/* ==========================================================================
   B442WP — Application Stylesheet
   Clean SaaS UI, mobile-first, no external dependencies
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-slate-900:    #0f172a;
  --color-slate-800:    #1e293b;
  --color-slate-700:    #334155;
  --color-slate-600:    #475569;
  --color-slate-500:    #64748b;
  --color-slate-400:    #94a3b8;
  --color-slate-300:    #cbd5e1;
  --color-slate-200:    #e2e8f0;
  --color-slate-100:    #f1f5f9;
  --color-slate-50:     #f8fafc;
  --color-white:        #ffffff;

  --color-blue-600:     #2563eb;
  --color-blue-500:     #3b82f6;
  --color-blue-400:     #60a5fa;
  --color-blue-100:     #dbeafe;
  --color-blue-50:      #eff6ff;

  --color-green-600:    #16a34a;
  --color-green-500:    #22c55e;
  --color-green-100:    #dcfce7;
  --color-green-50:     #f0fdf4;

  --color-red-600:      #dc2626;
  --color-red-500:      #ef4444;
  --color-red-100:      #fee2e2;
  --color-red-50:       #fef2f2;

  --color-amber-600:    #d97706;
  --color-amber-500:    #f59e0b;
  --color-amber-100:    #fef3c7;
  --color-amber-50:     #fffbeb;

  /* Semantic aliases */
  --color-primary:      var(--color-blue-500);
  --color-primary-dark: var(--color-blue-600);
  --color-success:      var(--color-green-500);
  --color-error:        var(--color-red-500);
  --color-warning:      var(--color-amber-500);
  --color-text:         var(--color-slate-600);
  --color-heading:      var(--color-slate-900);
  --color-border:       var(--color-slate-200);
  --color-bg:           var(--color-slate-100);
  --color-card:         var(--color-white);

  /* Typography */
  --font-sans:  system-ui, ui-sans-serif, -apple-system, BlinkMacSystemFont,
                "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
                "Liberation Mono", monospace;
  --font-size-xs:   0.75rem;   /* 12px */
  --font-size-sm:   0.875rem;  /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg:   1.125rem;  /* 18px */
  --font-size-xl:   1.25rem;   /* 20px */
  --font-size-2xl:  1.5rem;    /* 24px */
  --font-size-3xl:  1.875rem;  /* 30px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --max-width:        1100px;
  --max-width-narrow: 720px;
  --nav-height:       64px;

  /* Effects */
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
  --shadow-card: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);

  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-xl:   12px;
  --radius-full: 9999px;

  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:      var(--font-sans);
  font-size:        var(--font-size-base);
  line-height:      1.6;
  color:            var(--color-text);
  background-color: var(--color-bg);
  min-height:       100vh;
  display:          flex;
  flex-direction:   column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  line-height: 1.25;
  font-weight: 600;
}
p { line-height: 1.7; }
strong { font-weight: 600; color: var(--color-heading); }
code {
  font-family: var(--font-mono);
  font-size: .875em;
  background: var(--color-slate-100);
  padding: 0.125em 0.35em;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left:  auto;
  margin-right: auto;
  padding-left:  var(--space-6);
  padding-right: var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.page-main {
  flex: 1;
  outline: none;
}

.page-content {
  padding-top:    var(--space-10);
  padding-bottom: var(--space-16);
}

/* --------------------------------------------------------------------------
   4. Navigation
   -------------------------------------------------------------------------- */
.nav {
  position:       sticky;
  top:            0;
  z-index:        100;
  background:     var(--color-white);
  border-bottom:  1px solid var(--color-border);
  box-shadow:     var(--shadow-sm);
}

.nav__inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  height:          var(--nav-height);
  gap:             var(--space-4);
}

/* Logo */
.nav__logo {
  display:     flex;
  align-items: center;
  gap:         var(--space-2);
  font-size:   var(--font-size-lg);
  font-weight: 700;
  color:       var(--color-heading);
  text-decoration: none;
  flex-shrink: 0;
  transition:  opacity var(--transition-fast);
}
.nav__logo:hover { opacity: 0.8; text-decoration: none; }
.nav__logo-text { letter-spacing: -.01em; }
.nav__logo-arrow {
  color: var(--color-primary);
  font-style: normal;
  margin: 0 0.08em;
}
.nav__logo-icon { flex-shrink: 0; }

/* Desktop links */
.nav__links {
  display:     flex;
  align-items: center;
  gap:         var(--space-1);
}

