/* ═══════════════════════════════════════════════════════════════════
   Bixton ERP — login page stylesheet
   Self-contained: does not import or depend on branding/app.css so this
   page renders correctly even if app.css is mid-change. Token values
   mirror app.css's :root so the two surfaces still feel like one product.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --nav:          #0a1622;
  --nav-2:        #0f2036;
  --brand:        #1a6b7a;
  --brand-2:      #0f4a57;
  --accent:       #dfa938;
  --accent-2:     #b3811f;
  --ink:          #0f172a;
  --ink-2:        #334155;
  --muted:        #64748b;
  --line:         #e2e8f0;
  --line-strong:  #cbd5e1;
  --surface:      #ffffff;
  --surface-2:    #f8fafc;
  --danger:       #dc2626;
  --danger-pale:  #fef2f2;
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    16px;
  --shadow-lg:    0 2px 4px rgba(15,23,42,.08), 0 8px 20px rgba(15,23,42,.10);
  --font:         'IBM Plex Sans', ui-sans-serif, -apple-system, 'Segoe UI', Roboto, system-ui, sans-serif;
  --ease:         cubic-bezier(.4,0,.2,1);
  --dur:          160ms;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  min-height: 100%;
}

body.login-page {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface-2);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
}

/* ── Brand panel ─────────────────────────────────────────────────── */
.login-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 56px 64px;
  background: linear-gradient(160deg, var(--nav) 0%, var(--nav-2) 60%, var(--brand-2) 130%);
  color: #ffffff;
}

.login-brand-glow {
  position: absolute;
  inset: -20% -20% auto auto;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,184,75,.22) 0%, rgba(232,184,75,0) 70%);
  pointer-events: none;
}

.login-brand-inner {
  position: relative;
  z-index: 1;
  max-width: 440px;
}

.login-brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.login-brand-icon {
  width: 34px;
  height: 34px;
}

.login-brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.login-brand-tagline {
  margin: 0 0 28px;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 500;
  color: rgba(255,255,255,.92);
}

.login-brand-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-brand-points li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: rgba(255,255,255,.78);
}

.login-brand-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--accent);
}

/* ── Form panel ──────────────────────────────────────────────────── */
.login-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(26,107,122,.05), transparent 55%),
    var(--surface-2);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px;
}

.login-card-head {
  margin-bottom: 24px;
}

.login-card-mark {
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
}

.login-card-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}

.login-card-subtitle {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

/* ── Alerts ──────────────────────────────────────────────────────── */
.login-alert {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--danger-pale);
  border: 1px solid rgba(220,38,38,.25);
  color: #7f1d1d;
  font-size: 13.5px;
}

.login-alert p {
  margin: 0;
}

.login-alert p + p {
  margin-top: 4px;
}

/* ── Form ────────────────────────────────────────────────────────── */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.login-input {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font);
  font-size: 16px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.login-input::placeholder {
  color: var(--muted);
}

.login-input:hover {
  border-color: var(--muted);
}

.login-input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(26,107,122,.18);
}

.login-input.is-invalid {
  border-color: var(--danger);
}

.login-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220,38,38,.16);
}

.login-field-error {
  margin: 2px 0 0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--danger);
}

.login-password-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}

.login-password-wrap .login-input {
  padding-right: 48px;
}

.login-password-toggle {
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.login-password-toggle:hover {
  color: var(--ink-2);
  background: var(--surface-2);
}

.login-password-toggle .login-eye {
  width: 20px;
  height: 20px;
}

.login-password-toggle .login-eye-hide {
  display: none;
}

.login-password-toggle.is-visible .login-eye-show {
  display: none;
}

.login-password-toggle.is-visible .login-eye-hide {
  display: block;
}

/* ── Submit button ───────────────────────────────────────────────── */
.login-submit {
  position: relative;
  margin-top: 4px;
  padding: 12px 20px;
  min-height: 46px;
  font-family: var(--font);
  font-size: 14.5px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.login-submit:hover {
  filter: brightness(1.08);
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit:disabled {
  cursor: default;
  filter: grayscale(.15) brightness(.95);
}

.login-submit-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #ffffff;
}

.login-submit.is-loading .login-submit-label {
  opacity: .85;
}

.login-submit.is-loading .login-submit-spinner {
  display: inline-block;
  animation: login-spin .7s linear infinite;
}

@keyframes login-spin {
  to { transform: rotate(360deg); }
}

.login-card-foot {
  margin: 22px 0 0;
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}

/* ── Focus visibility (never remove outlines) ───────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.login-password-toggle:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ── Reduced motion ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .login-input,
  .login-submit,
  .login-password-toggle {
    transition: none;
  }
  .login-submit-spinner {
    animation-duration: 1.4s;
  }
}

/* ── Mobile: brand panel collapses above the form ───────────────── */
@media (max-width: 880px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-brand {
    padding: 32px 24px;
    text-align: left;
  }

  .login-brand-tagline {
    font-size: 15px;
    margin-bottom: 18px;
  }

  .login-brand-points {
    display: none;
  }

  .login-brand-glow {
    width: 260px;
    height: 260px;
  }

  .login-form-wrap {
    padding: 28px 20px 48px;
  }
}

@media (max-width: 420px) {
  .login-card {
    padding: 28px 20px;
  }
}