/* ═══════════════════════════════════════════════════════════════
   IOCARD / BOTCARDS — SpaceWeb Ultra-Minimalist Geometric Design System
   Pure Black (#000000) · Neon Lime (#E3FF04) · Strict Geometry (0 Radius)
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ── Global Zero Border-Radius Enforcement ───────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-radius: 0 !important;
}

:root {
  /* ── Color Palette ── */
  --color-primary:     #E3FF04;
  --color-primary-hover: #cde800;
  --color-on-primary:  #000000;
  --color-secondary:   #CCCCCC;
  --color-tertiary:    #222222;
  --color-neutral:     #000000;
  --color-canvas:      #000000;
  --color-surface:     #121212;
  --color-surface-hover: #1a1a1a;
  --color-surface-subtle: #0d0d0d;
  --color-on-surface:  #FFFFFF;
  --color-muted:       #A0A0A0;
  --color-muted-subtle: #707070;
  --color-border:      #222222;
  --color-border-bright: #333333;
  --color-shadow:      rgba(0, 0, 0, 0.8);
  --color-error:       #FF453A;
  --color-success:     #E3FF04;
  --color-warning:     #FFD60A;
  --white:             #FFFFFF;

  /* ── Spacing ── */
  --space-xs:   8px;
  --space-sm:   16px;
  --space-md:   24px;
  --space-lg:   40px;
  --space-xl:   72px;
  --space-gutter: 24px;
  --space-section: 72px;

  /* ── Geometry & Radius (Strictly 0px) ── */
  --radius-none: 0px;
  --radius-sm:   0px;
  --radius-md:   0px;
  --radius-lg:   0px;
  --radius-xl:   0px;
  --radius-full: 0px;

  /* ── Typography & Strict Pro-Scale (UI/UX Pro Max Architecture) ── */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --text-display: clamp(1.875rem, 5vw, 2.75rem);  /* Hero balances & key metrics (30px - 44px) */
  --text-h1:      clamp(1.35rem, 3.5vw, 1.875rem);  /* Page titles (21.6px - 30px) */
  --text-h2:      clamp(1.125rem, 2.6vw, 1.35rem);  /* Section & Group headers (18px - 21.6px) */
  --text-h3:      1.0625rem;                       /* Card headers, Modal titles (17px) */
  --text-body:    0.9375rem;                       /* Standard body copy, inputs, table rows (15px) */
  --text-sm:      0.8125rem;                       /* Badges, Labels, Metadata (13px) */
  --text-xs:      0.75rem;                         /* Micro tags, overlines, currency tickers (12px) */

  /* ── Transitions ── */
  --transition: 0.2s cubic-bezier(0.16, 1, 0.3, 1);

  /* ── Layout Dimensions ── */
  --sidebar-w: 260px;
  --header-h:  68px;

  /* ── Shadows & Glows ── */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.9);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.9);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.95);
  --glow-brand: 0 0 30px rgba(227, 255, 4, 0.15);
}

/* ── Base HTML & Body ────────────────────────────────────────────── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-canvas);
  color: var(--color-on-surface);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--color-on-surface);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
  letter-spacing: -0.01em;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: #000000;
}

/* ── Custom Scrollbars ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #000000;
  border-left: 1px solid var(--color-border);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ── Links & Focus ───────────────────────────────────────────────── */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 1px solid var(--color-primary);
  outline-offset: 1px;
}

img { max-width: 100%; display: block; }

/* ── 40px Geometric Sharp Grid Background ────────────────────────── */
.bg-grid {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
}

.grid-mask {
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.text-gradient-hero {
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.55) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Utilities ──────────────────────────────────────────────────── */
.mono           { font-family: var(--mono); }
.text-brand     { color: var(--color-primary); }
.text-muted     { color: var(--color-muted); }
.text-secondary { color: var(--color-secondary); }
.text-primary   { color: var(--color-primary); }
.text-white     { color: #FFFFFF; }
.text-error     { color: var(--color-error); }
.text-success   { color: var(--color-primary); }
.text-display   { font-size: var(--text-display); }
.text-h1        { font-size: var(--text-h1); }
.text-h2        { font-size: var(--text-h2); }
.text-h3        { font-size: var(--text-h3); }
.text-body      { font-size: var(--text-body); }
.text-sm        { font-size: var(--text-sm); }
.text-xs        { font-size: var(--text-xs); }
.text-center    { text-align: center; }
.text-right     { text-align: right; }
.fw-light       { font-weight: 300; }
.fw-normal      { font-weight: 400; }
.fw-medium      { font-weight: 500; }
.fw-semi        { font-weight: 600; }
.fw-bold        { font-weight: 700; }
.tracking-tight { letter-spacing: -0.02em; }
.tracking-tighter { letter-spacing: -0.04em; }
.tracking-wide  { letter-spacing: 0.04em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase      { text-transform: uppercase; }
.lowercase      { text-transform: lowercase; }