.nav__link {
  display:      inline-flex;
  align-items:  center;
  gap:          var(--space-2);
  padding:      var(--space-2) var(--space-3);
  font-size:    var(--font-size-sm);
  font-weight:  500;
  color:        var(--color-slate-600);
  border-radius: var(--radius-md);
  transition:   color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}
.nav__link:hover { color: var(--color-heading); background: var(--color-slate-100); text-decoration: none; }
.nav__link--active { color: var(--color-primary); }

/* Account avatar circle */
.nav__account-avatar {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  width:           26px;
  height:          26px;
  border-radius:   var(--radius-full);
  background:      var(--color-blue-100);
  color:           var(--color-blue-600);
  font-size:       var(--font-size-xs);
  font-weight:     700;
}

/* Logout form inline */
.nav__logout-form { display: inline; margin: 0; padding: 0; }
.nav__logout-btn {
  display:       inline-flex;
  align-items:   center;
  padding:       var(--space-2) var(--space-3);
  font-size:     var(--font-size-sm);
  font-weight:   500;
  color:         var(--color-slate-600);
  background:    none;
  border:        none;
  border-radius: var(--radius-md);
  transition:    color var(--transition-fast), background var(--transition-fast);
}
.nav__logout-btn:hover {
  color:       var(--color-red-600);
  background:  var(--color-red-50);
}

/* Hamburger */
.nav__mobile-toggle {
  display:         none;
  flex-direction:  column;
  justify-content: center;
  align-items:     center;
  gap:             5px;
  width:           40px;
  height:          40px;
  background:      none;
  border:          none;
  border-radius:   var(--radius-md);
  padding:         var(--space-2);
  transition:      background var(--transition-fast);
}
.nav__mobile-toggle:hover { background: var(--color-slate-100); }
.nav__hamburger-bar {
  display:          block;
  width:            22px;
  height:           2px;
  background:       var(--color-slate-700);
  border-radius:    var(--radius-full);
  transition:       transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}
.nav__mobile-toggle[aria-expanded="true"] .nav__hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__mobile-toggle[aria-expanded="true"] .nav__hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__mobile-toggle[aria-expanded="true"] .nav__hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile-menu {
  display:     none;
  position:    absolute;
  top:         100%;
  left:        0;
  right:       0;
  background:  var(--color-white);
  border-top:  1px solid var(--color-border);
  box-shadow:  var(--shadow-md);
  padding:     var(--space-4) var(--space-6);
  z-index:     99;
  opacity:     0;
  transform:   translateY(-8px);
  transition:  opacity var(--transition-base), transform var(--transition-base);
}
.nav__mobile-menu.is-open {
  opacity:   1;
  transform: translateY(0);
}
.nav__mobile-links { display: flex; flex-direction: column; gap: var(--space-1); }
.nav__mobile-link {
  display:       flex;
  align-items:   center;
  gap:           var(--space-3);
  padding:       var(--space-3) var(--space-4);
  font-size:     var(--font-size-sm);
  font-weight:   500;
  color:         var(--color-slate-700);
  border-radius: var(--radius-md);
  transition:    background var(--transition-fast);
  background:    none;
  border:        none;
  width:         100%;
  text-align:    left;
  text-decoration: none;
  cursor:        pointer;
}
.nav__mobile-link:hover { background: var(--color-slate-100); text-decoration: none; }
.nav__mobile-link--active { color: var(--color-primary); background: var(--color-blue-50); }
.nav__mobile-link--cta {
  color:       var(--color-primary);
  font-weight: 600;
}
.nav__mobile-logout { color: var(--color-red-600); }
.nav__mobile-logout:hover { background: var(--color-red-50); }
.nav__mobile-divider {
  height:     1px;
  background: var(--color-border);
  margin:     var(--space-2) 0;
}

/* --------------------------------------------------------------------------
   5. Flash Messages
   -------------------------------------------------------------------------- */
.flash-container {
  position: sticky;
  top:      var(--nav-height);
  z-index:  90;
}

.flash {
  display:      flex;
  align-items:  center;
  gap:          var(--space-3);
  padding:      var(--space-4) var(--space-6);
  font-size:    var(--font-size-sm);
  font-weight:  500;
  border-left:  4px solid transparent;
  animation:    flash-in 0.25s ease;
}
@keyframes flash-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.flash--success {
  background:  var(--color-green-50);
  border-color: var(--color-green-500);
  color:       var(--color-green-600);
}
.flash--error {
  background:  var(--color-red-50);
  border-color: var(--color-red-500);
  color:       var(--color-red-600);
}
.flash--info {
  background:  var(--color-blue-50);
  border-color: var(--color-blue-500);
  color:       var(--color-blue-600);
}
.flash--warning {
  background:  var(--color-amber-50);
  border-color: var(--color-amber-500);
  color:       var(--color-amber-600);
}

