/* ================================================================
   AUTOFLASHER PORTAL — SUPER PREMIUM GLASSMORPHISM DESIGN SYSTEM
   Farben: Schwarz, Rot, Dunkelgrau — KEIN Blau/Lila
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&display=swap');

/* ============ CSS VARIABLES ============ */
:root {
  /* Background */
  --af-bg-base: #0a0a0c;
  --af-bg-elevated: #141416;
  --af-bg-surface: #1a1a1e;

  /* Glass */
  --af-glass-bg: rgba(20, 20, 24, 0.72);
  --af-glass-bg-strong: rgba(16, 16, 19, 0.82);
  --af-glass-bg-subtle: rgba(26, 26, 30, 0.58);
  --af-glass-border: rgba(255, 255, 255, 0.07);
  --af-glass-border-hover: rgba(239, 68, 68, 0.22);
  --af-glass-blur: blur(20px);
  --af-glass-blur-strong: blur(28px);

  /* Accent — ROT */
  --af-accent: #ef4444;
  --af-accent-hover: #dc2626;
  --af-accent-deep: #991b1b;
  --af-accent-glow: rgba(239, 68, 68, 0.28);
  --af-accent-glow-strong: rgba(239, 68, 68, 0.42);
  --af-accent-subtle: rgba(239, 68, 68, 0.10);

  /* Text */
  --af-text-primary: #f1f5f9;
  --af-text-secondary: #a1a1aa;
  --af-text-muted: #71717a;

  /* Shadows */
  --af-shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.18);
  --af-shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.22), 0 0 32px rgba(239, 68, 68, 0.06);
  --af-shadow-button: 0 8px 24px rgba(239, 68, 68, 0.24), 0 2px 8px rgba(0, 0, 0, 0.3);
  --af-shadow-input-focus: 0 0 0 3px rgba(239, 68, 68, 0.12), 0 0 20px rgba(239, 68, 68, 0.08);
  --af-shadow-sidebar: 4px 0 32px rgba(0, 0, 0, 0.4);

  /* Radius */
  --af-radius-sm: 8px;
  --af-radius-md: 12px;
  --af-radius-lg: 16px;
  --af-radius-xl: 20px;
  --af-radius-2xl: 24px;

  /* Sidebar */
  --af-sidebar-width: 260px;

  /* Semantic — KEIN BLAU */
  --af-success: #10b981;
  --af-success-bg: rgba(16, 185, 129, 0.12);
  --af-warning: #f59e0b;
  --af-warning-bg: rgba(245, 158, 11, 0.12);
  --af-danger: #ef4444;
  --af-danger-bg: rgba(239, 68, 68, 0.12);
  --af-neutral: #a1a1aa;
  --af-neutral-bg: rgba(161, 161, 170, 0.10);
}

/* ============ BODY / PAGE BACKGROUND ============ */
.af-body {
  margin: 0;
  min-height: 100vh;
  background: var(--af-bg-base);
  background-image:
    radial-gradient(ellipse 80% 60% at 8% 12%, rgba(239, 68, 68, 0.07), transparent),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(220, 38, 38, 0.04), transparent),
    radial-gradient(ellipse 70% 60% at 70% 85%, rgba(239, 68, 68, 0.03), transparent);
  background-attachment: fixed;
  color: var(--af-text-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
}

/* ============ SIDEBAR ============ */
.af-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--af-sidebar-width);
  height: 100vh;
  background: var(--af-glass-bg-strong);
  backdrop-filter: var(--af-glass-blur-strong);
  -webkit-backdrop-filter: var(--af-glass-blur-strong);
  border-right: 1px solid var(--af-glass-border);
  box-shadow: var(--af-shadow-sidebar);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(239, 68, 68, 0.18) transparent;
}

.af-sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.18), transparent);
  pointer-events: none;
}

.af-sidebar-brand {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--af-glass-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.af-sidebar-brand img {
  height: 36px;
  width: auto;
  display: none;
  margin-bottom: 0.25rem;
}

.af-sidebar-brand span {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--af-text-primary);
}

.af-sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.af-nav-group-label {
  display: block;
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--af-text-muted);
}

.af-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.75rem;
  border-radius: var(--af-radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--af-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.af-nav-item:hover {
  color: var(--af-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.06);
  transform: translateX(2px);
}

.af-nav-item.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.16), rgba(220, 38, 38, 0.08));
  border-color: rgba(239, 68, 68, 0.22);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.af-nav-item .nav-icon,
.af-nav-item .af-nav-icon {
  font-size: 1.1rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

.af-sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--af-glass-border);
  font-size: 0.72rem;
  color: var(--af-text-muted);
  text-align: center;
  opacity: 0.5;
}

