:root{
  --rail-bg:#1a1c22; --rail-bg-soft:#21242c; --rail-border:#2c3038;
  --accent:#ff7a45; --accent-soft:rgba(255,122,69,0.16);
  --text-bright:#f4f1ea; --text-dim:#9aa0ad; --danger:#e85d5d;
  --page-bg:#111318;
  --font-display:'Sora', sans-serif; --font-body:'Inter', sans-serif;
}
:root[data-theme="light"]{
  --rail-bg:#ffffff; --rail-bg-soft:#f2f3f5; --rail-border:#e3e5ea;
  --text-bright:#1a1c22; --text-dim:#6b7280; --page-bg:#f6f6f8;
}
*{box-sizing:border-box;}
html,body{margin:0;height:100%;font-family:var(--font-body);background:var(--page-bg);color:var(--text-bright);}
body{display:flex;align-items:center;justify-content:center;padding:20px;}

.card{
  width:100%;max-width:380px;background:var(--rail-bg);
  border:1px solid var(--rail-border);border-radius:16px;
  padding:32px 30px;box-shadow:0 20px 60px rgba(0,0,0,0.4);
}
.brand{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);}
.brand span{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:0.06em;text-transform:uppercase;}
.tagline{color:var(--text-dim);font-size:13px;margin:0 0 26px;}

.tabs{display:flex;background:var(--rail-bg-soft);border-radius:10px;padding:3px;margin-bottom:22px;}
.tabs button{
  flex:1;padding:9px 0;border:none;background:transparent;border-radius:8px;
  color:var(--text-dim);font-family:var(--font-body);font-weight:600;font-size:13px;cursor:pointer;
  transition:background .15s,color .15s;
}
.tabs button.active{background:var(--accent);color:#1a1c22;}

form{display:flex;flex-direction:column;gap:14px;}
form.hidden{display:none;}
label{font-size:12px;color:var(--text-dim);margin-bottom:5px;display:block;}
input{
  width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--rail-border);
  background:#21242c;color:var(--text-bright);font-family:var(--font-body);font-size:14px;
  outline:none;transition:border-color .15s;
}
input:focus{border-color:var(--accent);}

.btn-primary{
  margin-top:6px;padding:11px 0;border:none;border-radius:9px;background:var(--accent);
  color:#1a1c22;font-family:var(--font-body);font-weight:700;font-size:14px;cursor:pointer;
  transition:filter .15s;
}
.btn-primary:hover{filter:brightness(1.07);}
.btn-primary:disabled{opacity:0.6;cursor:not-allowed;}

.error-msg{
  background:rgba(232,93,93,0.12);border:1px solid rgba(232,93,93,0.35);color:var(--danger);
  padding:9px 11px;border-radius:8px;font-size:12.5px;display:none;
}
.error-msg.show{display:block;}
.info-msg{
  background:var(--accent-soft);border:1px solid var(--accent);color:var(--text-bright);
  padding:9px 11px;border-radius:8px;font-size:12.5px;display:none;margin-bottom:12px;
}
.info-msg.show{display:block;}
.error-msg.show{margin-bottom:12px;}

/* Email verification code screen */
.hidden{display:none !important;}
.verify-title{font-family:var(--font-display);font-size:17px;margin:0 0 8px;}
.verify-text{font-size:13px;color:var(--text-dim);line-height:1.55;margin:0 0 18px;}
.verify-text strong{color:var(--text-bright);font-weight:600;word-break:break-all;}
.otp-input{
  text-align:center;font-size:24px;font-weight:600;letter-spacing:0.5em;padding:12px 0 12px 0.5em;
  font-variant-numeric:tabular-nums;
}
.verify-actions{display:flex;justify-content:space-between;gap:10px;margin-top:14px;}
.link-btn{
  background:none;border:none;padding:0;color:var(--accent);
  font-family:var(--font-body);font-size:12.5px;font-weight:600;cursor:pointer;
}
.link-btn:hover{text-decoration:underline;}
.link-btn:disabled{color:var(--text-dim);cursor:default;text-decoration:none;}

.divider{display:flex;align-items:center;gap:10px;margin:22px 0 16px;color:var(--text-dim);font-size:11px;}
.divider::before, .divider::after{content:'';flex:1;height:1px;background:var(--rail-border);}

.google-btn-wrap{display:flex;justify-content:center;min-height:40px;margin-bottom:12px;}
.google-btn-wrap[hidden]{display:none;}

.btn-ghost{
  width:100%;padding:11px 0;border-radius:9px;border:1px solid var(--rail-border);
  background:transparent;color:var(--text-bright);font-family:var(--font-body);font-weight:600;font-size:13.5px;
  cursor:pointer;transition:border-color .15s,background .15s;
}
.btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft);}
.guest-note{font-size:11.5px;color:var(--text-dim);text-align:center;margin-top:10px;line-height:1.5;}