.flash__icon { flex-shrink: 0; }
.flash__message { flex: 1; }

.flash-dismiss {
  display:       flex;
  align-items:   center;
  justify-content: center;
  margin-left:   auto;
  width:         28px;
  height:        28px;
  background:    none;
  border:        none;
  border-radius: var(--radius-md);
  color:         currentColor;
  opacity:       0.6;
  transition:    opacity var(--transition-fast), background var(--transition-fast);
  flex-shrink:   0;
}
.flash-dismiss:hover { opacity: 1; background: rgba(0,0,0,.06); }

.flash.is-hiding {
  animation: flash-out 0.2s ease forwards;
}
@keyframes flash-out {
  from { opacity: 1; transform: translateY(0); max-height: 100px; }
  to   { opacity: 0; transform: translateY(-6px); max-height: 0; padding-top: 0; padding-bottom: 0; }
}

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display:        inline-flex;
  align-items:    center;
  justify-content: center;
  gap:            var(--space-2);
  padding:        0.5rem 1.125rem;
  font-size:      var(--font-size-sm);
  font-weight:    600;
  line-height:    1.25;
  border:         1.5px solid transparent;
  border-radius:  var(--radius-md);
  cursor:         pointer;
  text-decoration: none;
  transition:     background var(--transition-fast), border-color var(--transition-fast),
                  color var(--transition-fast), box-shadow var(--transition-fast),
                  opacity var(--transition-fast);
  white-space:    nowrap;
  user-select:    none;
  font-family:    inherit;
}
.btn:focus-visible {
  outline:        2px solid var(--color-primary);
  outline-offset: 2px;
}
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor:  not-allowed;
  pointer-events: none;
}

/* Variants */
.btn--primary {
  background:   var(--color-primary);
  border-color: var(--color-primary);
  color:        var(--color-white);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background:   var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
  color: var(--color-white);
}

.btn--outline {
  background:   transparent;
  border-color: var(--color-border);
  color:        var(--color-slate-700);
}
.btn--outline:hover {
  background:   var(--color-slate-50);
  border-color: var(--color-slate-300);
  color:        var(--color-heading);
  text-decoration: none;
}

.btn--danger {
  background:   var(--color-error);
  border-color: var(--color-error);
  color:        var(--color-white);
}
.btn--danger:hover {
  background:   var(--color-red-600);
  border-color: var(--color-red-600);
  color: var(--color-white);
  text-decoration: none;
}

.btn--ghost {
  background:   transparent;
  border-color: transparent;
  color:        var(--color-slate-600);
}
.btn--ghost:hover { background: var(--color-slate-100); text-decoration: none; }

/* Sizes */
.btn--sm {
  padding:     0.3rem 0.75rem;
  font-size:   var(--font-size-xs);
  border-radius: var(--radius-sm);
}
.btn--lg {
  padding:     0.75rem 1.5rem;
  font-size:   var(--font-size-base);
}
.btn--full { width: 100%; }

/* Loading state */
.btn-loading { display: inline-flex; align-items: center; gap: var(--space-2); }

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card {
  background:    var(--color-card);
  border:        1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow:    var(--shadow-card);
  padding:       var(--space-6);
}

.card--table {
  padding: 0;
  overflow: hidden;
}

.card--flush { padding: 0; }

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-5);
}
.form-group:last-child { margin-bottom: 0; }

.form-label {
  display:       flex;
  align-items:   center;
  gap:           var(--space-2);
  margin-bottom: var(--space-2);
  font-size:     var(--font-size-sm);
  font-weight:   600;
  color:         var(--color-slate-700);
}

.form-label-row {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  margin-bottom:   var(--space-2);
}
.form-label-row .form-label { margin-bottom: 0; }

.form-label-hint {
  font-weight: 400;
  color:       var(--color-slate-400);
  font-size:   var(--font-size-xs);
  margin-left: auto;
}

.form-label-link {
  font-size:   var(--font-size-xs);
  font-weight: 500;
  color:       var(--color-primary);
}

