/* ============================================================
   VIES SaaS — Design System
   Modern SaaS style. Inter font, navy-blue palette.
   Drop-in replacement for PicoCSS classless approach.
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---------- Custom properties ---------- */
:root {
  /* Palette — EU institutional blue + warm neutrals */
  --color-bg:          #f8f9fb;
  --color-surface:     #ffffff;
  --color-surface-alt: #f1f3f7;
  --color-border:      #e2e5eb;
  --color-border-focus:#2563eb;
  --color-text:        #111827;
  --color-text-muted:  #6b7280;
  --color-text-faint:  #9ca3af;
  --color-primary:     #2563eb;
  --color-primary-hover:#1d4ed8;
  --color-primary-fg:  #ffffff;
  --color-success:     #059669;
  --color-success-bg:  #ecfdf5;
  --color-error:       #dc2626;
  --color-error-bg:    #fef2f2;
  --color-warning:     #d97706;
  --color-warning-bg:  #fffbeb;
  --color-accent:      #7c3aed;

  /* Layout */
  --container-max:     1080px;
  --container-narrow:  520px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,.04);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.07);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.10);

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

  /* Transitions */
  --ease: cubic-bezier(.16,1,.3,1);
  --duration: 180ms;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;        /* 15px */
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1,h2,h3,h4,h5,h6 { line-height: 1.25; font-weight: 700; color: var(--color-text); }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

p { max-width: 65ch; }

::selection { background: rgba(37,99,235,.15); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

main {
  flex: 1;
  padding-block: 2rem 4rem;
}

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Navbar ---------- */
.navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text);
  text-decoration: none;
}

.navbar-brand:hover { text-decoration: none; }

.navbar-brand svg { flex-shrink: 0; }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.navbar-links a,
.navbar-links span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
  text-decoration: none;
}

.navbar-links a:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
  text-decoration: none;
}

.navbar-links a.btn-primary {
  color: var(--color-primary-fg);
  background: var(--color-primary);
}

.navbar-links a.btn-primary:hover {
  color: var(--color-primary-fg);
  background: var(--color-primary-hover);
}

.navbar-links .user-email {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: 0.375rem 0.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.625rem 1.125rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-fg);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-text-faint);
}

.btn-secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-border);
}

.btn-danger {
  background: transparent;
  color: var(--color-error);
  border-color: var(--color-border);
}
.btn-danger:hover {
  background: var(--color-error-bg);
  border-color: var(--color-error);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.4375rem 0.875rem;
}

.btn-lg {
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
}

.btn-block { width: 100%; }

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.card-header {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.card-header h3 {
  margin: 0;
}

.card-muted {
  opacity: 0.55;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #1a2744 100%);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem 2.5rem;
  color: #ffffff;
  margin-bottom: 2rem;
}

.hero h1 {
  color: #ffffff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  color: rgba(255,255,255,.75);
  font-size: 1.0625rem;
  margin-bottom: 1.5rem;
  max-width: 48ch;
}

/* ---------- Search / Check form ---------- */
.check-form {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.check-form input[type="text"] {
  flex: 1;
  min-width: 0;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 2px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.1);
  color: #fff;
  outline: none;
  transition: border-color var(--duration) var(--ease);
}

.check-form input[type="text"]::placeholder {
  color: rgba(255,255,255,.45);
}

.check-form input[type="text"]:focus {
  border-color: rgba(255,255,255,.5);
}

.check-form .btn-check {
  background: #ffffff;
  color: #1e3a5f;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--duration) var(--ease);
  white-space: nowrap;
}

.check-form .btn-check:hover {
  background: #e8ecf1;
}

/* Check form inside card (logged-in state) */
.check-form-inline {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

.check-form-inline input[type="text"] {
  flex: 1;
  min-width: 0;
  font-size: 0.9375rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--duration) var(--ease);
}

.check-form-inline input[type="text"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.check-form-inline input[type="text"]::placeholder {
  color: var(--color-text-faint);
}

/* HTMX indicator */
.htmx-indicator {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding-top: 0.5rem;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-block;
}

/* ---------- Check result ---------- */
.check-result {
  margin-top: 1rem;
}

.result-card {
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.result-card.valid {
  background: var(--color-success-bg);
  border: 1px solid #a7f3d0;
}

.result-card.invalid {
  background: var(--color-error-bg);
  border: 1px solid #fecaca;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.result-header.valid { color: var(--color-success); }
.result-header.invalid { color: var(--color-error); }

/* ---------- Forms ---------- */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-faint);
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 0.625rem 0.75rem;
  border-bottom: 2px solid var(--color-border);
  background: var(--color-surface-alt);
}

tbody td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--color-surface-alt); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-full);
}

.badge-valid {
  background: #dcfce7;
  color: #166534;
}

.badge-invalid {
  background: #fee2e2;
  color: #991b1b;
}

.badge-active {
  background: #dcfce7;
  color: #166534;
}

.badge-cancelled {
  background: #fee2e2;
  color: #991b1b;
}

/* ---------- Progress ---------- */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s var(--ease);
}

.progress-bar-fill.warn {
  background: var(--color-warning);
}

.progress-bar-fill.danger {
  background: var(--color-error);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ---------- Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid #fecaca;
}

.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid #fde68a;
}

.alert-info {
  background: #eff6ff;
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
}

