/*
  NexusMarket — Auth Page Styles
  Login/Register forms with tabs, glowing orange backdrop
*/

/* === AUTH CONTAINER + GLOW BACKDROP === */
.auth-container {
  position: relative;
  max-width: 440px;
  margin: calc(var(--nav-height) + 72px) auto 96px;
  padding: 0 24px;
  z-index: 1;
}

/* Ambient orange glow that sits behind the card */
.auth-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 720px;
  height: 720px;
  max-width: 130vw;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 50% 42%, rgba(232, 118, 75, 0.22) 0%, rgba(232, 118, 75, 0.08) 32%, transparent 62%),
    radial-gradient(circle at 38% 64%, rgba(245, 166, 35, 0.10) 0%, transparent 55%);
  filter: blur(8px);
  animation: auth-glow-pulse 7s ease-in-out infinite alternate;
}

/* A second, tighter halo hugging the card edges */
.auth-container::after {
  content: '';
  position: absolute;
  inset: -2px 22px;
  z-index: -1;
  pointer-events: none;
  border-radius: calc(var(--radius-lg) + 6px);
  background: linear-gradient(180deg, rgba(232, 118, 75, 0.35), rgba(232, 118, 75, 0) 60%);
  filter: blur(22px);
  opacity: 0.55;
}

@keyframes auth-glow-pulse {
  0%   { opacity: 0.75; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 1;    transform: translate(-50%, -50%) scale(1.06); }
}

.auth-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(232, 118, 75, 0.05), transparent 38%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(232, 118, 75, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

/* Glowing accent line along the very top of the card */
.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  box-shadow: 0 0 12px rgba(232, 118, 75, 0.6);
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.auth-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === TABS === */
.auth-tabs {
  display: flex;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 28px;
  border: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border-radius: 4px;
  text-align: center;
  transition: color var(--ease), background var(--ease);
  cursor: pointer;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  background: var(--surface-raised);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(232, 118, 75, 0.25);
}

/* === FORMS === */
.auth-form {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.auth-form.active {
  display: flex;
}

/* === FORM GROUPS === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(232, 122, 58, 0.1);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

.form-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.72rem;
  color: var(--error);
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-input {
  border-color: var(--error);
}

/* === PASSWORD STRENGTH === */
.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.strength-bar {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  transition: background var(--ease);
}

.strength-bar.weak { background: var(--danger); }
.strength-bar.medium { background: var(--warning); }
.strength-bar.strong { background: var(--success); }

.strength-text {
  font-size: 0.7rem;
  margin-top: 4px;
  color: var(--text-muted);
}

.strength-text.weak { color: var(--danger); }
.strength-text.medium { color: var(--warning); }
.strength-text.strong { color: var(--success); }

/* === TOTP FIELD === */
.totp-group {
  display: none;
}

.totp-group.visible {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.totp-toggle {
  font-size: 0.78rem;
  color: var(--accent-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-weight: 500;
  text-align: left;
  transition: opacity var(--ease);
}

.totp-toggle:hover {
  opacity: 0.8;
}

/* === SUBMIT BUTTON === */
.auth-submit {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--primary), #f0894f);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), filter var(--ease);
  margin-top: 8px;
  box-shadow: 0 6px 20px rgba(232, 118, 75, 0.28), 0 0 0 1px rgba(232, 118, 75, 0.2);
}

.auth-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 10px 30px rgba(232, 118, 75, 0.42), 0 0 0 1px rgba(232, 118, 75, 0.35);
}

.auth-submit:active {
  transform: translateY(0);
}

.auth-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

/* === DIVIDER === */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === FOOTER LINK === */
.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--accent-primary);
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* === ALERT === */
.auth-alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 20px;
  display: none;
}

.auth-alert.error {
  display: block;
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.2);
  color: var(--danger);
}

.auth-alert.success {
  display: block;
  background: var(--success-dim);
  border: 1px solid rgba(76, 175, 80, 0.2);
  color: var(--success);
}

/* === RESPONSIVE === */
@media (max-width: 480px) {
  .auth-container {
    padding: 0 16px;
    margin-top: calc(var(--nav-height) + 32px);
  }

  .auth-card {
    padding: 28px 20px;
  }
}


/* ============================================================
   No-JS auth: CSS-only tab switching + recovery flow
   ============================================================ */

/* Hidden radios drive which form panel shows */
.auth-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Tabs are <label>s now */
.auth-tab { cursor: pointer; user-select: none; }

/* Active tab styling driven by the checked radio */
#tab-login:checked ~ .auth-tabs .tab-login-label,
#tab-register:checked ~ .auth-tabs .tab-register-label {
  background: var(--surface-raised);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(232, 118, 75, 0.25);
}

/* Show the matching form for the checked tab */
#tab-login:checked ~ #login-form,
#tab-register:checked ~ #register-form {
  display: flex;
}

.form-hint-inline {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.74rem;
}

.form-input.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.auth-subfooter {
  text-align: center;
  margin-top: 4px;
}

.auth-subfooter a {
  font-size: 0.78rem;
  color: var(--accent-primary);
  font-weight: 500;
}
.auth-subfooter a:hover { text-decoration: underline; }

.auth-submit-link {
  display: block;
  text-align: center;
  text-decoration: none;
}

.auth-card-wide { max-width: none; }

/* ── Success check badge ─────────────────────────────────────── */
.success-check {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--accent-primary);
  background: var(--primary-dim);
  box-shadow: 0 0 0 1px rgba(232, 118, 75, 0.35), 0 0 28px rgba(232, 118, 75, 0.22);
}

/* ── Recovery code callout ───────────────────────────────────── */
.recovery-callout {
  margin: 20px 0 24px;
  padding: 20px;
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(160deg, rgba(232, 118, 75, 0.08), transparent 65%),
    var(--bg);
}

.recovery-callout-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 10px;
}

.recovery-callout p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.recovery-callout p strong { color: var(--text-primary); }

.recovery-code {
  margin: 16px 0 6px;
  padding: 16px 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-primary);
  word-break: break-all;
  background: var(--surface-raised);
  border: 1px dashed var(--primary-border);
  border-radius: var(--radius-sm);
  user-select: all;
  box-shadow: inset 0 0 24px rgba(232, 118, 75, 0.08);
}

.recovery-sub {
  font-size: 0.76rem !important;
  color: var(--text-muted) !important;
  text-align: center;
}