.form-input {
  display:       block;
  width:         100%;
  padding:       0.6rem 0.875rem;
  font-size:     var(--font-size-sm);
  font-family:   inherit;
  color:         var(--color-heading);
  background:    var(--color-white);
  border:        1.5px solid var(--color-slate-300);
  border-radius: var(--radius-md);
  transition:    border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance:    none;
  line-height:   1.5;
}
.form-input::placeholder { color: var(--color-slate-400); }
.form-input:hover { border-color: var(--color-slate-400); }
.form-input:focus {
  outline:      none;
  border-color: var(--color-primary);
  box-shadow:   0 0 0 3px rgba(59,130,246,.15);
}
.form-input--error {
  border-color: var(--color-error);
}
.form-input--error:focus {
  border-color: var(--color-error);
  box-shadow:   0 0 0 3px rgba(239,68,68,.12);
}
.form-input--success {
  border-color: var(--color-success);
}

/* Input with icon button (password toggle) */
.form-input-wrap {
  position: relative;
}
.form-input-wrap .form-input { padding-right: 2.75rem; }
.form-input-toggle-pw {
  position:       absolute;
  right:          0.625rem;
  top:            50%;
  transform:      translateY(-50%);
  background:     none;
  border:         none;
  color:          var(--color-slate-400);
  padding:        var(--space-1);
  border-radius:  var(--radius-sm);
  display:        flex;
  align-items:    center;
  transition:     color var(--transition-fast);
}
.form-input-toggle-pw:hover { color: var(--color-slate-600); }

.form-error {
  display:    flex;
  align-items: center;
  gap:         var(--space-1);
  margin-top:  var(--space-2);
  font-size:   var(--font-size-xs);
  color:       var(--color-error);
  font-weight: 500;
}

.form-hint {
  margin-top:  var(--space-2);
  font-size:   var(--font-size-xs);
  color:       var(--color-slate-500);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

/* Checkbox */
.form-group--checkbox .checkbox-label {
  display:     flex;
  align-items: flex-start;
  gap:         var(--space-3);
  cursor:      pointer;
  font-size:   var(--font-size-sm);
  color:       var(--color-text);
  line-height: 1.5;
}
.checkbox-input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.checkbox-custom {
  flex-shrink:   0;
  width:         18px;
  height:        18px;
  border:        1.5px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  background:    var(--color-white);
  display:       flex;
  align-items:   center;
  justify-content: center;
  margin-top:    2px;
  transition:    border-color var(--transition-fast), background var(--transition-fast);
}
.checkbox-input:checked + .checkbox-custom {
  background:    var(--color-primary);
  border-color:  var(--color-primary);
}
.checkbox-input:checked + .checkbox-custom::after {
  content:   '';
  display:   block;
  width:     10px;
  height:    6px;
  border-left:   2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) translateY(-1px);
}
.checkbox-input:focus-visible + .checkbox-custom {
  outline:        2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Form-level alerts */
.form-alert {
  display:       flex;
  align-items:   flex-start;
  gap:           var(--space-3);
  padding:       var(--space-4);
  border-radius: var(--radius-md);
  font-size:     var(--font-size-sm);
  margin-bottom: var(--space-5);
  line-height:   1.5;
}
.form-alert svg { flex-shrink: 0; margin-top: 1px; }
.form-alert--error {
  background:  var(--color-red-50);
  color:       var(--color-red-600);
  border:      1px solid var(--color-red-100);
}
.form-alert--success {
  background:  var(--color-green-50);
  color:       var(--color-green-600);
  border:      1px solid var(--color-green-100);
}
.form-alert--info {
  background:  var(--color-blue-50);
  color:       var(--color-blue-600);
  border:      1px solid var(--color-blue-100);
}
.form-alert__list { list-style: disc; padding-left: var(--space-4); }
.form-alert__list li + li { margin-top: var(--space-1); }

/* Password strength meter */
.password-strength {
  margin-top: var(--space-2);
  display:    flex;
  align-items: center;
  gap:         var(--space-3);
}
.password-strength__bar {
  flex:          1;
  height:        4px;
  background:    var(--color-slate-200);
  border-radius: var(--radius-full);
  overflow:      hidden;
}
.password-strength__fill {
  height:           100%;
  border-radius:    var(--radius-full);
  transition:       width var(--transition-slow), background var(--transition-slow);
  width:            0;
  background:       var(--color-slate-300);
}
.password-strength__fill--weak   { width: 25%; background: var(--color-error); }
.password-strength__fill--fair   { width: 50%; background: var(--color-amber-500); }
.password-strength__fill--good   { width: 75%; background: var(--color-blue-500); }
.password-strength__fill--strong { width: 100%; background: var(--color-success); }
.password-strength__label {
  font-size:   var(--font-size-xs);
  font-weight: 500;
  color:       var(--color-slate-500);
  min-width:   3.5rem;
}