/* ---------- Features ---------- */
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.feature-card:hover {
  border-color: var(--color-text-faint);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.375rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Pricing ---------- */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.pricing-tier {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.pricing-price small {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features {
  list-style: none;
  margin-bottom: 1.5rem;
  flex: 1;
}

.pricing-features li {
  font-size: 0.875rem;
  color: var(--color-text);
  padding: 0.375rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.pricing-features li.disabled {
  color: var(--color-text-faint);
  text-decoration: line-through;
}

.pricing-features li.disabled::before {
  content: "—";
  color: var(--color-text-faint);
}

/* ---------- FAQ / Accordion ---------- */
.faq-section {
  margin-top: 3rem;
}

.faq-section h2 {
  margin-bottom: 1.25rem;
}

details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  background: var(--color-surface);
}

details + details { margin-top: 0; }

summary {
  padding: 0.875rem 1rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-text-muted);
  transition: transform var(--duration) var(--ease);
}

details[open] summary::after {
  content: "−";
}

details p {
  padding: 0 1rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- Auth pages ---------- */
.auth-card {
  max-width: 420px;
  margin: 2rem auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.auth-card h2 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.auth-card .btn { width: 100%; }

.auth-divider {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-faint);
  margin: 1.25rem 0;
  position: relative;
}

.auth-divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--color-border);
}

.auth-divider span {
  background: var(--color-surface);
  padding: 0 0.75rem;
  position: relative;
}

.auth-footer {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ---------- CTA / Upgrade ---------- */
.upgrade-banner {
  background: linear-gradient(135deg, #eff6ff 0%, #f0f4ff 100%);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.upgrade-banner p {
  font-size: 0.875rem;
  color: var(--color-text);
  margin: 0;
}

.upgrade-banner strong {
  color: var(--color-primary);
}

/* ---------- DL / Profile info ---------- */
dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.375rem 1.5rem;
  font-size: 0.875rem;
}

dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

dd {
  color: var(--color-text);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}

.footer-col strong {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.25rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--duration) var(--ease);
}

.footer-col a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.footer-bottom {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

/* ---------- Telegram CTA ---------- */
.telegram-cta {
  margin-top: 2.5rem;
}

.telegram-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.telegram-cta-inner:hover {
  border-color: #26A5E4;
  box-shadow: 0 0 0 1px rgba(38, 165, 228, .15);
}

.telegram-cta-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.telegram-cta-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e8f4fd;
  border-radius: var(--radius-sm);
  color: #26A5E4;
  flex-shrink: 0;
}

.telegram-cta-content strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 0.125rem;
}

.telegram-cta-content p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

.btn-telegram {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  background: #26A5E4;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn-telegram:hover {
  background: #1e8fc9;
  text-decoration: none;
  color: #ffffff;
}

.btn-telegram svg {
  display: inline-block;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .telegram-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .btn-telegram {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- Section spacing ---------- */
.section {
  margin-top: 2.5rem;
}

.section h2 {
  margin-bottom: 1rem;
}

/* ---------- Text helpers ---------- */
.text-center { text-align: center; }
.text-sm { font-size: 0.8125rem; }
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-primary { color: var(--color-primary); }
.font-semibold { font-weight: 600; }
.font-mono { font-family: var(--font-mono); }

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Gap */
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

/* Overflow */
.overflow-x-auto { overflow-x: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero { padding: 2rem 1.5rem 1.75rem; }
  .hero h1 { font-size: 1.5rem; }
  .check-form { flex-direction: column; }
  h1 { font-size: 1.5rem; }
  .auth-card { margin: 1rem auto; padding: 1.5rem; }
  .pricing-card { padding: 1.25rem; }
}

/* ---------- Dashboard Tabs ---------- */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.tab-bar a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.tab-bar a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.tab-bar a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- Upload Zone ---------- */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.04);
}

.upload-zone p {
  margin-inline: auto;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.upload-zone .upload-icon {
  color: var(--color-text-faint);
  margin-bottom: 0.5rem;
}

/* ---------- Bulk Row States ---------- */
.badge-pending {
  background: #f3f4f6;
  color: #6b7280;
}

.badge-processing {
  background: #eff6ff;
  color: #2563eb;
  animation: pulse-bg 1.5s ease-in-out infinite;
}

@keyframes pulse-bg {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.badge-failed {
  background: #fef2f2;
  color: #dc2626;
}

/* ---------- Notification Badge ---------- */
.notification-badge {
  position: relative;
}

.notification-badge .badge-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--color-error);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

/* ---------- Alert Dropdown ---------- */
.alert-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 320px;
  max-height: 360px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: none;
}

.alert-dropdown.open {
  display: block;
}

.alert-dropdown-item {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.alert-dropdown-item:last-child {
  border-bottom: none;
}

.alert-dropdown-item.unread {
  background: #eff6ff;
}

.alert-dropdown-item .alert-vat {
  font-weight: 600;
  font-family: var(--font-mono);
}

.alert-dropdown-item .alert-time {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  margin-top: 0.25rem;
}

/* ---------- Filter Group ---------- */
.filter-group {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1rem;
}

.filter-btn {
  font-size: 0.875rem;
  font-weight: 400;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: none;
  cursor: pointer;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
  border-right: 1px solid var(--color-border);
}

.filter-btn:last-child {
  border-right: none;
}

.filter-btn:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-primary-fg);
}

/* ---------- Checkbox in table ---------- */
.table-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ---------- Divider (OR) ---------- */
.input-divider {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin: 1rem 0;
}