/* ==========================================================================
   AUTH MODULE - Login Page Styles
   ==========================================================================
   Phase 2 Fix: Define login-specific CSS classes that were never implemented.
   ADR-004 Compliant: No inline styles, no hard-coded hex (uses tokens/legacy vars)
   
   This file owns ALL login/auth page styling. Shared form primitives from
   forms.css do NOT apply to login unless explicitly opted-in via wrapper class.
   ========================================================================== */

/* -----------------------------------------------------------------------------
   LOGIN PAGE WRAPPER
   Full-page container with centered content
----------------------------------------------------------------------------- */
.login-page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-1, var(--bg-primary));
  padding: var(--space-6, 1.5rem);
}

/* -----------------------------------------------------------------------------
   LOGIN HERO CARD
   Centered card containing logo, form, and demo accounts
----------------------------------------------------------------------------- */
.login-hero {
  width: 100%;
  max-width: 480px;
  background: var(--color-surface-0);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.login-hero-header {
  text-align: center;
  padding: var(--space-10, 2.5rem) var(--space-8, 2rem) var(--space-6, 1.5rem);
  background: var(--gradient-hero);
  color: var(--color-text-inverse);
}

.login-hero-logo {
  margin-bottom: var(--space-4, 1rem);
}

.login-hero-logo img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg, 0.75rem);
  object-fit: cover;
}

.login-hero-title {
  font-size: var(--text-2xl, 1.5rem);
  font-weight: 700;
  margin: 0 0 var(--space-2, 0.5rem) 0;
  color: inherit;
}

.login-hero-subtitle {
  font-size: var(--text-sm, 0.875rem);
  opacity: 0.9;
  margin: 0;
}

.login-hero-form {
  padding: var(--space-8, 2rem);
}

/* -----------------------------------------------------------------------------
   LOGIN ERROR MESSAGE
----------------------------------------------------------------------------- */
.login-error {
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-4, 1rem);
  background: var(--color-danger-100, var(--bg-danger));
  border: 1px solid var(--color-danger-200, var(--border-danger));
  border-radius: var(--radius-md, 0.5rem);
  color: var(--color-danger-600, var(--text-danger));
  font-size: var(--text-sm, 0.875rem);
  margin-bottom: var(--space-6, 1.5rem);
}

.login-error svg {
  flex-shrink: 0;
}

/* -----------------------------------------------------------------------------
   LOGIN FORM GROUP
   Container for label + input pairs
----------------------------------------------------------------------------- */
.login-form-group {
  margin-bottom: var(--space-5, 1.25rem);
}

.login-form-label {
  display: block;
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  color: var(--color-text-2, var(--text-secondary));
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2, 0.5rem);
}

/* -----------------------------------------------------------------------------
   LOGIN FORM CONTROL
   Input styling for username AND password fields
----------------------------------------------------------------------------- */
.login-form-control {
  display: block;
  width: 100%;
  padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
  font-family: var(--font-sans);
  font-size: var(--text-base, 1rem);
  font-weight: 500;
  color: var(--color-text-1, var(--text-primary));
  background: var(--color-surface-0);
  border: 1px solid var(--color-border-1, var(--border));
  border-radius: var(--radius-md, 0.5rem);
  transition: all 0.15s ease;
  line-height: 1.5;
}

.login-form-control:hover {
  border-color: var(--color-border-2, var(--border-hover));
}

.login-form-control:focus {
  outline: none;
  border-color: var(--color-focus, var(--border-focus));
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.login-form-control::placeholder {
  color: var(--color-text-3, var(--text-muted));
  font-weight: 400;
}

/* -----------------------------------------------------------------------------
   LOGIN BUTTON
   Primary action button
----------------------------------------------------------------------------- */
.login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2, 0.5rem);
  width: 100%;
  padding: var(--space-4, 1rem);
  font-size: var(--text-base, 1rem);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--gradient-button, var(--color-brand-500));
  border: none;
  border-radius: var(--radius-md, 0.5rem);
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: var(--space-6, 1.5rem);
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.login-btn:active {
  transform: translateY(0);
}

.login-btn svg {
  width: 20px;
  height: 20px;
}

/* -----------------------------------------------------------------------------
   LOGIN DIVIDER
   Separator between form and demo accounts
----------------------------------------------------------------------------- */
.login-divider {
  display: flex;
  align-items: center;
  margin: var(--space-8, 2rem) 0;
  color: var(--color-text-3, var(--text-muted));
  font-size: var(--text-xs, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-1, var(--border));
}

