*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#f2f2f7;--bg2:#fff;--border:rgba(0,0,0,.08);
  --text:#1c1c1e;--text2:#3a3a3c;--muted:#8e8e93;--muted2:#aeaeb2;
  --accent:#007aff;--accent2:#5e5ce6;
  --accent-g:linear-gradient(135deg,#007aff,#5e5ce6);
  --good:#34c759;--bad:#ff3b30;
  --radius:16px;--radius-sm:12px;
  --shadow:0 4px 24px rgba(0,0,0,.08),0 1px 4px rgba(0,0,0,.04);
  --font:'DM Sans',system-ui,-apple-system,sans-serif;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bot:env(safe-area-inset-bottom,0px);
  --top-h: 60px;
  --safe-top: env(safe-area-inset-top, 0px);
  --surface:rgba(255,255,255,.82);
}
html,body{
  height:100%;background:var(--bg);
  font-family:var(--font);color:var(--text);
  overflow:hidden;
}

/* ── App shell ── */
#app{
  position:fixed;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  max-width:430px;margin:0 auto;padding:0 20px;
  padding-top:var(--safe-top);padding-bottom:var(--safe-bot);
}

#topbar
 {
    position: relative;
    z-index: 100;
    height: calc(var(--top-h) + var(--safe-top));
    padding-top: var(--safe-top);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 18px;
    padding-right: 18px;
    background: var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
}

/* ── Card ── */
.auth-card{
  width:100%;background:var(--bg2);
  border-radius:24px;padding:32px 24px 28px;
  box-shadow:var(--shadow);
  animation:slideUp .35s cubic-bezier(.4,0,.2,1) both;
}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.logo-status-box{display:flex;align-items: center;justify-content: center;gap:10px}
.logo-status-box span{ font-family: 'Inter', sans-serif;
  font-weight: 600;   /* semi-bold */
  letter-spacing: 1px; /* spacing */
  font-size: 15px;}

.logo-status-box span span{font-size:12px;font-weight:normal;}

/* ── Logo ── */
.auth-logo{
  text-align:center;margin-bottom:28px;
}
.auth-logo-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:20px;
/*  background:var(--accent-g);*/
/*  box-shadow:0 8px 24px rgba(0,122,255,.28);*/
  margin-bottom:5px;
}
.auth-logo-badge svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.auth-logo h1{font-size:22px;font-weight:800;letter-spacing:-.4px;color:var(--text)}
.auth-logo p{font-size:13px;color:var(--muted);margin-top:3px}

/* ── Screen switcher ── */
.auth-screen{display:none}
.auth-screen.active{display:block}

/* ── Labels & inputs ── */
.field-label{font-size:13px;font-weight:600;color:var(--text2);margin-bottom:7px;display:block}
.field-wrap{position:relative;margin-bottom:14px}
.field-input{
  width:100%;height:52px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:var(--bg);
  font-family:var(--font);font-size:16px;color:var(--text);
  padding:0 16px;outline:none;transition:border-color .18s,box-shadow .18s;
}
.field-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,122,255,.12)}
.field-input.error{border-color:var(--bad);box-shadow:0 0 0 3px rgba(255,59,48,.1)}
.field-error{font-size:12px;color:var(--bad);margin-top:5px;display:none}
.field-error.show{display:block}

/* ── Buttons ── */
.btn-primary{
  width:100%;height:52px;border-radius:var(--radius-sm);border:none;
  background:var(--accent-g);color:#fff;
  font-family:var(--font);font-size:16px;font-weight:700;
  cursor:pointer;transition:opacity .15s,transform .1s;
  display:flex;align-items:center;justify-content:center;gap:8px;
  position:relative;overflow:hidden;
}
.btn-primary:active{transform:scale(.98);opacity:.9}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary .btn-spinner{
  width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;display:none;
}
.btn-primary.loading .btn-text{opacity:0}
.btn-primary.loading .btn-spinner{display:block;position:absolute}
@keyframes spin{to{transform:rotate(360deg)}}

.btn-google{
  width:100%;height:52px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:#fff;
  font-family:var(--font);font-size:15px;font-weight:600;color:var(--text2);
  cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .1s;
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-bottom:14px;text-decoration:none;
}
.btn-google:hover{border-color:#d0d0d5;box-shadow:0 2px 12px rgba(0,0,0,.07)}
.btn-google:active{transform:scale(.98)}
.btn-google svg{width:20px;height:20px;flex-shrink:0}

.divider{
  display:flex;align-items:center;gap:12px;margin:18px 0;
}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.divider span{font-size:12px;color:var(--muted2);font-weight:500;white-space:nowrap}

/* ── OTP inputs ── */
.otp-meta{
  font-size:14px;color:var(--muted);text-align:center;
  margin-bottom:20px;line-height:1.5;
}
.otp-meta strong{color:var(--text);font-weight:600}

.otp-inputs{
  display:flex;gap:10px;justify-content:center;margin-bottom:20px;
}
.otp-digit{
  width:46px;height:56px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:var(--bg);
  font-family:var(--font);font-size:24px;font-weight:700;
  color:var(--text);text-align:center;outline:none;
  transition:border-color .18s,box-shadow .18s;
  -webkit-appearance:none;appearance:none;
  caret-color:var(--accent);
}
.otp-digit:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,122,255,.12)}
.otp-digit.filled{border-color:var(--accent);background:#fff}
.otp-digit.shake{animation:shake .35s ease}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* ── OTP timer / resend ── */
.otp-footer{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:6px;margin-bottom:20px;
}
.otp-timer{font-size:13px;color:var(--muted);font-weight:500}
.otp-timer .timer-val{color:var(--accent);font-weight:700}
.otp-timer.expired .timer-val{color:var(--bad)}
.btn-resend{
  background:none;border:none;font-family:var(--font);
  font-size:13px;font-weight:600;color:var(--accent);
  cursor:pointer;padding:4px 8px;border-radius:8px;
  transition:background .15s;
}
.btn-resend:hover{background:rgba(0,122,255,.08)}
.btn-resend:disabled{color:var(--muted2);cursor:not-allowed;background:none}

.btn-back{
  background:none;border:none;font-family:var(--font);
  font-size:14px;font-weight:500;color:var(--muted);
  cursor:pointer;display:flex;align-items:center;gap:5px;
  padding:0;margin-bottom:20px;transition:color .15s;
}
.btn-back:hover{color:var(--text2)}
.btn-back svg{width:16px;height:16px}

/* ── Global error ── */
.global-error{
  background:rgba(255,59,48,.08);border:1px solid rgba(255,59,48,.2);
  border-radius:var(--radius-sm);padding:12px 14px;
  font-size:13px;color:var(--bad);margin-bottom:16px;
  display:none;
}
.global-error.show{display:block}

/* ── Success ── */
.success-badge{
  text-align:center;padding:16px 0 8px;
}
.success-badge svg{
  width:52px;height:52px;color:var(--good);
  animation:popIn .4s cubic-bezier(.175,.885,.32,1.275) both;
}
@keyframes popIn{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}
.success-badge p{font-size:15px;font-weight:600;color:var(--text);margin-top:10px}
.success-badge small{font-size:13px;color:var(--muted)}

/* ── Footer note ── */
.auth-note{
  text-align:center;font-size:12px;color:var(--muted2);
  margin-top:18px;line-height:1.6;
}