/* =========================================================
   ASTERIA PARIS — Design System
   A quiet, bright/dark celestial luxury system.
   Signature: a constellation rule (dot–line–dot) echoing the
   logo's own mark, used as the page's recurring divider, and
   a slow field of falling stars in the canvas layer behind
   dark-mode content.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500;600&display=swap');

:root{
  /* ---- Light (default) ---- */
  --bg:            #FAF8F2;
  --bg-soft:       #F3EFE4;
  --surface:       #FFFFFF;
  --text:          #16140F;
  --text-muted:    #6B6355;
  --hairline:      rgba(22,20,15,0.12);
  --gold:          #A9824C;
  --gold-bright:   #C9A063;
  --gold-soft:     rgba(169,130,76,0.14);
  --star:          #16140F;
  --shadow:        0 20px 60px rgba(22,20,15,0.08);
  --overlay:       rgba(250,248,242,0.86);

  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body:    'Jost', 'Helvetica Neue', Arial, sans-serif;

  --radius: 2px;
  --transition: 420ms cubic-bezier(.22,.61,.36,1);
}

[data-theme="dark"]{
  --bg:            #0A0A10;
  --bg-soft:       #121219;
  --surface:       #15151E;
  --text:          #F2EFE6;
  --text-muted:    #9C9686;
  --hairline:      rgba(242,239,230,0.12);
  --gold:          #D4AF6A;
  --gold-bright:   #E8C888;
  --gold-soft:     rgba(212,175,106,0.12);
  --star:          #F2EFE6;
  --shadow:        0 20px 60px rgba(0,0,0,0.5);
  --overlay:       rgba(10,10,16,0.86);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

h1,h2,h3,.display{
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
button{ font-family: inherit; }

.eyebrow{
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

/* ---------- Falling stars canvas ---------- */
#stars-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}
[data-theme="light"] #stars-canvas{ opacity: 0.35; }

.page{ position: relative; z-index: 1; }

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px 6vw;
  background: var(--overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.nav__logo img{
  height: 40px;
  width: auto;
  filter: var(--logo-filter, none);
}
[data-theme="dark"] .nav__logo img{
  /* logo linework is black; invert so it reads on dark backgrounds */
  filter: invert(1) brightness(1.35) saturate(0.9);
}
.nav__links{
  display:flex;
  align-items:center;
  gap: 34px;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}
.nav__links a{
  color: var(--text-muted);
  transition: color var(--transition);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav__links a:hover, .nav__links a.active{
  color: var(--text);
  border-color: var(--gold);
}
.nav__actions{ display:flex; align-items:center; gap: 18px; }

/* ---------- Theme toggle ---------- */
.theme-toggle{
  position: relative;
  width: 56px;
  height: 28px;
  border-radius: 20px;
  border: 1px solid var(--hairline);
  background: var(--bg-soft);
  cursor: pointer;
  display:flex;
  align-items:center;
  padding: 3px;
}
.theme-toggle__thumb{
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  display:flex;
  align-items:center;
  justify-content:center;
  transition: transform var(--transition), background var(--transition);
  font-size: 11px;
  color: var(--bg);
}
[data-theme="dark"] .theme-toggle__thumb{ transform: translateX(28px); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}
.btn:hover{ background: var(--gold); color: var(--bg); }
.btn--solid{ background: var(--gold); color: var(--bg); }
.btn--solid:hover{ background: var(--gold-bright); border-color: var(--gold-bright); }
.btn--ghost{ border-color: var(--hairline); }
.btn--ghost:hover{ background: var(--surface); color: var(--text); }
.btn--block{ width: 100%; }
.btn[disabled]{ opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ---------- Constellation divider (signature element) ---------- */
.constellation{
  display:flex;
  align-items:center;
  gap: 10px;
  width: 100%;
  max-width: 220px;
  margin: 28px auto;
}
.constellation::before, .constellation::after{
  content:"";
  flex:1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.constellation__dot{
  width: 5px; height:5px; border-radius:50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

/* ---------- Hero ---------- */
.hero{
  min-height: 88vh;
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding: 8vh 6vw 6vh;
}
.hero img.hero__logo{
  width: min(560px, 80vw);
  margin-bottom: 18px;
}
[data-theme="dark"] .hero img.hero__logo{ filter: invert(1) brightness(1.35) saturate(0.9); }
.hero__tag{
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.5;
}
.hero__cta{ display:flex; gap: 16px; }

/* ---------- Perk strip ---------- */
.perks{
  display:flex;
  flex-wrap: wrap;
  justify-content:center;
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.perk{
  flex: 1 1 240px;
  text-align:center;
  padding: 26px 20px;
  border-right: 1px solid var(--hairline);
}
.perk:last-child{ border-right: none; }
.perk__title{ font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 4px; }
.perk__sub{ font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.03em; }

/* ---------- Section ---------- */
.section{ padding: 90px 6vw; }
.section__head{ text-align:center; margin-bottom: 54px; }
.section__title{ font-size: clamp(1.8rem, 3vw, 2.6rem); margin-top: 10px; }