/* --------------------------------------------------------------------------
   9. Badges & Status
   -------------------------------------------------------------------------- */
.badge {
  display:       inline-flex;
  align-items:   center;
  gap:           var(--space-1);
  padding:       0.2em 0.6em;
  font-size:     var(--font-size-xs);
  font-weight:   600;
  border-radius: var(--radius-full);
  line-height:   1.4;
  white-space:   nowrap;
}
.badge--success { background: var(--color-green-100); color: var(--color-green-600); }
.badge--warning { background: var(--color-amber-100); color: var(--color-amber-600); }
.badge--error   { background: var(--color-red-100);   color: var(--color-red-600);   }
.badge--info    { background: var(--color-blue-100);  color: var(--color-blue-600);  }
.badge--neutral { background: var(--color-slate-100); color: var(--color-slate-500); }

/* Expiry badges */
.expiry-badge {
  display:       inline-flex;
  align-items:   center;
  font-size:     var(--font-size-xs);
  font-weight:   500;
  padding:       0.15em 0.5em;
  border-radius: var(--radius-sm);
  margin-left:   var(--space-2);
}
.expiry-badge--ok      { background: var(--color-green-50);  color: var(--color-green-600); }
.expiry-badge--warning { background: var(--color-amber-100); color: var(--color-amber-600); }
.expiry-badge--danger  { background: var(--color-red-100);   color: var(--color-red-600); animation: pulse-danger 2s ease infinite; }
.expiry-badge--neutral { background: var(--color-slate-100); color: var(--color-slate-500); }
@keyframes pulse-danger {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* --------------------------------------------------------------------------
   10. Table
   -------------------------------------------------------------------------- */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table {
  width:           100%;
  border-collapse: collapse;
  font-size:       var(--font-size-sm);
}

.table th {
  padding:      0.75rem 1.25rem;
  text-align:   left;
  font-weight:  600;
  font-size:    var(--font-size-xs);
  color:        var(--color-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background:   var(--color-slate-50);
  border-bottom: 1px solid var(--color-border);
  white-space:  nowrap;
}

.table td {
  padding:       0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  color:         var(--color-text);
  vertical-align: middle;
}

.table__row:last-child td { border-bottom: none; }
.table__row:hover td { background: var(--color-slate-50); }

.table__col--action { text-align: right; }
.table__cell--action { text-align: right; }

.table__cell--name { max-width: 280px; }
.conversion-name { display: flex; flex-direction: column; gap: 2px; }
.conversion-name__text {
  font-weight: 500;
  color: var(--color-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.conversion-name__uuid {
  font-family: var(--font-mono);
  font-size:   var(--font-size-xs);
  color:       var(--color-slate-400);
}

.table__no-action { color: var(--color-slate-300); }
.table__support-link {
  display:    block;
  font-size:  var(--font-size-xs);
  margin-top: var(--space-1);
  color:      var(--color-primary);
}

/* --------------------------------------------------------------------------
   11. Page Header (dashboard / account headings)
   -------------------------------------------------------------------------- */
.page-header {
  display:         flex;
  align-items:     flex-start;
  justify-content: space-between;
  gap:             var(--space-6);
  margin-bottom:   var(--space-8);
  flex-wrap:       wrap;
}

.page-header--simple { margin-bottom: var(--space-8); }

.page-header__title {
  font-size:   var(--font-size-2xl);
  font-weight: 700;
  color:       var(--color-heading);
  line-height: 1.2;
}

.page-header__subtitle {
  margin-top: var(--space-1);
  font-size:  var(--font-size-sm);
  color:      var(--color-slate-500);
}

.page-header__actions { flex-shrink: 0; }

/* --------------------------------------------------------------------------
   12. Empty State
   -------------------------------------------------------------------------- */
.empty-state {
  display:        flex;
  flex-direction: column;
  align-items:    center;
  justify-content: center;
  text-align:     center;
  padding:        var(--space-16) var(--space-8);
  gap:            var(--space-4);
}

.empty-state__icon { margin-bottom: var(--space-2); }

.empty-state__title {
  font-size:   var(--font-size-xl);
  font-weight: 600;
  color:       var(--color-heading);
}

.empty-state__text {
  max-width:   400px;
  color:       var(--color-slate-500);
  font-size:   var(--font-size-sm);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   13. Auth Pages
   -------------------------------------------------------------------------- */
.page-auth .page-main { display: flex; align-items: flex-start; justify-content: center; }

.auth-wrapper {
  display:         flex;
  justify-content: center;
  align-items:     flex-start;
  padding:         var(--space-12) var(--space-6) var(--space-16);
  width:           100%;
}

