/* auth.css — shared styles for the signin/signup split-layout pages.
   Loads after member.css (tokens, nav, focus, reduced-motion live there). */

/* ── Split layout ── */
.auth-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 53px);
}

/* ── Left panel — branding ── */
.auth-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 56px;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.auth-brand::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -30%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}
.brand-tagline {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeSlideUp 600ms 400ms ease forwards;
}
.brand-sub {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 360px;
  opacity: 0;
  animation: fadeSlideUp 600ms 500ms ease forwards;
}

/* ── Right panel — form card ── */
.auth-form-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 40px;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  animation: cardReveal 700ms 300ms ease forwards;
}
.auth-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 18px;
  background-color: var(--bg-terminal-dark);
  border-bottom: 1px solid var(--border);
}
.auth-header .window-dot { width: 12px; height: 12px; transition: transform 150ms ease; }
.auth-header .window-dot:hover { transform: scale(1.25); }
.auth-header-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-left: 10px;
  letter-spacing: 0.04em;
}
.auth-header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--primary);
}
.auth-header-right .lock-icon { width: 12px; height: 12px; opacity: 0.7; }
.auth-body { padding: 34px 32px 30px; }
.auth-title {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.auth-subtitle {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 28px;
}

/* ── Form fields ── */
.form-group { margin-bottom: 20px; position: relative; }
.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 7px;
  letter-spacing: 0.03em;
}
.form-group label .prompt-char { color: var(--primary); margin-right: 4px; }
.input-wrap { position: relative; }
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
  width: 100%;
  padding: 11px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.form-group input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-dim);
}
.form-group input::placeholder { color: rgba(126,135,148,0.5); }
.form-group input.invalid { border-color: rgba(229,72,77,0.5); }
.form-group input.valid { border-color: rgba(138,226,52,0.4); }

/* ── Password toggle ── */
.pw-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 6px;
  font-family: var(--mono);
  font-size: 12px;
  transition: color 150ms ease;
  line-height: 1;
}
.pw-toggle:hover { color: var(--primary); }
.has-toggle input[type="password"],
.has-toggle input[type="text"] { padding-right: 44px; }

/* ── Links ── */
.auth-link {
  color: var(--primary);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.82rem;
  transition: color 150ms ease;
}
.auth-link:hover { color: var(--amber); }

/* ── Submit button ── */
.submit-btn {
  width: 100%;
  padding: 12px;
  background-color: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
  transition: all 200ms ease;
  position: relative;
  overflow: hidden;
}
.submit-btn:hover {
  background-color: #9aef55;
  box-shadow: 0 0 20px var(--primary-dim);
}
.submit-btn:active { transform: scale(0.985); }
.submit-btn:disabled {
  background-color: var(--muted);
  cursor: not-allowed;
  box-shadow: none;
}
.submit-btn .btn-shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 500ms ease;
}
.submit-btn:hover .btn-shimmer { left: 100%; }

/* ── Error / success messages ── */
.auth-msg {
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.8rem;
  font-family: var(--mono);
  margin-bottom: 18px;
  display: none;
  animation: shakeIn 400ms ease;
}
.auth-msg.error {
  background-color: rgba(229,72,77,0.12);
  border: 1px solid rgba(229,72,77,0.25);
  color: #ff6b6b;
}
.auth-msg.success {
  background-color: rgba(138,226,52,0.12);
  border: 1px solid rgba(138,226,52,0.25);
  color: var(--primary);
}
.auth-msg.visible { display: block; }

/* ── Card footer ── */
.auth-footer {
  text-align: center;
  margin-top: 22px;
  font-size: 0.82rem;
  color: var(--muted);
  font-family: var(--mono);
}

/* ── Animations ── */
@keyframes cardReveal {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes shakeIn {
  0%   { opacity: 0; transform: translateX(-8px); }
  25%  { transform: translateX(6px); }
  50%  { transform: translateX(-4px); }
  75%  { transform: translateX(2px); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .auth-form-panel { padding: 36px 20px; }
}
@media (max-width: 480px) {
  .auth-body { padding: 26px 20px 22px; }
  .auth-title { font-size: 1.25rem; }
  .privacy-badges { flex-wrap: wrap; gap: 12px; }
}