/* ── Auth Pages Shared Styles ─────────────────────────────────────────── */

:root {
  --accent: #00D4AA;
  --accent-dark: #00B894;
  --accent-dim: rgba(0,212,170,0.1);
  --accent-border: rgba(0,212,170,0.3);
  --danger: #EF4444;
  --fg: #0F172A;
  --fg-muted: #64748B;
  --border: rgba(148,163,184,0.25);
  --surface: #ffffff;
  --surface-2: #F8FAFC;
  --radius: 12px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--surface-2);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Navbar ── */
.navbar {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  padding: 0 24px;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800; font-size: 1.2rem;
  color: var(--fg); text-decoration: none;
}
.nav-label { font-size: 0.8rem; color: var(--fg-muted); font-weight: 500; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-link {
  color: var(--fg-muted); font-size: 0.88rem;
  text-decoration: none; font-weight: 500;
}
.nav-link:hover { color: var(--accent); }

/* ── Page wrapper ── */
.auth-page { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%; max-width: 420px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.auth-logo {
  font-family: var(--font-head);
  font-weight: 800; font-size: 1.4rem;
  color: var(--fg); text-decoration: none;
  display: block; text-align: center;
  margin-bottom: 4px;
}
.auth-logo span { color: var(--accent); }

.auth-title {
  font-family: var(--font-head);
  font-size: 1.4rem; font-weight: 700;
  color: var(--fg); text-align: center;
  margin-bottom: 6px;
}
.auth-sub {
  text-align: center; color: var(--fg-muted);
  font-size: 0.9rem; margin-bottom: 28px;
}

/* ── Form fields ── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--fg); margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--fg);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-input::placeholder { color: #94A3B8; }

.form-row { display: flex; align-items: center; justify-content: space-between; }
.form-checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.form-checkbox-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.form-checkbox-row label { font-size: 0.85rem; color: var(--fg-muted); cursor: pointer; }

/* ── Error message ── */
.field-error {
  color: var(--danger); font-size: 12px; margin-top: 4px;
  display: none;
}
.field-error.visible { display: block; }

/* ── Inline form-level error ── */
.form-error {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.form-error.visible { display: block; }

/* ── Submit button ── */
.btn-primary {
  width: 100%;
  padding: 13px 24px;
  background: var(--accent);
  color: #0F172A;
  border: none;
  border-radius: 8px;
  font-size: 15px; font-weight: 700;
  cursor: pointer; font-family: var(--font-body);
  transition: background 0.15s, opacity 0.15s;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Divider ── */
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0;
  color: var(--fg-muted); font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ── Toggle link ── */
.auth-toggle {
  text-align: center; font-size: 0.88rem; color: var(--fg-muted);
  margin-top: 20px;
}
.auth-toggle a {
  color: var(--accent); text-decoration: none; font-weight: 600;
}
.auth-toggle a:hover { text-decoration: underline; }

/* ── Password hint ── */
.password-hint {
  font-size: 0.78rem; color: var(--fg-muted); margin-top: 4px;
}

/* ── Footer ── */
.auth-footer {
  text-align: center; padding: 20px;
  font-size: 0.78rem; color: var(--fg-muted);
  border-top: 1px solid var(--border);
}
.auth-footer a { color: var(--fg-muted); text-decoration: none; }
.auth-footer a:hover { color: var(--accent); }

/* ── Referral landing page ── */
.referral-badge {
  text-align: center;
  margin: 16px 0 20px;
  padding: 12px;
  background: var(--accent-dim);
  border: 1.5px solid var(--accent-border);
  border-radius: 12px;
}

.referral-code-tag {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent-dark);
  letter-spacing: 0.06em;
}

.referral-tagline {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 2px;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  padding: 16px;
  background: var(--surface-2);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--fg);
}

.benefit-icon { font-size: 1rem; }

.referral-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin: 12px 0 0;
  line-height: 1.5;
}

/* ── Referral invalid page ── */
.ref-invalid-icon {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 12px;
}

/* ── Side selector (registration page) ── */
.side-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 4px; }
.side-card {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 10px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
  user-select: none;
}
.side-card:hover { border-color: var(--accent-border); background: var(--accent-dim); }
.side-card:has(input:checked) { border-color: var(--accent); background: var(--accent-dim); }
.side-card input { display: none; }
.side-name { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1rem; display: block; color: var(--fg); }
.side-hint { font-size: 0.75rem; color: var(--fg-muted); margin-top: 2px; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .auth-card { padding: 28px 20px; }
  .auth-page { padding: 24px 12px; }
}

/* ── Team Chat ────────────────────────────────────────────────────────────── */
.chat-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.chat-tab {
  flex: 1; padding: 10px 16px; border-radius: 8px; border: 1.5px solid var(--border);
  background: var(--surface-2); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; color: var(--fg-muted); transition: all 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.chat-tab.active {
  background: linear-gradient(135deg, #6366F1, #4F46E5);
  border-color: #6366F1; color: #fff;
}
.chat-badge {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.25); color: #fff;
  border-radius: 20px; padding: 1px 7px; font-size: 0.7rem;
}
.chat-tab:not(.active) .chat-badge {
  background: var(--accent-dim); color: var(--accent);
}

.chat-window {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; height: 280px; display: flex; flex-direction: column;
  overflow: hidden;
}
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.chat-empty { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--fg-muted); font-size: 0.85rem; }

.chat-msg { max-width: 75%; padding: 8px 12px; border-radius: 12px; font-size: 0.85rem; line-height: 1.4; }
.chat-msg--mine { align-self: flex-end; background: #6366F1; color: #fff; border-bottom-right-radius: 4px; }
.chat-msg--theirs { align-self: flex-start; background: #E2E8F0; color: var(--fg); border-bottom-left-radius: 4px; }
.chat-msg-sender { font-size: 0.72rem; font-weight: 700; margin-bottom: 2px; opacity: 0.7; }
.chat-msg-time { font-size: 0.68rem; opacity: 0.6; margin-top: 3px; text-align: right; }

.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); background: var(--surface); }
.chat-input-row input {
  flex: 1; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px;
  font-size: 0.85rem; font-family: var(--font-body); color: var(--fg);
}
.chat-input-row input:focus { outline: none; border-color: #6366F1; }
.chat-send-btn {
  background: #6366F1; color: #fff; border: none; border-radius: 8px;
  padding: 8px 18px; font-size: 0.82rem; font-weight: 700; cursor: pointer;
}
.chat-send-btn:hover { background: #4F46E5; }