/* ============ MAIN CONTENT ============ */
.af-main {
  margin-left: var(--af-sidebar-width);
  flex: 1;
  padding: 2rem 2.5rem 3rem;
  min-height: 100vh;
  max-width: 1200px;
}

.af-page-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.03em;
  color: var(--af-text-primary);
}

.af-page-subtitle {
  color: var(--af-text-secondary);
  font-size: 0.92rem;
  margin: 0 0 2rem 0;
  line-height: 1.5;
}

/* ============ GLASS CARD ============ */
.af-glass-card {
  position: relative;
  background: var(--af-glass-bg);
  backdrop-filter: var(--af-glass-blur);
  -webkit-backdrop-filter: var(--af-glass-blur);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-xl);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--af-shadow-card);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  overflow: hidden;
}

.af-glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  pointer-events: none;
}

.af-glass-card:hover {
  border-color: var(--af-glass-border-hover);
  box-shadow: var(--af-shadow-card-hover);
}

.af-glass-card h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1.25rem 0;
  color: var(--af-text-primary);
  letter-spacing: -0.01em;
}

/* ============ STAT CARDS ============ */
.af-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.af-stat-card {
  position: relative;
  background: var(--af-glass-bg);
  backdrop-filter: var(--af-glass-blur);
  -webkit-backdrop-filter: var(--af-glass-blur);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--af-shadow-card);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.af-stat-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.af-stat-card:hover {
  border-color: var(--af-glass-border-hover);
  box-shadow: var(--af-shadow-card-hover);
  transform: translateY(-3px);
}

.af-stat-card:hover::after {
  opacity: 1;
}

.af-stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  display: block;
}

.af-stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--af-text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.af-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--af-text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

/* ============ QUICK LINKS ============ */
.af-quick-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.af-quick-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--af-radius-md);
  border: 1px solid var(--af-glass-border);
  text-decoration: none;
  color: var(--af-text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
}

.af-quick-link:hover {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--af-glass-border-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.1);
}

/* ============ DEVICE CARDS ============ */
.af-device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.af-device-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-lg);
  padding: 1.25rem 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
}

.af-device-card:hover {
  border-color: var(--af-glass-border-hover);
  background: rgba(239, 68, 68, 0.04);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), 0 0 16px rgba(239, 68, 68, 0.06);
}

.af-device-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--af-text-primary);
}

.af-device-meta {
  font-size: 0.8rem;
  color: var(--af-text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* ============ SUBSCRIPTION CARDS ============ */
.af-sub-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
}

.af-sub-card:hover {
  border-color: var(--af-glass-border-hover);
  background: rgba(239, 68, 68, 0.03);
}

.af-sub-info { flex: 1; }

.af-sub-plan {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--af-text-primary);
}

.af-sub-meta {
  font-size: 0.8rem;
  color: var(--af-text-secondary);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.af-progress-wrap { margin-top: 0.75rem; }

.af-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--af-text-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.af-progress-bar {
  height: 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.af-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--af-accent), var(--af-accent-hover));
  border-radius: 999px;
  transition: width 0.5s ease;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

/* ============ TABLE ============ */
.af-table-wrap {
  background: var(--af-glass-bg);
  backdrop-filter: var(--af-glass-blur);
  -webkit-backdrop-filter: var(--af-glass-blur);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-lg);
  overflow: hidden;
}

.af-table-head {
  display: grid;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--af-text-muted);
  border-bottom: 1px solid var(--af-glass-border);
}

.af-table-row {
  display: grid;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.875rem;
  align-items: center;
  transition: background 0.2s ease;
  color: var(--af-text-primary);
}

.af-table-row:first-child { border-top: none; }

.af-table-row:hover {
  background: rgba(239, 68, 68, 0.03);
}

.af-inv-num {
  font-weight: 700;
  color: var(--af-accent);
}

/* 5-column invoice table */
.af-table-head.inv-cols,
.af-table-row.inv-cols {
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
}

/* 4-column activation table */
.af-table-head.act-cols,
.af-table-row.act-cols {
  grid-template-columns: 2fr 1fr 1fr 1fr;
}

/* ============ BADGES ============ */
.af-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.af-badge-active, .af-badge-paid {
  background: var(--af-success-bg);
  color: var(--af-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.af-badge-expired, .af-badge-warning, .af-badge-pending {
  background: var(--af-warning-bg);
  color: var(--af-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.af-badge-cancelled, .af-badge-danger, .af-badge-overdue, .af-badge-inactive {
  background: var(--af-danger-bg);
  color: var(--af-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.af-badge-neutral, .af-badge-draft {
  background: var(--af-neutral-bg);
  color: var(--af-neutral);
  border: 1px solid rgba(161, 161, 170, 0.15);
}

/* "Sent/Finalized" — rot-ton statt blau */
.af-badge-sent {
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

