.tube.t3{animation-delay:-5s;width:clamp(10px,1.1vw,16px);opacity:.55}
@keyframes tube-glow{0%,100%{opacity:.78;filter:brightness(.96)}50%{opacity:1;filter:brightness(1.12)}}
.haze{position:absolute;inset:0;background:
  radial-gradient(60% 50% at 50% 50%,rgba(246,200,130,.22),transparent 70%),
  radial-gradient(80% 60% at 50% 110%,rgba(0,0,0,.45),transparent 70%)}
.grain{position:absolute;inset:0;opacity:.07;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* --- split layout (portal) ---------------------------------------------- */
body.auth--split{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.auth-hero{position:sticky;top:0;height:100vh;overflow:hidden;color:#EDE4D6;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(1.5rem,3.5vw,3rem);
  background:radial-gradient(120% 90% at 30% 15%,#6a5646 0%,#3a281f 42%,#1a100c 100%)}
.auth-hero .tube.t1{left:calc(50% - 46px)}
.auth-hero .tube.t2{left:calc(50% + 14px)}
.auth-hero .tube.t3{left:calc(50% + 78px)}
.auth-hero>*:not(.tubes){position:relative;z-index:2}
.hero-logo img{height:44px;width:auto;opacity:.95}
.hero-copy .eyebrow{color:#C9BBA7;display:block;margin-bottom:1rem}
.hero-copy h2{color:#F3EBDD;font-size:clamp(2.2rem,4vw,3.6rem);font-weight:300;line-height:1.02}
.hero-copy h2 em{font-style:italic;font-weight:400;color:#E6D3B3}
.hero-foot{display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:#B7A58D;font-weight:600}
.auth-panel{display:flex;align-items:center;justify-content:center;padding:clamp(1.5rem,4vw,3.5rem);min-height:100vh;background:var(--bg);position:relative}
.auth-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 50% at 100% 0%,var(--brand-soft),transparent 70%),radial-gradient(60% 40% at 0% 100%,var(--brand-soft),transparent 70%);pointer-events:none}
.auth-card{position:relative;width:100%;max-width:440px}
.auth-card.wide{max-width:680px}
.auth-card .brand{margin-bottom:2rem}
.auth-card .brand img{height:64px;width:auto}
.auth-card h1{font-size:clamp(2rem,3vw,2.6rem);font-weight:300;margin:.35rem 0 .5rem}
.auth-card h1 em{font-style:italic;font-weight:400}
.auth-card .lead{color:var(--text-2);margin-bottom:1.8rem}
.auth-links{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.4rem;font-size:.88rem;color:var(--text-2)}
.auth-fine{margin-top:2.4rem;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);text-align:center}
.logo-light{display:block}.logo-dark{display:none}
[data-theme=dark] .logo-light{display:none}[data-theme=dark] .logo-dark{display:block}
.logo-fallback-invert{filter:none}
[data-theme=dark] .logo-fallback-invert{filter:brightness(0) invert(.85)}

/* --- centered layout (admin) -------------------------------------------- */
body.auth--center{place-items:center;padding:1.5rem;background:radial-gradient(120% 90% at 50% 0%,var(--bg-2),var(--bg) 70%)}
body.auth--center .tubes{opacity:.42}
[data-theme=dark] body.auth--center .tubes{opacity:.8}
body.auth--center .tube.t1{left:calc(50% - 420px)}
body.auth--center .tube.t2{left:calc(50% - 360px)}
body.auth--center .tube.t3{left:calc(50% + 380px)}
body.auth--center .auth-card{max-width:440px;padding:clamp(1.6rem,4vw,2.8rem);background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
body.auth--center .brand{text-align:center}
body.auth--center .brand img{margin:0 auto;height:58px}
body.auth--center h1,body.auth--center .lead,body.auth--center .eyebrow.c{text-align:center}
.admin-tag{display:inline-flex;align-items:center;gap:.5rem;margin:0 auto 1.2rem;padding:.3rem .9rem;border-radius:99px;border:1px solid var(--line-strong);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;color:var(--text-2)}
.center-wrap{text-align:center}

/* --- registration form extras ------------------------------------------- */
.reg-steps{display:flex;gap:.4rem;margin-bottom:2rem}
.reg-steps span{flex:1;height:3px;border-radius:3px;background:var(--line-strong)}
.reg-steps span.on{background:var(--brand)}
.indemnity{max-height:170px;overflow:auto;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);font-size:.88rem;color:var(--text-2);margin-bottom:1rem}
.skin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}
@media (max-width:640px){.skin-grid{grid-template-columns:1fr}}
.otp-input{font-family:var(--font-display);font-size:2rem;letter-spacing:.5em;text-align:center;padding-left:.9em}

@media (max-width:900px){
  body.auth--split{grid-template-columns:1fr}
  .auth-hero{position:relative;height:auto;min-height:230px;padding:1.4rem 1.4rem 1.6rem}
  .auth-hero .hero-copy h2{font-size:2rem}
  .auth-hero .hero-foot{display:none}
  .auth-hero .tube.t1{left:calc(78% - 40px)}.auth-hero .tube.t2{left:calc(78% + 10px)}.auth-hero .tube.t3{left:calc(78% + 62px)}
  .auth-panel{min-height:0;align-items:flex-start;padding:2rem 1.25rem 3rem}
  .auth-panel::before{display:none}
}