/* Layout and page-specific styles only — tokens/reset from app.css */

/* ── LOGO ──────────────────────────────────────── */
.su-logo-know { color: var(--brand-blue); }
.su-logo-ly   { color: var(--accent-green); }

/* ── NAVBAR ────────────────────────────────────── */
.su-nav {
  position: sticky; top: 0; z-index: 500;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 36px;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(229,231,235,0.7);
}
.su-verified-check {
  display: flex;
  align-items: center;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}
.su-verified-check svg {
  width: 22px;
  height: 22px;
}
.su-input.frozen,
input.frozen {
  background-color: #f0fdf4;   /* light green tint */
  color: #6b7280;
  cursor: not-allowed;
}
.su-nav > a.su-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.su-nav-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  position: absolute; left: 50%; transform: translateX(-50%);
}
.su-nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s var(--ease-smooth);
}

.su-nav-link:hover { color: var(--text-primary); }
.su-nav-link strong { color: var(--brand-blue); font-weight: 600; }

/* ── LAYOUT ─────────────────────────────────────── */
.su-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100dvh - 64px);
}

/* ── LEFT PANEL ─────────────────────────────────── */
.su-left {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: 60px 48px;
  background:
    radial-gradient(ellipse 600px 500px at 10% 20%, rgba(37,99,235,0.07), transparent 65%),
    radial-gradient(ellipse 500px 400px at 90% 70%, rgba(16,185,129,0.06), transparent 65%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(124,58,237,0.04), transparent 65%);
  overflow: hidden;
}

.su-left-content {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.su-left-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
  display: block;
}

.su-left-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}
.su-left-heading-accent {
  color: var(--brand-blue);
}

.su-left-sub {
  margin-top: 18px;
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 360px;
}

.su-illustration {
  margin-top: 36px;
  width: 100%;
  max-width: 480px;
  filter: drop-shadow(0 8px 24px rgba(37,99,235,0.10));
  animation: illusFloat 6s ease-in-out infinite;
}
.su-illustration svg { width: 100%; height: auto; }

@keyframes illusFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── RIGHT PANEL ────────────────────────────────── */
.su-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 48px;
  background: var(--background);
  border-left: 1px solid var(--border);
}

/* ── GLASS CARD ─────────────────────────────────── */
.su-card {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.9);
  border-radius: var(--radius-2xl);
  padding: 44px 40px 36px;
  box-shadow: var(--shadow-lg);
  animation: cardIn 0.6s var(--ease-smooth) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.su-card-header { margin-bottom: 32px; }
.su-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.su-card-sub {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
/* ── AUTH ERROR BANNER ──────────────────────────── */
.auth-error {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--danger-light);
  color: #B91C1C;
  border: 1px solid #FCA5A5;
  font-size: 14px;
  font-weight: 500;
}
.auth-error svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
/* ---------- Divider ("OR") ---------- */
.auth-divider{
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 26px 0 18px;
}
.auth-divider::before,
.auth-divider::after{
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, #E5E7EB 20%, #E5E7EB 80%, transparent);
}
.auth-divider span{
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #9CA3AF;
}

/* ---------- Social sign-up buttons ---------- */
.auth-social-row{
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auth-social-btn{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  background: #FFFFFF;
  border: 1.5px solid #E5E7EB;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.15s ease, background 0.18s ease;
}
.auth-social-btn:hover{
  border-color: #D1D5DB;
  background: #F9FAFB;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px -8px rgba(17, 24, 39, 0.18);
}
.auth-social-btn:active{ transform: translateY(0); }
.auth-social-btn:focus-visible{
  outline: 2px solid #2563EB;
  outline-offset: 2px;
}
.auth-social-icon{
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}
@media (max-width: 560px){
  .auth-social-btn{ font-size: 14px; padding: 11px 14px; }
}
@media (prefers-reduced-motion: reduce){
  .auth-social-btn:hover{ transform: none; }
}
/* ── FORM ───────────────────────────────────────── */
.su-form { display: flex; flex-direction: column; gap: 18px; }