/* Serial badge */
.af-serial-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.af-serial-badge.linked {
  background: var(--af-success-bg);
  color: var(--af-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.af-serial-badge.unlinked {
  background: rgba(255, 255, 255, 0.03);
  color: var(--af-text-secondary);
  border: 1px solid var(--af-glass-border);
}

/* ============ BUTTONS ============ */
.af-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0 1.25rem;
  border-radius: var(--af-radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  font-family: inherit;
}

.af-btn-primary {
  background: linear-gradient(135deg, var(--af-accent), var(--af-accent-hover));
  color: #fff;
  box-shadow: var(--af-shadow-button);
}

.af-btn-primary:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px var(--af-accent-glow-strong), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.af-btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--af-text-primary);
  border: 1px solid var(--af-glass-border);
  backdrop-filter: blur(8px);
}

.af-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--af-glass-border-hover);
  transform: translateY(-1px);
}

.af-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.af-btn-pdf {
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--af-text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.af-btn-pdf:hover {
  background: var(--af-accent);
  color: #fff;
  border-color: var(--af-accent);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

/* ============ FORMS ============ */
.af-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.af-form-group {
  margin-bottom: 0.5rem;
}

.af-form-group label,
.af-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--af-text-muted);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.af-input,
.af-body input[type="text"],
.af-body input[type="email"],
.af-body input[type="password"],
.af-body input[type="tel"],
.af-body input[type="url"],
.af-body input[type="number"],
.af-body input[type="date"],
.af-body select,
.af-body textarea {
  width: 100%;
  min-height: 44px;
  padding: 0 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-md);
  color: var(--af-text-primary);
  font-size: 0.92rem;
  font-family: inherit;
  box-sizing: border-box;
  backdrop-filter: blur(8px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.af-input:focus,
.af-body input:focus,
.af-body select:focus,
.af-body textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(239, 68, 68, 0.32);
  box-shadow: var(--af-shadow-input-focus);
  transform: translateY(-1px);
}

.af-input:disabled,
.af-body input:disabled {
  opacity: 0.45;
  cursor: default;
}

.af-input:-webkit-autofill,
.af-body input:-webkit-autofill {
  -webkit-text-fill-color: var(--af-text-primary);
  box-shadow: 0 0 0 1000px rgba(10, 10, 12, 0.95) inset, var(--af-shadow-input-focus);
  transition: background-color 9999s ease-in-out 0s;
  border-color: rgba(239, 68, 68, 0.18);
}

.af-form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ============ EMPTY STATE ============ */
.af-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--af-text-muted);
}

.af-empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.af-empty-state p {
  margin: 0;
  font-size: 0.9rem;
}

/* ============ TOAST ============ */
.af-toast {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  padding: 0.9rem 1.5rem;
  background: var(--af-glass-bg-strong);
  backdrop-filter: var(--af-glass-blur);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-md);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 9999;
  display: none;
  color: var(--af-text-primary);
}

.af-toast.success {
  border-left: 3px solid var(--af-success);
}

.af-toast.error {
  border-left: 3px solid var(--af-danger);
}

/* ============ LOGIN PAGE ============ */
.af-login-body {
  margin: 0;
  min-height: 100vh;
  background: var(--af-bg-base);
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(239, 68, 68, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(220, 38, 38, 0.05), transparent);
  background-attachment: fixed;
  color: var(--af-text-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.af-login-layout {
  width: min(1060px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

/* Left: Brand panel */
.af-login-brand {
  position: relative;
  overflow: hidden;
  background: var(--af-glass-bg);
  backdrop-filter: var(--af-glass-blur-strong);
  -webkit-backdrop-filter: var(--af-glass-blur-strong);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-2xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--af-shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.af-login-brand::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.6), rgba(220, 38, 38, 0.1) 60%, transparent);
  pointer-events: none;
}

.af-login-brand::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.08), transparent 70%);
  pointer-events: none;
}

.af-login-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 54px;
  padding: 10px 16px;
  border-radius: var(--af-radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.af-login-logo {
  display: block;
  max-height: 42px;
  width: auto;
}

.af-login-brand-title {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 800;
  color: var(--af-text-primary);
}

.af-login-brand-copy {
  margin: 0;
  color: var(--af-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 28rem;
}

.af-login-features {
  display: grid;
  gap: 0.75rem;
}

.af-login-feature {
  display: grid;
  gap: 2px;
  padding: 0.85rem 1rem;
  border-radius: var(--af-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.af-login-feature strong {
  font-size: 0.85rem;
  color: var(--af-text-primary);
}

