/* ── Login page ── */
html, body {
  margin: 0; padding: 0;
  min-height: 100vh;
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  background: var(--cds-background);
  color: var(--cds-text-primary);
}

/* ── Layout ── */
.login-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
@media (max-width: 672px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-brand-panel { display: none; }
}

/* ── Brand panel (left) ── */
.login-brand-panel {
  background: var(--cds-layer-01);
  border-right: 1px solid var(--cds-border-subtle-01);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.login-brand-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(69, 137, 255, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.login-brand-logo {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cds-text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.login-brand-logo__prefix { font-weight: 300; color: var(--cds-text-secondary); }

.login-brand-body {
  position: relative;
}
.login-brand-headline {
  font-size: 32px;
  font-weight: 300;
  line-height: 1.25;
  color: var(--cds-text-primary);
  margin: 0 0 1rem;
}
.login-brand-headline strong { font-weight: 600; color: var(--cds-interactive); }
.login-brand-subline {
  font-size: 14px;
  color: var(--cds-text-secondary);
  line-height: 1.6;
  max-width: 380px;
  margin: 0;
}

.login-brand-phases {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.login-phase-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--cds-text-helper);
}
.login-phase-pip {
  width: 8px; height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}
.login-phase-pip--initiating { background: var(--ph-initiating); }
.login-phase-pip--planning   { background: var(--ph-planning); }
.login-phase-pip--executing  { background: var(--ph-executing); }
.login-phase-pip--monitoring { background: var(--ph-monitoring); }
.login-phase-pip--closing    { background: var(--ph-closing); }
.login-phase-name { color: var(--cds-text-secondary); font-weight: 500; }

/* ── Form panel (right) ── */
.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--cds-background);
}
.login-form-card {
  width: 100%;
  max-width: 400px;
}

.login-form-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cds-text-helper);
  margin: 0 0 0.75rem;
}
.login-form-title {
  font-size: 28px;
  font-weight: 300;
  color: var(--cds-text-primary);
  margin: 0 0 2rem;
  line-height: 1.2;
}

/* ── Input fields ── */
.login-field {
  margin-bottom: 1.5rem;
}
.login-label {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--cds-text-secondary);
  margin-bottom: 0.5rem;
}
.login-input-wrap {
  position: relative;
}
.login-input {
  width: 100%;
  background: var(--cds-field-01);
  color: var(--cds-text-primary);
  border: none;
  border-bottom: 1px solid var(--cds-border-strong-01);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.1s, box-shadow 0.1s;
  -webkit-appearance: none;
}
.login-input::placeholder { color: var(--cds-text-helper); }
.login-input:focus {
  border-bottom-color: var(--cds-interactive);
  box-shadow: inset 0 -1px 0 0 var(--cds-interactive);
}

/* ── Error notification ── */
.login-error {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(218, 30, 40, 0.1);
  border-left: 4px solid var(--cds-support-error);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 14px;
  color: var(--cds-support-error);
  line-height: 1.5;
}
.login-error__icon {
  flex-shrink: 0;
  color: var(--cds-support-error);
  margin-top: 1px;
}

/* ── Submit button ── */
.login-submit {
  width: 100%;
  background: var(--cds-interactive);
  color: var(--cds-text-on-color);
  border: none;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  font-weight: 400;
  padding: 1rem 1rem;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  transition: background 0.1s;
  letter-spacing: 0.01em;
}
.login-submit:hover { background: var(--cds-interactive); }
.login-submit:active { background: var(--cds-interactive); }
.login-submit__arrow {
  font-size: 20px;
  line-height: 1;
}

.login-form-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cds-border-subtle-01);
  font-size: 12px;
  color: var(--cds-text-helper);
  line-height: 1.6;
}

/* ── Theme toggle ── */
.ln-theme-btn {
  position: fixed; top: .75rem; right: .75rem;
  background: none; border: 1px solid var(--cds-border-subtle-01);
  color: var(--cds-text-secondary); cursor: pointer; padding: 8px;
  border-radius: 2px; display: flex; align-items: center;
  transition: background .1s, color .1s;
}
.ln-theme-btn:hover { background: var(--cds-border-subtle-01); color: var(--cds-text-primary); }