/* ── FIELD / FLOATING LABEL ─────────────────────── */
.su-field { display: flex; flex-direction: column; gap: 4px; }

.su-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.su-field-icon {
  position: absolute;
  left: 14px;
  width: 18px; height: 18px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color 0.2s var(--ease-smooth);
  z-index: 1;
  top: 50%; transform: translateY(-50%);
}

.su-input {
  width: 100%;
  height: 52px;
  padding: 20px 44px 6px 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--surface);
  outline: none;
  transition:
    border-color 0.2s var(--ease-smooth),
    box-shadow   0.2s var(--ease-smooth);
  appearance: none;
  -webkit-appearance: none;
}

/* Email field needs extra right padding to make room for the Verify button */
#field-email .su-input {
  padding-right: 92px;
}

/* OTP field has no left icon, so text starts flush left, and needs right
   padding to make room for the Confirm button */
#field-otp .su-input {
  padding-left: 16px;
  padding-right: 100px;
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* Floating label */
.su-label {
  position: absolute;
  left: 44px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  color: var(--text-muted);
  pointer-events: none;
  transition:
    top        0.2s var(--ease-smooth),
    font-size  0.2s var(--ease-smooth),
    color      0.2s var(--ease-smooth),
    transform  0.2s var(--ease-smooth);
  background: transparent;
  padding: 0 2px;
}

/* OTP field's label sits flush left (no icon to clear) */
#field-otp .su-label {
  left: 16px;
}

/* Triggered: when input has value (placeholder=" ") */
.su-input:not(:placeholder-shown) ~ .su-label,
.su-input:focus ~ .su-label {
  top: 10px;
  transform: translateY(0);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-blue);
}

.su-input:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.su-input:focus ~ .su-field-icon { color: var(--brand-blue); }

/* valid state */
.su-field.valid .su-input {
  border-color: var(--accent-green);
}
.su-field.valid .su-label { color: var(--accent-green); }
.su-field.valid .su-input:focus {
  box-shadow: 0 0 0 3px rgba(16,185,129,0.12);
}

/* error state */
.su-field.error .su-input {
  border-color: var(--danger);
}
.su-field.error .su-label { color: var(--danger); }
.su-field.error .su-input:focus {
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.su-error {
  font-size: 0.8rem;
  color: var(--danger);
  min-height: 16px;
  padding-left: 2px;
  transition: opacity 0.2s var(--ease-smooth);
}

/* ── PASSWORD TOGGLE ────────────────────────────── */
.su-eye {
  position: absolute;
  right: 14px;
  top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  transition: color 0.2s var(--ease-smooth), background 0.2s var(--ease-smooth);
}
.su-eye:hover { color: var(--text-primary); background: var(--background); }
.su-eye svg { width: 18px; height: 18px; }

/* ── EMAIL VERIFY / OTP CONFIRM BUTTONS ─────────── */
.su-verify-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  height: 36px;
  padding: 0 14px;
  border: 1.5px solid var(--brand-blue);
  border-radius: 9px;
  background: var(--surface);
  color: var(--brand-blue);
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background 0.2s var(--ease-smooth),
    color      0.2s var(--ease-smooth),
    border-color 0.2s var(--ease-smooth),
    opacity    0.2s var(--ease-smooth);
}
.su-verify-btn:hover:not(:disabled) {
  background: var(--brand-blue);
  color: #fff;
}
.su-verify-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  border-color: var(--border);
  color: var(--text-muted);
  background: var(--background);
}

/* once verified, the button turns into a static confirmation pill */
.su-verify-btn.verified {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(16,185,129,0.08);
  cursor: default;
  opacity: 1;
}

/* ── OTP / STATUS HINT TEXT ──────────────────────── */
.su-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-height: 16px;
  padding-left: 2px;
}
.su-hint a {
  color: var(--brand-blue);
  font-weight: 600;
  transition: color 0.2s var(--ease-smooth);
}
.su-hint a:hover { color: var(--brand-blue-hover); text-decoration: underline; }
.su-hint a.disabled {
  color: var(--text-muted);
  pointer-events: none;
  cursor: default;
  text-decoration: none;
}