.auth-card {
  width:     100%;
  max-width: 420px;
}

.auth-card--wide { max-width: 520px; }

.auth-card__header {
  text-align:    center;
  margin-bottom: var(--space-8);
}

.auth-card__icon {
  display:         flex;
  justify-content: center;
  margin-bottom:   var(--space-4);
}

.auth-card__title {
  font-size:   var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.auth-card__subtitle {
  color:     var(--color-slate-500);
  font-size: var(--font-size-sm);
}

.auth-form { display: flex; flex-direction: column; gap: 0; }

.auth-card__footer-text {
  margin-top:  var(--space-6);
  text-align:  center;
  font-size:   var(--font-size-sm);
  color:       var(--color-slate-500);
}

.auth-card__footer-link { font-weight: 600; color: var(--color-primary); }
.auth-card__footer-link:hover { text-decoration: underline; }

.auth-card__actions {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
  margin-top:     var(--space-5);
}

/* --------------------------------------------------------------------------
   14. Spinner
   -------------------------------------------------------------------------- */
.spinner {
  display:       inline-block;
  width:         20px;
  height:        20px;
  border:        2.5px solid rgba(255,255,255,.35);
  border-top-color: rgba(255,255,255,.9);
  border-radius: var(--radius-full);
  animation:     spin 0.7s linear infinite;
  flex-shrink:   0;
}

.spinner--sm { width: 14px; height: 14px; border-width: 2px; }
.spinner--lg { width: 28px; height: 28px; border-width: 3px; }

/* On non-blue backgrounds */
.spinner--dark {
  border-color:     rgba(71,85,105,.2);
  border-top-color: var(--color-primary);
}

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

/* --------------------------------------------------------------------------
   15. Progress Bar
   -------------------------------------------------------------------------- */
.progress-bar {
  width:         100%;
  height:        8px;
  background:    var(--color-slate-200);
  border-radius: var(--radius-full);
  overflow:      hidden;
}

.progress-bar__fill {
  height:           100%;
  background:       linear-gradient(90deg, var(--color-primary), var(--color-blue-400));
  border-radius:    var(--radius-full);
  transition:       width 0.5s ease;
  width:            0;
  position:         relative;
  overflow:         hidden;
}

.progress-bar__fill::after {
  content:    '';
  position:   absolute;
  top:        0; left: -100%; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  animation:  shimmer 1.5s infinite;
}
@keyframes shimmer {
  to { left: 100%; right: -100%; }
}

/* --------------------------------------------------------------------------
   16. Upload Zone
   -------------------------------------------------------------------------- */
.upload-zone {
  border:        2px dashed var(--color-slate-300);
  border-radius: var(--radius-lg);
  padding:       var(--space-12) var(--space-8);
  text-align:    center;
  cursor:        pointer;
  background:    var(--color-white);
  transition:    border-color var(--transition-base), background var(--transition-base);
}
.upload-zone:hover, .upload-zone:focus-within {
  border-color: var(--color-primary);
  background:   var(--color-blue-50);
}
.upload-zone.is-dragging {
  border-color: var(--color-primary);
  background:   var(--color-blue-50);
  box-shadow:   0 0 0 4px rgba(59,130,246,.1);
}

.upload-zone__icon { margin: 0 auto var(--space-4); color: var(--color-slate-400); }
.upload-zone__title { font-size: var(--font-size-lg); font-weight: 600; margin-bottom: var(--space-2); }
.upload-zone__hint { color: var(--color-slate-500); font-size: var(--font-size-sm); }
.upload-zone__or { margin: var(--space-4) 0; color: var(--color-slate-400); font-size: var(--font-size-sm); }

.upload-filename {
  display:       inline-flex;
  align-items:   center;
  gap:           var(--space-2);
  font-size:     var(--font-size-sm);
  color:         var(--color-primary);
  font-weight:   500;
  margin-top:    var(--space-3);
}

/* --------------------------------------------------------------------------
   17. Conversion Log
   -------------------------------------------------------------------------- */
.conversion-log {
  background:    var(--color-slate-900);
  color:         #a3e635;
  font-family:   var(--font-mono);
  font-size:     var(--font-size-xs);
  line-height:   1.8;
  border-radius: var(--radius-md);
  padding:       var(--space-5);
  max-height:    280px;
  overflow-y:    auto;
  white-space:   pre-wrap;
  word-break:    break-all;
}

