/* ═══════════════════════════════════════════════
   forms.css — Registration, Login, Invite pages
   Requires tokens.css loaded first.
═══════════════════════════════════════════════ */

/* ── Page shell ── */
html, body {
  background: var(--form-bg);
  color: var(--form-text);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Page wrap ── */
.form-page-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1rem;
}

/* ── Card ── */
.form-card {
  background: var(--form-card);
  border: 1px solid var(--form-border);
  border-top: 3px solid var(--form-accent);
  border-radius: 8px;
  padding: 2.5rem 2.5rem 2rem;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

/* ── Logo ── */
.form-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

/* ── Progress bar ── */
.form-progress {
  display: flex;
  gap: 6px;
  margin-bottom: 1.8rem;
}
.form-progress-step {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(90, 140, 106, 0.2);
  transition: background 0.2s;
}
.form-progress-step.active { background: var(--form-accent); }
.form-progress-step.done   { background: var(--form-accent2); }

/* ── Step headings ── */
.form-heading {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--form-text);
  margin-bottom: 0.3rem;
  line-height: 1.15;
}
.form-step-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--form-text-2);
  margin-bottom: 1.8rem;
}

/* ── Field groups ── */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--form-label);
  margin-bottom: 0.4rem;
}
.form-label-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  color: #8c7e6a;
}
.form-input,
.form-select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--form-input);
  border: 1px solid var(--form-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--form-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: #a09890; }
.form-input:focus,
.form-select:focus {
  border-color: var(--form-accent);
  box-shadow: 0 0 0 3px rgba(90, 140, 106, 0.12);
}
.form-input.error { border-color: var(--form-error); background: #fff8f8; }

/* JS-managed field state classes */
.form-input.error-field { border-color: var(--form-error); background: #fff8f8; }
.form-input.ok-field    { border-color: var(--form-accent); }

.form-error-msg {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--form-error);
  margin-top: 0.35rem;
}

/* ── Password toggle wrapper ── */
.form-input-wrap { position: relative; }
.form-input-wrap .form-input { padding-right: 3rem; }
.form-pw-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--form-text-2);
  padding: 0.25rem;
  width: auto;
  text-transform: uppercase;
}
.form-pw-toggle:hover { color: var(--form-accent); }

/* ── Forgot password ── */
.form-forgot {
  display: block;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--form-text-2);
  text-decoration: none;
  margin-top: -0.25rem;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}
.form-forgot:hover { color: var(--form-accent); }

/* ── Buttons ── */
.form-btn-primary {
  width: 100%;
  padding: 0.95rem;
  background: var(--form-accent);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  margin-bottom: 0.75rem;
}
.form-btn-primary:hover { background: var(--form-accent2); color: #1a1510; }
.form-btn-primary:active { transform: translateY(1px); }
.form-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.form-btn-secondary {
  background: transparent;
  color: var(--form-text-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--form-border);
  border-radius: 4px;
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  transition: all 0.2s;
}
.form-btn-secondary:hover { border-color: var(--form-label); color: var(--form-text); }

.form-btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.form-btn-row .form-btn-secondary { flex-shrink: 0; }
.form-btn-row .form-btn-primary   { flex: 1; margin-bottom: 0; }

/* ── Footer link ── */
.form-footer-link {
  text-align: center;
  margin-top: 1.2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--form-text-2);
}
.form-footer-link a {
  color: var(--form-accent);
  text-decoration: none;
  transition: color 0.2s;
}
.form-footer-link a:hover { color: #3d6b50; text-decoration: underline; }

/* ── Checkbox (terms) ── */
.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.form-checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 0.1rem;
  accent-color: var(--form-accent);
  flex-shrink: 0;
  cursor: pointer;
}
.form-checkbox-group label {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--form-text-2);
  line-height: 1.55;
  cursor: pointer;
  font-weight: normal;
  letter-spacing: normal;
  text-transform: none;
}
.form-checkbox-group label a { color: var(--form-accent); text-decoration: none; }
.form-checkbox-group label a:hover { text-decoration: underline; }

/* ── Divider ── */
.form-divider { height: 1px; background: var(--form-border); margin: 1.5rem 0; }

/* ═══ Register-specific ═══ */

/* Step visibility (querySelectorAll('.step') in JS) */
.step { display: none; }
.step.active { display: block; }

/* Inline field errors */
.field-error {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--form-error);
  min-height: 1rem;
  margin-bottom: 0.75rem;
  display: none;
}
.field-error.show { display: block; }
.field-spacer { height: 1rem; }