.login-divider span {
  padding: 0 var(--space-4, 1rem);
}

/* -----------------------------------------------------------------------------
   DEMO ACCOUNTS GRID
   Quick-login buttons for demo users
----------------------------------------------------------------------------- */
.demo-accounts-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
}

.demo-account-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
  width: 100%;
  padding: var(--space-4, 1rem);
  background: var(--color-surface-1, var(--bg-secondary));
  border: 1px solid var(--color-border-1, var(--border));
  border-radius: var(--radius-md, 0.5rem);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.demo-account-btn:hover {
  background: var(--color-surface-2, var(--bg-tertiary));
  border-color: var(--color-border-2, var(--border-hover));
}

.demo-badge {
  display: inline-flex;
  padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-radius: var(--radius-sm, 0.25rem);
}

.demo-badge.admin {
  background: var(--color-brand-100);
  color: var(--color-brand-700);
}

.demo-badge.accountant {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.demo-badge.viewer {
  background: var(--color-surface-2);
  color: var(--color-text-2);
}

.demo-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo-info strong {
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-1, var(--text-primary));
}

.demo-info span {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-3, var(--text-muted));
}

.demo-arrow {
  color: var(--color-text-3, var(--text-muted));
  transition: transform 0.15s ease;
}

.demo-account-btn:hover .demo-arrow {
  transform: translateX(2px);
}

/* -----------------------------------------------------------------------------
   RESPONSIVE ADJUSTMENTS
----------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .login-page-wrapper {
    padding: var(--space-4, 1rem);
  }

  .login-hero-header {
    padding: var(--space-8, 2rem) var(--space-6, 1.5rem) var(--space-5, 1.25rem);
  }

  .login-hero-form {
    padding: var(--space-6, 1.5rem);
  }

  .login-hero-logo img {
    width: 64px;
    height: 64px;
  }
}

/* ==========================================================================
   PR #116d.22 — PHASE 3 FINALE LUXURY TREATMENT
   Disruptive first-impression: radial ambient glow, brand-line top accent,
   env StatusPill, demo cards as ds-cards. Linear × Vercel × Arc inspiration.
   ========================================================================== */
.login-page--luxury {
  position: relative;
  overflow: hidden;
}

/* Radial ambient glow behind the card — subtle premium feel */
.login-ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 720px;
  height: 720px;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at center,
      color-mix(in srgb, var(--ds-brand, #60a5fa) 14%, transparent) 0%,
      color-mix(in srgb, var(--ds-brand, #60a5fa) 4%, transparent) 40%,
      transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.login-hero--luxury {
  position: relative;
  z-index: 1;
  border: 1px solid var(--ds-card-border, var(--color-border-1, var(--border)));
  box-shadow:
    0 20px 60px -20px rgba(0, 0, 0, 0.55),
    0 1px 0 0 color-mix(in srgb, var(--ds-brand, #60a5fa) 22%, transparent) inset;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Brand line on top of card — Linear-style accent */
.login-brand-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--ds-brand, #60a5fa) 30%,
    var(--ds-brand, #60a5fa) 70%,
    transparent 100%
  );
  opacity: 0.7;
  z-index: 2;
}

.login-env-pill {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 3;
}

/* Luxury sign-in button: lift + brand glow on hover */
.login-signin-btn[data-variant="primary"] {
  position: relative;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.login-signin-btn[data-variant="primary"]:hover {
  transform: translateY(-1px);
  box-shadow:
    0 8px 24px -8px color-mix(in srgb, var(--ds-brand, #60a5fa) 60%, transparent),
    0 0 0 1px color-mix(in srgb, var(--ds-brand, #60a5fa) 40%, transparent);
  filter: brightness(1.05);
}

.login-signin-btn[data-variant="primary"]:active {
  transform: translateY(0);
}

/* Demo cards: lift on hover, brand-tinted border tone (ds-card already styles base) */
.login-demo-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-demo-card {
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-demo-card:hover {
  transform: translateY(-1px);
  border-color: var(--ds-brand, #60a5fa);
  box-shadow: 0 6px 18px -10px color-mix(in srgb, var(--ds-brand, #60a5fa) 50%, transparent);
}

.login-footer-note {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-1, var(--border));
  text-align: center;
  font-size: 11.5px;
  color: var(--color-text-3, var(--text-muted));
  letter-spacing: 0.02em;
}