/* ══════════════════════════════════════════════
   Fanfan — auth.css  (login + signup shared)
   Warm dark/light, Playfair + Sora
══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,800;1,600&family=Sora:wght@300;400;500;600;700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{height:100%}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit}

/* ── Tokens ── */
:root{
  --rose:#e0365a;--rose2:#c02040;
  --roseL:rgba(224,54,90,.1);--roseL2:rgba(224,54,90,.2);
  --gold:#c8962a;
  --bg:#faf9f8;--bg2:#f3f1ef;
  --card:#ffffff;--card2:#f7f5f2;
  --ink:#1a1512;--ink2:#4a3d35;--muted:#8a7a6e;
  --border:rgba(26,21,18,.09);--brdl:rgba(26,21,18,.05);
  --sh:0 2px 8px rgba(26,21,18,.06),0 12px 40px rgba(26,21,18,.08);
  --sh2:0 24px 64px rgba(26,21,18,.13);
  --font-d:'Playfair Display',Georgia,serif;
  --font-b:'Sora',system-ui,sans-serif;
  --r:16px;
}
[data-theme=dark]{
  --bg:#0d0b0a;--bg2:#131110;
  --card:#181512;--card2:#201c18;
  --ink:#f5f0eb;--ink2:#c4b5a8;--muted:#6e6057;
  --border:rgba(245,240,235,.07);--brdl:rgba(245,240,235,.04);
  --sh:0 2px 8px rgba(0,0,0,.3),0 12px 40px rgba(0,0,0,.4);
  --sh2:0 24px 64px rgba(0,0,0,.55);
}

body{
  font-family:var(--font-b);background:var(--bg);color:var(--ink);
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:28px 16px;position:relative;overflow-x:hidden;
  transition:background .25s,color .25s;
}
/* ambient glow */
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 55% 45% at 85% 15%,rgba(224,54,90,.06) 0%,transparent 60%),
    radial-gradient(ellipse 45% 55% at 15% 85%,rgba(200,150,42,.05) 0%,transparent 60%);
  transition:opacity .3s;
}
[data-theme=dark] body::before{
  background:
    radial-gradient(ellipse 55% 45% at 85% 15%,rgba(224,54,90,.13) 0%,transparent 60%),
    radial-gradient(ellipse 45% 55% at 15% 85%,rgba(200,150,42,.09) 0%,transparent 60%);
}

/* ── Layout ── */
.auth-wrap{
  position:relative;z-index:1;width:100%;max-width:430px;
  animation:authUp .5s cubic-bezier(.16,1,.3,1) both;
}
@keyframes authUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ── Top bar ── */
.auth-top{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:28px;
}
.auth-logo{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-d);font-size:22px;font-weight:800;
  color:var(--ink);
}
.auth-logo img{height:36px;width:auto;display:block;border-radius:8px}
.auth-logo-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--rose),#a01830);
  border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.auth-logo-icon svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2}

/* ── Theme toggle ── */
.theme-btn{
  width:38px;height:38px;border-radius:50%;
  background:var(--bg2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:all .18s;flex-shrink:0;
}
.theme-btn:hover{color:var(--rose);border-color:var(--roseL2);background:var(--roseL)}
.theme-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.i-sun{display:none}.i-moon{display:block}
[data-theme=dark] .i-sun{display:block}
[data-theme=dark] .i-moon{display:none}

/* ── Card ── */
.auth-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:20px;padding:34px 30px;box-shadow:var(--sh);
}
.auth-title{font-family:var(--font-d);font-size:25px;font-weight:800;color:var(--ink);margin-bottom:5px;line-height:1.15}
.auth-sub{font-size:13px;color:var(--muted);margin-bottom:26px;line-height:1.6}

/* ── Social buttons ── */
.social-row{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.social-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:12px 20px;border-radius:12px;
  border:1px solid var(--border);background:var(--bg2);
  color:var(--ink2);font-size:13px;font-weight:500;
  cursor:pointer;transition:all .18s;font-family:var(--font-b);
}
.social-btn:hover{border-color:var(--rose);background:var(--roseL);color:var(--ink)}
.tg-dot{width:22px;height:22px;background:#29a8e0;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tg-dot svg{width:11px;height:11px;stroke:#fff;fill:none;stroke-width:2.2}

/* ── Divider ── */
.auth-divider{
  display:flex;align-items:center;gap:12px;
  margin:0 0 20px;color:var(--muted);
  font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── Form ── */
.fg{margin-bottom:15px}
.fg-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:15px}
.flbl{display:block;font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:7px}
.finp{
  width:100%;padding:11px 14px;background:var(--bg2);
  border:1.5px solid var(--border);border-radius:10px;
  color:var(--ink);font-size:13.5px;font-family:var(--font-b);
  outline:none;transition:all .18s;
}
.finp:focus{border-color:var(--rose);background:var(--card);box-shadow:0 0 0 3px var(--roseL)}
.finp::placeholder{color:var(--muted);opacity:.7}

/* password field */
.pass-wrap{position:relative}
.pass-wrap .finp{padding-right:42px}
.pass-eye{
  position:absolute;right:11px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--muted);
  display:flex;align-items:center;padding:4px;transition:color .18s;
}
.pass-eye:hover{color:var(--rose)}
.pass-eye svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.i-eye-off{display:none}

/* password strength */
.strength{height:3px;border-radius:2px;background:var(--brdl);margin-top:7px;overflow:hidden}
.strength-bar{height:100%;border-radius:2px;transition:width .3s,background .3s;width:0}

/* forgot */
.forgot{display:flex;justify-content:flex-end;margin:-6px 0 16px}
.forgot a{font-size:12px;color:var(--rose);transition:opacity .18s}
.forgot a:hover{opacity:.7}

/* ── Submit ── */
.btn-submit{
  width:100%;padding:13px;margin-top:4px;
  background:var(--rose);border:none;border-radius:11px;
  color:#fff;font-size:14px;font-weight:600;font-family:var(--font-b);
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:all .18s;
}
.btn-submit:hover{background:var(--rose2);transform:translateY(-1px);box-shadow:0 8px 24px rgba(224,54,90,.32)}
.btn-submit:active{transform:none}
.btn-submit svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.5}

/* ── Alert ── */
.auth-alert{
  display:flex;align-items:center;gap:9px;
  padding:11px 14px;border-radius:10px;font-size:13px;margin-bottom:18px;
}
.auth-alert svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0}
.a-err{background:rgba(220,38,38,.08);border:1px solid rgba(220,38,38,.2);color:#dc2626}
[data-theme=dark] .a-err{color:#f87171;background:rgba(220,38,38,.1);border-color:rgba(220,38,38,.22)}
.a-ok{background:rgba(34,197,94,.07);border:1px solid rgba(34,197,94,.2);color:#16a34a}
[data-theme=dark] .a-ok{color:#4ade80;background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.22)}

/* ── Footer ── */
.auth-foot{text-align:center;margin-top:20px;font-size:13px;color:var(--muted)}
.auth-foot a{color:var(--rose);font-weight:600}
.auth-foot a:hover{text-decoration:underline}
.auth-terms{font-size:11px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.7}
.auth-terms a{color:var(--rose)}
.auth-terms a:hover{text-decoration:underline}

@media(max-width:480px){
  .auth-card{padding:26px 20px}
  .fg-row{grid-template-columns:1fr;gap:0}
}