/* Slug availability */
.slug-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  min-height: 1rem;
  margin-top: 0.3rem;
  margin-bottom: 0.75rem;
}
.slug-status.checking  { color: var(--form-text-2); }
.slug-status.available { color: var(--form-accent); }
.slug-status.taken     { color: var(--form-error); }

/* Password strength */
.pw-strength {
  height: 3px;
  border-radius: 2px;
  margin-top: 0.25rem;
  background: var(--form-border);
  overflow: hidden;
}
.pw-strength-bar {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 0.2s, background 0.2s;
}

/* Summary (step 3) */
.summary {
  background: var(--form-input);
  border: 1px solid var(--form-border);
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 1.2rem;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--form-border);
}
.summary-row:last-child { border-bottom: none; }
.summary-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--form-text-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.summary-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--form-text);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

/* Consent error (step 3) */
.consent-required-error {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--form-error);
  display: none;
  margin-top: 0.25rem;
}

/* Global error (submit) */
.global-error {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--form-error);
  text-align: center;
  margin-top: 0.75rem;
  display: none;
}

/* ═══ Login modals ═══ */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.modal-overlay.open { display: flex; }
.modal-card {
  background: var(--form-card);
  border: 1px solid var(--form-border);
  border-top: 3px solid var(--form-accent);
  border-radius: 8px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--form-text);
  margin-bottom: 0.4rem;
}
.modal-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--form-text-2);
  margin-bottom: 1.2rem;
  line-height: 1.6;
}
.modal-btn {
  width: 100%;
  padding: 0.85rem;
  background: var(--form-accent);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}
.modal-btn:hover { background: var(--form-accent2); color: #1a1510; }
.modal-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.modal-err {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--form-error);
  text-align: center;
  margin-top: 0.5rem;
  display: none;
}
.modal-back {
  display: block;
  text-align: center;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--form-text-2);
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  padding: 0.25rem;
}
.modal-back:hover { color: var(--form-accent); }

/* Consent label in ToS modal */
.modal-consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--form-text-2);
  cursor: pointer;
  line-height: 1.55;
  margin-bottom: 1.2rem;
  font-family: var(--font-body);
  font-weight: normal;
  text-transform: none;
  letter-spacing: normal;
  width: 100%;
  box-sizing: border-box;
}
.modal-consent-label input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--form-accent);
  cursor: pointer;
}
.modal-consent-label .consent-text { flex: 1; min-width: 0; word-break: break-word; }
.modal-consent-label a { color: var(--form-accent); text-decoration: none; }
.modal-consent-label a:hover { text-decoration: underline; }

/* TOTP input */
.totp-input {
  font-size: 1.8rem;
  letter-spacing: 0.6em;
  text-align: center;
  width: 200px;
  display: block;
  margin: 0 auto 1.2rem;
  background: var(--form-input);
  border: 1px solid var(--form-border);
  border-radius: 4px;
  color: var(--form-text);
  font-family: var(--font-mono);
  padding: 0.75rem 0.5rem;
  outline: none;
  appearance: none;
}
.totp-input:focus {
  border-color: var(--form-accent);
  box-shadow: 0 0 0 3px rgba(90, 140, 106, 0.12);
}

/* Shake animation */
@keyframes shake {
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)}
  60%{transform:translateX(-4px)}
  80%{transform:translateX(4px)}
}
.shake { animation: shake 0.35s ease; }

/* ═══ Accept-invite page ═══ */
.page-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--form-text);
  text-align: center;
  margin-bottom: 0.4rem;
}
.page-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--form-text-2);
  text-align: center;
  margin-bottom: 1.2rem;
  line-height: 1.6;
}
.invite-badge {
  background: var(--form-input);
  border: 1px solid var(--form-border);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--form-text-2);
}
.invite-badge strong { color: var(--form-accent); }
.hint {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--form-text-2);
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}
.msg {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
  margin-top: 0.75rem;
  display: none;
}
.msg.err  { color: var(--form-error); }
.msg.good { color: var(--form-accent); }
#loadingState, #expiredState, #setupForm, #successState { display: none; }

/* ═══ Page-level footer (Privacy/Terms links) ═══ */
.login-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--form-text-2);
}
.login-footer a { color: var(--form-text-2); text-decoration: none; }
.login-footer a:hover { color: var(--form-accent); }
.footer-sep { margin: 0 0.5rem; opacity: 0.4; }

/* ═══ Mobile ═══ */
@media (max-width: 520px) {
  .form-card {
    padding: 2rem 1.5rem 1.5rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: 3px solid var(--form-accent);
  }
  .form-page-wrap {
    padding: 0;
    justify-content: flex-start;
  }
}