/* ---------- Category grid ---------- */
.cat-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 280px));
  justify-content: center;
  gap: 22px;
  max-width: 1160px;
  margin: 0 auto;
}
.cat-box{
  position: relative;
  aspect-ratio: 3/4;
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow:hidden;
  cursor:pointer;
  transition: border-color var(--transition), transform var(--transition);
}
.cat-box:hover{ border-color: var(--gold); transform: translateY(-4px); }
.cat-box__img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
  opacity: 0.82;
  transition: opacity var(--transition), transform 900ms ease;
}
.cat-box:hover .cat-box__img{ opacity: 1; transform: scale(1.04); }
.cat-box__scrim{
  position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.55));
}
.cat-box__label{
  position:absolute; left:0; right:0; bottom:0;
  padding: 20px;
  color: #F2EFE6;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.cat-box__count{
  display:block; font-family: var(--font-body); font-size: 0.68rem;
  letter-spacing: 0.18em; text-transform:uppercase; color: #C9A063; margin-top:4px;
}
.cat-box__price-was{
  text-decoration: line-through;
  color: rgba(255,255,255,0.55);
  font-size: 0.7rem;
  margin-right: 6px;
}
.cat-box__price-now{
  font-size: 0.78rem;
  font-weight: 600;
  color: #E8C888;
}
.sale-badge{
  position:absolute; top:12px; left:12px; z-index:2;
  background: var(--gold); color: var(--bg);
  font-size: 0.66rem; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  padding: 4px 10px; border-radius: 2px;
}
.sale-badge--soldout{ background: rgba(20,20,20,0.85); color: #fff; }
.cat-box--soldout .cat-box__img{ opacity: 0.45; filter: grayscale(0.4); }
.cat-box--soldout:hover{ transform: none; border-color: var(--hairline); }
.cat-grid__empty{
  text-align:center; color: var(--text-muted); font-size: 0.9rem;
  grid-column: 1/-1; padding: 40px; border: 1px dashed var(--hairline);
}

/* ---------- Auth card ---------- */
.auth-wrap{
  min-height: 92vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 60px 6vw;
}
.auth-card{
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 46px 40px;
  box-shadow: var(--shadow);
}
.auth-card__logo{ width: 150px; margin: 0 auto 8px; }
[data-theme="dark"] .auth-card__logo{ filter: invert(1) brightness(1.35) saturate(0.9); }
.auth-card h1{ text-align:center; font-size: 1.7rem; }
.auth-card__sub{ text-align:center; color: var(--text-muted); font-size: 0.85rem; margin: 6px 0 26px; }

.tabbar{
  display:flex;
  border: 1px solid var(--hairline);
  margin-bottom: 26px;
}
.tabbar button{
  flex:1; padding: 11px; background:none; border:none; cursor:pointer;
  color: var(--text-muted); font-size: 0.78rem; letter-spacing: 0.1em; text-transform:uppercase;
  transition: all var(--transition);
}
.tabbar button.active{ background: var(--gold-soft); color: var(--gold); }

.field{ margin-bottom: 18px; }
.field label{
  display:block; font-size: 0.72rem; letter-spacing: 0.12em; text-transform:uppercase;
  color: var(--text-muted); margin-bottom: 7px;
}
.field input, .field select{
  width:100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--hairline);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.field input:focus, .field select:focus{
  outline: none;
  border-color: var(--gold);
}
.field-row{ display:flex; gap: 10px; }
.field-row .field{ flex:1; }

.otp-boxes{ display:flex; gap: 8px; justify-content:center; margin-bottom: 18px; }
.otp-boxes input{
  width: 44px; height: 52px; text-align:center; font-size: 1.3rem;
  background: var(--bg); border: 1px solid var(--hairline); color: var(--text);
  border-radius: var(--radius);
}
.otp-boxes input:focus{ outline:none; border-color: var(--gold); }

.form-note{ font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; text-align:center; }
.form-note a{ color: var(--gold); border-bottom: 1px solid var(--gold); }

.alert{
  font-size: 0.82rem;
  padding: 11px 14px;
  border-left: 2px solid var(--gold);
  background: var(--gold-soft);
  color: var(--text);
  margin-bottom: 18px;
  display:none;
}
.alert.show{ display:block; }
.alert.error{ border-color:#C0554A; background: rgba(192,85,74,0.12); }
.alert.success{ border-color:#6E9B6E; background: rgba(110,155,110,0.12); }

#recaptcha-container{ display:flex; justify-content:center; margin-bottom: 16px; }

/* ---------- Footer ---------- */
.footer{
  border-top: 1px solid var(--hairline);
  padding: 60px 6vw 30px;
  text-align:center;
}
.footer img{ width: 120px; margin: 0 auto 18px; opacity: 0.9; }
[data-theme="dark"] .footer img{ filter: invert(1) brightness(1.35) saturate(0.9); }
.footer p{ color: var(--text-muted); font-size: 0.78rem; letter-spacing: 0.03em; }

/* ---------- Utility ---------- */
.center{ text-align:center; }
.mt-1{ margin-top: 8px; } .mt-2{ margin-top:16px; } .mt-3{ margin-top:28px; }

@media (max-width: 720px){
  .nav__links{ display:none; }
  .perks{ flex-direction: column; }
  .perk{ border-right:none; border-bottom: 1px solid var(--hairline); }
  .perk:last-child{ border-bottom:none; }
  .auth-card{ padding: 34px 24px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}