/* --------------------------------------------------------------------------
   18. Preview Card
   -------------------------------------------------------------------------- */
.preview-card { }
.preview-section { margin-bottom: var(--space-8); }
.preview-section__title {
  font-size:     var(--font-size-base);
  font-weight:   600;
  color:         var(--color-heading);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.color-swatch {
  display:       inline-block;
  width:         20px;
  height:        20px;
  border-radius: var(--radius-sm);
  border:        1px solid rgba(0,0,0,.1);
  vertical-align: middle;
  margin-right:  var(--space-2);
  flex-shrink:   0;
}

.color-row {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
  font-size:   var(--font-size-sm);
  padding:     var(--space-2) 0;
}

/* --------------------------------------------------------------------------
   19. Dashboard extras
   -------------------------------------------------------------------------- */
.dashboard__pricing-note {
  display:     flex;
  align-items: center;
  gap:         var(--space-2);
  margin-top:  var(--space-5);
  font-size:   var(--font-size-xs);
  color:       var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   20. Account Page
   -------------------------------------------------------------------------- */
.account-sections { display: flex; flex-direction: column; gap: var(--space-6); }

.account-section__header {
  display:       flex;
  align-items:   flex-start;
  gap:           var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.account-section__icon {
  flex-shrink:   0;
  width:         40px;
  height:        40px;
  background:    var(--color-blue-50);
  border-radius: var(--radius-md);
  display:       flex;
  align-items:   center;
  justify-content: center;
}

.account-section__title {
  font-size:   var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 2px;
}
.account-section__subtitle { font-size: var(--font-size-sm); color: var(--color-slate-500); }

.account-form { display: flex; flex-direction: column; gap: var(--space-5); }
.account-form__footer { padding-top: var(--space-2); }

/* Account info DL */
.account-info-list { display: flex; flex-direction: column; gap: 0; }
.account-info-item {
  display:       flex;
  justify-content: space-between;
  align-items:   center;
  padding:       var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size:     var(--font-size-sm);
}
.account-info-item:last-child { border-bottom: none; }
.account-info-item__label { color: var(--color-slate-500); font-weight: 500; }
.account-info-item__value { font-weight: 600; color: var(--color-heading); }
.account-info-item__value--success { color: var(--color-green-600); }
.account-info-item__value--error   { color: var(--color-red-600); }

.account-section--info .account-section__header { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.account-section__danger-zone {
  display:      flex;
  align-items:  center;
  justify-content: space-between;
  flex-wrap:    wrap;
  gap:          var(--space-4);
  margin-top:   var(--space-6);
  padding-top:  var(--space-5);
  border-top:   1px solid var(--color-border);
}
.account-section__danger-label {
  font-size:  var(--font-size-sm);
  color:      var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   21. Dev notice (development-only token notice)
   -------------------------------------------------------------------------- */
.dev-notice {
  background:    #1e1b4b;
  border:        1px solid #4338ca;
  border-radius: var(--radius-md);
  padding:       var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  color:         #a5b4fc;
}
.dev-notice__header {
  display:       flex;
  align-items:   center;
  gap:           var(--space-2);
  font-size:     var(--font-size-xs);
  font-weight:   700;
  color:         #c7d2fe;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.dev-notice__body { font-size: var(--font-size-sm); word-break: break-all; }
.dev-notice__link { color: #818cf8; }
.dev-notice__link:hover { color: #a5b4fc; }
.dev-notice__note { margin-top: var(--space-2); font-size: var(--font-size-xs); color: #6366f1; }

/* --------------------------------------------------------------------------
   22. Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background:    var(--color-slate-900);
  color:         var(--color-slate-400);
  padding-top:   var(--space-12);
  margin-top:    auto;
}

.site-footer__inner {
  display:   grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap:       var(--space-8);
  padding-bottom: var(--space-10);
}

.site-footer__logo {
  display:     inline-flex;
  font-size:   var(--font-size-lg);
  font-weight: 700;
  color:       var(--color-white);
  text-decoration: none;
  margin-bottom: var(--space-3);
}
.site-footer__logo:hover { color: var(--color-blue-400); text-decoration: none; }

.site-footer__tagline {
  font-size:   var(--font-size-sm);
  line-height: 1.6;
  max-width:   240px;
}

.site-footer__nav-heading {
  font-size:     var(--font-size-xs);
  font-weight:   700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color:         var(--color-white);
  margin-bottom: var(--space-4);
}

.site-footer__nav-list { display: flex; flex-direction: column; gap: var(--space-3); }

.site-footer__link {
  font-size:   var(--font-size-sm);
  color:       var(--color-slate-400);
  transition:  color var(--transition-fast);
  text-decoration: none;
}
.site-footer__link:hover { color: var(--color-white); text-decoration: none; }