.af-login-feature span {
  color: var(--af-text-muted);
  font-size: 0.78rem;
}

/* Right: Form panel */
.af-login-card {
  position: relative;
  overflow: hidden;
  background: var(--af-glass-bg);
  backdrop-filter: var(--af-glass-blur-strong);
  -webkit-backdrop-filter: var(--af-glass-blur-strong);
  border: 1px solid var(--af-glass-border);
  border-radius: var(--af-radius-2xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--af-shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.af-login-card-title {
  margin: 0 0 0.5rem 0;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.af-login-card-sub {
  margin: 0 0 1.75rem 0;
  color: var(--af-text-secondary);
  font-size: 0.9rem;
}

.af-login-error {
  background: var(--af-danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  padding: 0.85rem 1rem;
  border-radius: var(--af-radius-md);
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  display: none;
}

.af-login-form {
  display: grid;
  gap: 1.1rem;
}

.af-login-form .af-form-group {
  margin-bottom: 0;
}

.af-login-forgot {
  text-align: right;
  margin-top: -0.25rem;
}

.af-login-forgot a {
  color: var(--af-accent);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
}

.af-login-forgot a:hover {
  color: #fca5a5;
}

.af-login-submit {
  width: 100%;
  min-height: 48px;
  border: none;
  border-radius: var(--af-radius-lg);
  background: linear-gradient(135deg, var(--af-accent), var(--af-accent-hover));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--af-shadow-button);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 0.5rem;
}

.af-login-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px var(--af-accent-glow-strong), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.af-login-submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============ SERIAL STATUS ============ */
.af-serial-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.af-serial-status.linked {
  background: var(--af-success-bg);
  color: var(--af-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.af-serial-status.unlinked {
  background: rgba(255, 255, 255, 0.03);
  color: var(--af-text-secondary);
  border: 1px solid var(--af-glass-border);
}

/* ============ LIGHT MODE ============ */
[data-theme="light"] .af-body,
[data-theme="light"] .af-login-body {
  --af-bg-base: #f5f5f5;
  --af-bg-elevated: #ffffff;
  --af-bg-surface: #fafafa;
  --af-glass-bg: rgba(255, 255, 255, 0.72);
  --af-glass-bg-strong: rgba(255, 255, 255, 0.85);
  --af-glass-bg-subtle: rgba(255, 255, 255, 0.58);
  --af-glass-border: rgba(0, 0, 0, 0.06);
  --af-glass-border-hover: rgba(239, 68, 68, 0.18);
  --af-text-primary: #1a1a1a;
  --af-text-secondary: #6b6b6b;
  --af-text-muted: #999999;
  --af-shadow-card: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.03);
  --af-shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.04);
  --af-shadow-button: 0 8px 24px rgba(239, 68, 68, 0.14);
  --af-shadow-sidebar: 4px 0 32px rgba(0, 0, 0, 0.06);

  background: var(--af-bg-base);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 15%, rgba(239, 68, 68, 0.04), transparent),
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(220, 38, 38, 0.03), transparent);
  color: var(--af-text-primary);
}

[data-theme="light"] .af-sidebar::before {
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.12), transparent);
}

[data-theme="light"] .af-stat-card::after {
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.2), transparent);
}

[data-theme="light"] .af-input:-webkit-autofill,
[data-theme="light"] .af-body input:-webkit-autofill {
  -webkit-text-fill-color: var(--af-text-primary);
  box-shadow: 0 0 0 1000px rgba(255, 255, 255, 0.95) inset;
}

[data-theme="light"] .af-login-error {
  color: #991b1b;
}

[data-theme="light"] .af-login-brand::before {
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.4), rgba(220, 38, 38, 0.08) 60%, transparent);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .af-login-layout {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .af-sidebar {
    position: fixed;
    left: -100%;
    transition: left 0.3s ease;
    z-index: 10000;
  }

  .af-sidebar.open {
    left: 0;
  }

  .af-main {
    margin-left: 0;
    padding: 1.5rem 1rem 2rem;
  }

  .af-page-title {
    font-size: 1.4rem;
  }

  .af-form-grid {
    grid-template-columns: 1fr;
  }

  .af-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .af-table-head.inv-cols,
  .af-table-row.inv-cols {
    grid-template-columns: 1fr 1fr;
  }

  .af-login-body {
    padding: 1.5rem 1rem;
  }

  .af-login-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .af-stats-grid {
    grid-template-columns: 1fr;
  }

  .af-quick-links {
    flex-direction: column;
  }

  .af-device-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ HAMBURGER MENU (Mobile) ============ */
.af-hamburger {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10001;
  width: 40px;
  height: 40px;
  border-radius: var(--af-radius-md);
  background: var(--af-glass-bg-strong);
  backdrop-filter: var(--af-glass-blur);
  border: 1px solid var(--af-glass-border);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--af-text-primary);
  box-shadow: var(--af-shadow-card);
}

@media (max-width: 768px) {
  .af-hamburger {
    display: flex;
  }
}

.af-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9999;
}

.af-overlay.open {
  display: block;
}