/* OTP field entrance animation when it appears */
#field-otp {
  animation: otpIn 0.35s var(--ease-smooth) both;
}
@keyframes otpIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── PASSWORD STRENGTH ──────────────────────────── */
.su-strength {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  margin-top: 6px;
}
.su-seg {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s var(--ease-smooth);
}
.su-seg.weak   { background: var(--danger); }
.su-seg.fair   { background: #F59E0B; }
.su-seg.good   { background: var(--brand-blue); }
.su-seg.strong { background: var(--accent-green); }

.su-strength-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 4px;
  min-height: 16px;
  transition: color 0.2s var(--ease-smooth);
}
.su-strength-label.weak   { color: var(--danger); }
.su-strength-label.fair   { color: #B45309; }
.su-strength-label.good   { color: var(--brand-blue); }
.su-strength-label.strong { color: var(--accent-green-hover); }

/* ── CHECKBOX / TERMS ───────────────────────────── */
.su-terms-wrap { display: flex; flex-direction: column; gap: 4px; }

.su-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.su-checkbox { position: absolute; opacity: 0; width: 0; height: 0; }

.su-checkbox-box {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
  transition:
    border-color 0.2s var(--ease-smooth),
    background   0.2s var(--ease-smooth),
    box-shadow   0.2s var(--ease-smooth);
}
.su-checkbox-box svg { opacity: 0; transition: opacity 0.15s var(--ease-smooth); width: 12px; height: 12px; }

.su-checkbox:checked + .su-checkbox-box {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.su-checkbox:checked + .su-checkbox-box svg { opacity: 1; }

.su-checkbox-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.su-link {
  color: var(--brand-blue);
  font-weight: 500;
  transition: color 0.2s var(--ease-smooth);
}
.su-link:hover { color: var(--brand-blue-hover); text-decoration: underline; }

/* ── SUBMIT BUTTON ──────────────────────────────── */
.su-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 52px;
  background: var(--text-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 6px;
  overflow: hidden;
  transition:
    background    0.2s var(--ease-smooth),
    transform     0.2s var(--ease-smooth),
    box-shadow    0.2s var(--ease-smooth);
}
.su-submit:hover:not(:disabled) {
  background: #000;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.su-submit:active { transform: translateY(0); }
.su-submit:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.su-submit-arrow { width: 18px; height: 18px; transition: transform 0.2s var(--ease-smooth); }
.su-submit:hover .su-submit-arrow { transform: translateX(3px); }

/* loading spinner */
.su-spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  position: absolute;
  right: 20px;
}
.su-submit.loading .su-submit-text { opacity: 0.6; }
.su-submit.loading .su-submit-arrow { display: none; }
.su-submit.loading .su-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── SIGN IN NOTE ───────────────────────────────── */
.su-signin-note {
  text-align: center;
  margin-top: 22px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── RESPONSIVENESS ─────────────────────────────── */
@media (max-width: 900px) {
  .su-layout { grid-template-columns: 1fr; }
  .su-left {
    padding: 48px 32px 32px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .su-left-content { align-items: center; text-align: center; }
  .su-left-sub { text-align: center; }
  .su-left-logo { margin-bottom: 24px; }
  .su-illustration { max-width: 380px; }
  .su-right { padding: 40px 24px 48px; }
  .su-card { padding: 36px 28px 28px; }
  .su-nav-label { display: none; }
}

@media (max-width: 560px) {
  .su-nav { padding: 0 20px; }
  .su-left { padding: 36px 20px 24px; }
  .su-left-heading { font-size: clamp(1.7rem, 8vw, 2.2rem); }
  .su-right { padding: 24px 16px 36px; }
  .su-card { padding: 28px 20px 24px; border-radius: var(--radius-2xl); }

  /* Verify/Confirm buttons get tight on narrow screens — shrink and drop padding */
  .su-verify-btn {
    padding: 0 10px;
    font-size: 0.75rem;
    height: 32px;
  }
  #field-email .su-input { padding-right: 78px; }
  #field-otp .su-input { padding-right: 86px; }
}