/* ═══════════════════════════════════════════════════════════════════
   AUTH.CSS — resale.center
   Login, verify-phone, verify-buyer pages
═══════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:   #0a0a0a;
  --off-white:#f5f4f0;
  --mid:     #888;
  --border:  #e5e4e0;
  --red:     #dc2626;
  --green:   #16a34a;
  font-family: 'DM Sans', system-ui, sans-serif;
}

body { background: var(--off-white); color: var(--black); min-height: 100vh; }

/* ─── Two-panel layout ─────────────────────────────────────────────── */
.auth-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
@media (max-width: 768px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
}

/* ─── Left brand panel ─────────────────────────────────────────────── */
.auth-brand {
  background: var(--black);
  padding: 60px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.auth-logo {
  font-family: 'Cormorant Garant', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--off-white);
  text-decoration: none;
  margin-bottom: 60px;
  display: block;
}
.auth-logo span { color: var(--mid); }
.auth-brand-text h1 {
  font-family: 'Cormorant Garant', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--off-white);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 32px;
}
.auth-brand-text h1 em { font-style: italic; }
.auth-promises { list-style: none; }
.auth-promises li {
  color: #aaa;
  font-size: .95rem;
  padding: 10px 0;
  border-bottom: 1px solid #1a1a1a;
  display: flex;
  align-items: center;
  gap: 10px;
}
.auth-promises .check { color: var(--green); font-weight: 700; }

/* ─── Right panel ──────────────────────────────────────────────────── */
.auth-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 32px;
  background: var(--off-white);
}
.auth-box {
  width: 100%;
  max-width: 440px;
}
.auth-box--solo .auth-logo {
  font-family: 'Cormorant Garant', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  margin-bottom: 32px;
  display: block;
}
.auth-box--solo .auth-logo span { color: var(--mid); }

.auth-eyebrow {
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 8px;
}
.auth-title {
  font-family: 'Cormorant Garant', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.2;
}
.auth-subtitle {
  font-size: .95rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 28px;
}

/* ─── Consent box ─────────────────────────────────────────────────── */
.consent-box {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}
.consent-warning {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.consent-warning strong { font-size: .9rem; }
.consent-text {
  font-size: .88rem;
  color: #444;
  line-height: 1.6;
  margin-bottom: 10px;
}
.consent-consequence {
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 10px;
  color: #991b1b;
  font-weight: 500;
}
.consent-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: .88rem;
  line-height: 1.5;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.consent-checkbox { display: none; }
.consent-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all .2s;
  display: grid;
  place-items: center;
}
.consent-checkbox:checked + .consent-custom {
  background: var(--black);
  border-color: var(--black);
}
.consent-checkbox:checked + .consent-custom::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  display: block;
}

/* ─── Google button ───────────────────────────────────────────────── */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  cursor: not-allowed;
  opacity: .5;
  transition: all .2s;
  pointer-events: none;
}
.btn-google--active {
  opacity: 1;
  cursor: pointer;
  pointer-events: all;
  border-color: var(--black);
}
.btn-google--active:hover {
  background: var(--black);
  color: #fff;
}
.auth-google-note {
  font-size: .82rem;
  color: var(--mid);
  text-align: center;
  margin-top: 10px;
}

/* ─── OTP inputs ──────────────────────────────────────────────────── */
.otp-sent-msg { font-size: .9rem; color: var(--mid); margin-bottom: 16px; }
.otp-inputs {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.otp-box {
  flex: 1;
  height: 52px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 600;
  outline: none;
  transition: border-color .2s;
}
.otp-box:focus { border-color: var(--black); }

/* ─── Verify page ─────────────────────────────────────────────────── */
.verify-rules {
  background: #f9f9f7;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  margin-top: 10px;
}
.verify-rules p { font-size: .83rem; color: #555; line-height: 1.5; margin-bottom: 6px; }
.verify-rules p:last-child { margin-bottom: 0; }

.verify-privacy-box {
  display: flex;
  gap: 10px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 8px;
  padding: 14px;
  margin: 20px 0;
}
.verify-privacy-box p { font-size: .85rem; color: #166534; line-height: 1.6; }

.file-upload-area {
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  text-align: center;
  transition: border-color .2s;
}
.file-upload-area.has-file { border-color: var(--green); border-style: solid; }
.file-input { display: none; }
.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px;
  cursor: pointer;
  font-size: .9rem;
  color: var(--mid);
}
.file-upload-label:hover { color: var(--black); }

/* ─── Alerts ──────────────────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: 8px; font-size: .9rem; margin-bottom: 16px; }
.alert--success { background: #f0fdf4; color: #166534; border: 1px solid #86efac; }
.alert--error   { background: #fff5f5; color: #991b1b; border: 1px solid #fca5a5; }

/* ─── Form elements ───────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.form-label span { color: var(--red); }
.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
  background: #fff;
}
.form-input:focus { border-color: var(--black); }
.form-hint { font-size: .8rem; color: var(--mid); margin-top: 5px; }
.phone-wrap { display: flex; align-items: center; gap: 0; }
.phone-prefix { padding: 12px 12px; background: #f5f4f0; border: 1.5px solid var(--border); border-right: none; border-radius: 8px 0 0 8px; font-size: .95rem; color: #555; }
.form-input--phone { border-radius: 0 8px 8px 0; }
.form-error { font-size: .8rem; color: var(--red); margin-top: 4px; display: block; }

.auth-legal { font-size: .78rem; color: var(--mid); line-height: 1.6; margin-top: 16px; text-align: center; }
.auth-legal a { color: var(--black); text-decoration: underline; }
.auth-back { margin-top: 20px; font-size: .85rem; }
.auth-back a { color: var(--mid); text-decoration: none; }
.auth-back a:hover { color: var(--black); }
.auth-privacy-note { font-size: .78rem; color: var(--mid); margin-top: 12px; display: flex; align-items: center; gap: 6px; line-height: 1.5; }

/* ─── Centered single box ─────────────────────────────────────────── */
.auth-page--centered {
  grid-template-columns: 1fr;
  align-items: center;
  justify-items: center;
  padding: 48px 24px;
}

/* ─── Buttons ─────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 8px; font-size: .95rem; font-weight: 500; text-decoration: none; cursor: pointer; border: none; transition: all .2s; }
.btn--primary { background: var(--black); color: #fff; }
.btn--primary:hover { background: #333; }
.btn--ghost { background: transparent; border: 1.5px solid var(--border); color: var(--black); }
.btn--ghost:hover { border-color: var(--black); }
.btn--full { width: 100%; }
.btn--lg { padding: 15px 24px; font-size: 1rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

@keyframes shake {
  0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}
}