/* ── Auth Page Styles ── */

.auth-bg {
  position: fixed; inset: 0; overflow: hidden; z-index: 0;
  pointer-events: none;
}
.auth-bg-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.12;
}
.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #F59E0B, transparent);
  top: -200px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #D97706, transparent);
  bottom: -100px; left: -100px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}
.auth-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-20px) scale(1.05); }
  66% { transform: translate(-20px,30px) scale(0.95); }
}

.auth-wrapper {
  position: relative; z-index: 1;
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px 16px;
}

.auth-brand {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 32px;
}
.brand-logo {
  font-size: 2.5rem; width: 60px; height: 60px;
  background: var(--amber-glow); border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-amber);
}
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: var(--text-primary); letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--amber-light), var(--amber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.brand-tagline { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.05em; }

.auth-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-xl); padding: 36px;
  width: 100%; max-width: 480px;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(245,158,11,0.06);
  animation: slideUp 0.5s cubic-bezier(0.34,1.56,0.64,1);
}

/* Tabs */
.auth-tabs {
  display: flex; background: var(--bg-elevated);
  border-radius: var(--radius-md); padding: 4px;
  margin-bottom: 28px; border: 1px solid var(--border);
}
.auth-tab {
  flex: 1; padding: 10px; border: none; background: transparent;
  color: var(--text-muted); font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600; cursor: pointer;
  border-radius: calc(var(--radius-md) - 2px);
  transition: var(--transition);
}
.auth-tab.active {
  background: var(--amber); color: #0F0E0C;
  box-shadow: var(--shadow-amber);
}
.auth-tab:not(.active):hover { color: var(--text-primary); background: var(--bg-hover); }

/* Forms */
.auth-form { display: none; flex-direction: column; gap: 18px; }
.auth-form.active { display: flex; animation: pageIn 0.3s ease; }

.auth-form-header { margin-bottom: 4px; }
.auth-form-header h2 { font-size: 1.6rem; margin-bottom: 4px; }
.auth-form-header p { font-size: 0.88rem; color: var(--text-secondary); }

/* Form row */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Phone input */
.phone-input-wrap { display: flex; align-items: stretch; }
.phone-prefix {
  background: var(--bg-hover); border: 1px solid var(--border);
  border-right: none; border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: 12px 14px; color: var(--text-secondary); font-size: 0.9rem;
  font-weight: 600; white-space: nowrap; display: flex; align-items: center;
}
.phone-input-wrap .form-input {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Password toggle */
.input-password-wrap { position: relative; }
.input-password-wrap .form-input { padding-right: 44px; }
.pw-toggle {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem;
  color: var(--text-muted); transition: var(--transition); padding: 4px;
}
.pw-toggle:hover { color: var(--amber); }

/* Password strength */
.password-strength {
  display: flex; gap: 4px; margin-top: 6px;
}
.pw-bar {
  flex: 1; height: 3px; border-radius: 2px;
  background: var(--border); transition: var(--transition-slow);
}
.pw-bar.weak { background: var(--red); }
.pw-bar.medium { background: var(--amber); }
.pw-bar.strong { background: var(--green); }

/* OTP inputs */
.otp-inputs {
  display: flex; gap: 10px; justify-content: center;
}
.otp-box {
  width: 52px; height: 56px; text-align: center;
  font-size: 1.4rem; font-weight: 700; font-family: var(--font-display);
  background: var(--bg-elevated); border: 2px solid var(--border);
  border-radius: var(--radius-md); color: var(--text-primary);
  transition: var(--transition); outline: none;
}
.otp-box:focus { border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-glow); }
.otp-box.filled { border-color: var(--amber); background: var(--amber-glow2); }

/* Resend OTP */
.resend-otp {
  text-align: center; font-size: 0.82rem; color: var(--text-muted);
}
.resend-otp a { color: var(--amber); }
#resendTimer { color: var(--text-muted); margin-left: 4px; }

/* Step indicator */
.step-indicator {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-top: 8px;
}
.step-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-light); transition: var(--transition-slow);
}
.step-dot.active { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.step-dot.done { background: var(--green); }
.step-line {
  width: 40px; height: 2px; background: var(--border);
  transition: var(--transition-slow);
}
.step-line.done { background: var(--green); }

/* Signup steps */
.signup-step { display: none; flex-direction: column; gap: 18px; }
.signup-step.active { display: flex; animation: pageIn 0.3s ease; }

/* Footer link */
.auth-footer-link {
  text-align: center; font-size: 0.84rem; color: var(--text-muted);
}
.auth-footer-link a { color: var(--amber); font-weight: 600; }

@media (max-width: 480px) {
  .auth-card { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .otp-box { width: 42px; height: 48px; font-size: 1.2rem; }
}