/* Auth pages — login, register, reset */

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  background:
    radial-gradient(900px 600px at 10% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(800px 600px at 100% 100%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 60%),
    var(--bg);
}

.auth-shell {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.auth-shell-wide { max-width: 520px; }

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 18px;
  align-self: center;
}
.brand-link:hover { color: var(--text-primary); }
.brand-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-title { font-size: 26px; letter-spacing: -0.02em; }
.auth-sub   { color: var(--text-secondary); font-size: 14px; }

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
@media (max-width: 560px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.field-hint { color: var(--text-muted); font-weight: 400; font-size: 12px; }
.field-msg {
  font-size: 12px;
  min-height: 16px;
  color: var(--text-muted);
}
.field-msg.error { color: var(--danger); }
.field-msg.ok    { color: var(--success); }

.btn-block { width: 100%; padding: 14px 16px; font-size: 15px; }

.auth-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 8px;
}
.auth-link {
  color: var(--accent);
  font-weight: 500;
}
.muted { color: var(--text-muted); }
.auth-footer { color: var(--text-muted); font-size: 12px; text-align: center; }

/* Avatar picker on register page */
.avatar-picker { display: flex; flex-direction: column; gap: var(--space-3); }
.avatar-preview {
  width: 72px; height: 72px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-soft), var(--surface-2));
  border: 1px solid var(--border);
  display: grid; place-items: center;
  font-size: 32px;
  overflow: hidden;
  align-self: center;
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }

.avatar-tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface-2); border-radius: var(--radius-md); border: 1px solid var(--border); }
.avatar-tab {
  flex: 1;
  background: transparent;
  border: none;
  padding: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: 8px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.avatar-tab:hover { color: var(--text-primary); }
.avatar-tab.active { background: var(--surface); color: var(--accent-strong); box-shadow: var(--shadow-sm); }

.avatar-upload {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.avatar-upload input[type='file'] {
  padding: 10px;
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

/* Mobile portrait improvements */
@media (max-width: 480px) {
  .auth-body { padding: var(--space-3); }
  .auth-card { padding: var(--space-4); }
  .auth-title { font-size: 22px; }
  .brand-link { font-size: 16px; }
  .brand-mark { width: 28px; height: 28px; }
}

@media (max-width: 375px) {
  .auth-body { padding: var(--space-2); }
  .auth-card { padding: var(--space-3); gap: var(--space-3); }
  .auth-title { font-size: 20px; }
  .auth-sub { font-size: 13px; }
  .avatar-preview { width: 64px; height: 64px; font-size: 28px; }
}

/* ═══ Motion polish (additive) ══════════════════════════════════
   Transform/opacity only; neutralized under reduced-motion below. */

/* Auth card entrance — greets the user on load. */
.auth-card { animation: ss-auth-in 380ms cubic-bezier(.2,.6,.3,1) both; }
@keyframes ss-auth-in { from { opacity: 0; transform: translateY(16px) scale(.99); } to { opacity: 1; transform: none; } }

/* Brand mark: gentle ambient float. */
.brand-mark { animation: ss-brand-float 5s ease-in-out infinite; }
@keyframes ss-brand-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }

/* Block submit button + avatar tabs: press feedback. */
.btn-block { transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition); }
.btn-block:active { transform: scale(.98); }
.avatar-tab:active { transform: scale(.97); }

@media (prefers-reduced-motion: reduce) {
  .auth-card, .brand-mark { animation: none; }
  .btn-block, .avatar-tab { transition: background var(--transition), color var(--transition), border-color var(--transition); }
  .btn-block:active, .avatar-tab:active { transform: none; }
}