.site-footer__bottom {
  border-top: 1px solid var(--color-slate-800);
}
.site-footer__bottom-inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  flex-wrap:       wrap;
  gap:             var(--space-4);
  padding-top:     var(--space-5);
  padding-bottom:  var(--space-5);
}
.site-footer__copy, .site-footer__legal {
  font-size: var(--font-size-xs);
  color:     var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   23. Utilities
   -------------------------------------------------------------------------- */
.link { color: var(--color-primary); text-decoration: underline; }
.link:hover { color: var(--color-primary-dark); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.text-center   { text-align: center; }
.text-right    { text-align: right; }
.text-muted    { color: var(--color-slate-500); }
.text-sm       { font-size: var(--font-size-sm); }
.text-xs       { font-size: var(--font-size-xs); }
.font-mono     { font-family: var(--font-mono); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.d-none     { display: none !important; }
.d-flex     { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-3      { gap: var(--space-3); }
.gap-4      { gap: var(--space-4); }
.w-full     { width: 100%; }

/* Copy button tooltip */
.copy-tooltip {
  position:      absolute;
  bottom:        calc(100% + 6px);
  left:          50%;
  transform:     translateX(-50%);
  background:    var(--color-slate-900);
  color:         var(--color-white);
  font-size:     var(--font-size-xs);
  padding:       var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  white-space:   nowrap;
  pointer-events: none;
  opacity:       0;
  transition:    opacity var(--transition-fast);
}
.copy-btn { position: relative; }
.copy-btn.is-copied .copy-tooltip { opacity: 1; }

/* --------------------------------------------------------------------------
   24. Responsive — Mobile (max 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Nav */
  .nav__links     { display: none; }
  .nav__mobile-toggle { display: flex; }
  .nav__mobile-menu   { display: block; }

  /* Layout */
  .container { padding-left: var(--space-4); padding-right: var(--space-4); }
  .page-content { padding-top: var(--space-8); padding-bottom: var(--space-12); }

  /* Auth */
  .auth-wrapper { padding: var(--space-8) var(--space-4) var(--space-12); }
  .auth-card, .auth-card--wide { max-width: 100%; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; gap: var(--space-4); }

  /* Page header */
  .page-header {
    flex-direction: column;
    align-items:    flex-start;
    gap:            var(--space-4);
  }
  .page-header__actions { width: 100%; }
  .page-header__actions .btn { width: 100%; justify-content: center; }

  /* Table */
  .table th, .table td { padding: 0.6rem 1rem; }
  .table__cell--type { display: none; } /* hide type on small screens */

  /* Footer */
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8) var(--space-6);
  }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: var(--space-3); }

  /* Account */
  .account-section__header { flex-direction: column; gap: var(--space-3); }
  .account-section__danger-zone { flex-direction: column; align-items: flex-start; }

  /* Cards */
  .card { padding: var(--space-5); }
  .empty-state { padding: var(--space-10) var(--space-5); }
}

@media (max-width: 480px) {
  :root { --font-size-base: 0.9375rem; }

  .auth-card { padding: var(--space-5); }

  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__nav   { grid-template-columns: 1fr 1fr; display: grid; gap: var(--space-6); }

  .table__cell--date { display: none; } /* hide date on very small screens */
}

/* --------------------------------------------------------------------------
   25. Missing base selectors (supplement)
   -------------------------------------------------------------------------- */

/* Footer structural elements not declared above the media queries */
.site-footer__brand {
  display: flex;
  flex-direction: column;
}

.site-footer__nav {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.site-footer__nav-group {
  display: flex;
  flex-direction: column;
  min-width: 120px;
}

/* Page header text wrapper */
.page-header__text {
  flex: 1;
  min-width: 0;
}

/* Button label / loading swap pattern */
.btn-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Secondary button alias */
.btn--secondary {
  background:   var(--color-white);
  border-color: var(--color-border);
  color:        var(--color-slate-700);
}
.btn--secondary:hover {
  background:   var(--color-slate-50);
  border-color: var(--color-slate-300);
  color:        var(--color-heading);
  text-decoration: none;
}

/* text-danger utility (used by JS for error state) */
.text-danger { color: var(--color-red-600); }

/* Password show toggle icon: hide strikethrough SVG by default,
   show when .is-showing is set on the button */
.form-input-toggle-pw .pw-hide-icon { display: none; }
.form-input-toggle-pw.is-showing .pw-show-icon { display: none; }
.form-input-toggle-pw.is-showing .pw-hide-icon { display: block; }