/* ==========================================================================
   login.css — Login page for kai.research.my v2
   ========================================================================== */

/* ---- Page ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  background-color: var(--bg-black);
  position: relative;
  overflow: hidden;
}

/* Background grid + radial glow */
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 600px 400px at 50% 40%, rgba(29, 158, 117, 0.06) 0%, transparent 70%),
    linear-gradient(rgba(34, 34, 34, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 34, 34, 0.3) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ---- Card ---- */
.login-card {
  position: relative;
  z-index: 1;
  width: 420px;
  max-width: calc(100% - 32px);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* ---- Brand ---- */
.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.login-brand__name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 4px;
  text-transform: uppercase;
}

.login-brand__divider {
  width: 40px;
  height: 2px;
  background-color: var(--accent-teal);
}

.login-brand__tagline {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- Form ---- */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-form .form-label {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.login-form .form-input {
  width: 100%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-white);
  transition: border-color var(--transition-fast);
}

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

.login-form .form-input:focus {
  border-color: var(--accent-teal);
}

/* ---- Submit ---- */
.login-submit {
  width: 100%;
  padding: 12px 20px;
  background-color: var(--accent-teal);
  color: var(--bg-black);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.login-submit:hover {
  background-color: #0F6E56;
}

.login-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Error ---- */
.login-error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-error);
  text-align: center;
  padding: 10px;
  background: rgba(255, 102, 102, 0.08);
  border: 1px solid rgba(255, 102, 102, 0.2);
}

/* ---- Footer ---- */
.login-footer {
  text-align: center;
}

.login-footer__text {
  font-family: var(--font-heading);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .login-card {
    padding: 32px 24px;
    gap: 24px;
  }

  .login-brand__name {
    font-size: 16px;
  }
}

/* Success/Error state in login cards */
.login-success {
    text-align: center;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}