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }

.flex           { display: flex; }
.inline-flex    { display: inline-flex; }
.flex-col       { flex-direction: column; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.justify-between{ justify-content: space-between; }
.justify-center { justify-content: center; }
.w-full         { width: 100%; }
.hidden         { display: none !important; }

/* Section Headings */
.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-size: var(--text-h1);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
  text-transform: lowercase;
  margin-bottom: var(--space-xs);
}

.section-sub {
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-muted);
  max-width: 600px;
  line-height: 1.6;
}

/* ── Cards & Surfaces ───────────────────────────────────────────── */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  transition: border-color var(--transition), background-color var(--transition);
}

.card:hover {
  border-color: var(--color-border-bright);
}

.card-hover:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  min-height: 44px;
  font-family: var(--font);
  font-size: var(--text-body);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-transform: lowercase;
  letter-spacing: -0.01em;
  white-space: nowrap;
  max-width: 100%;
  box-sizing: border-box;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #000000;
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  border-color: var(--color-border);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-on-surface);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-surface);
}

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

.btn-danger:hover {
  background-color: rgba(255, 69, 58, 0.1);
  border-color: var(--color-error);
}

.btn-sm {
  padding: 8px 14px;
  min-height: 38px;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 14px 24px;
  min-height: 48px;
  font-size: var(--text-body);
  font-weight: 700;
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Form Controls & Custom Select ──────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.input, select.input, textarea.input {
  width: 100%;
  padding: 12px 14px;
  min-height: 44px;
  font-family: var(--font);
  font-size: var(--text-body);
  color: var(--color-on-surface);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus, select.input:focus, textarea.input:focus {
  border-color: var(--color-primary);
  background-color: var(--color-surface-subtle);
  outline: none;
}

.input::placeholder, textarea.input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

/* Custom Select with SVG Neon Lime Arrow */
select.input, select.custom-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23E3FF04' stroke-linecap='square' stroke-linejoin='miter' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 1rem center;
  background-repeat: no-repeat;
  background-size: 1.25rem 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

select option {
  background-color: var(--color-surface);
  color: #FFFFFF;
}

.input-group {
  display: flex;
  width: 100%;
}

.input-group .input {
  flex: 1;
  border-right: none;
}

.input-group .btn {
  border: 1px solid var(--color-border);
}

/* ── Tables & Data Grids ────────────────────────────────────────── */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-body);
}

.data-table th {
  background-color: var(--color-canvas);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table th:last-child {
  border-right: none;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  color: var(--color-on-surface);
  transition: background-color var(--transition);
  font-size: var(--text-body);
}

.data-table td:last-child {
  border-right: none;
}

.data-table tbody tr:hover td {
  background-color: var(--color-surface-hover);
}

/* ── Badges & Status Pills ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--mono);
  border: 1px solid transparent;
}

.badge-green, .badge-active, .badge-success {
  background-color: rgba(227, 255, 4, 0.08);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.badge-amber, .badge-pending, .badge-warning {
  background-color: rgba(255, 214, 10, 0.08);
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.badge-red, .badge-error, .badge-danger {
  background-color: rgba(255, 69, 58, 0.08);
  color: var(--color-error);
  border-color: var(--color-error);
}

.badge-white, .badge-default {
  background-color: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  border-color: var(--color-border-bright);
}

/* ── Alerts & Feedback Boxes ────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: var(--text-body);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.alert-error {
  border-color: var(--color-error);
  background-color: rgba(255, 69, 58, 0.08);
  color: #FFFFFF;
}

.alert-success {
  border-color: var(--color-primary);
  background-color: rgba(227, 255, 4, 0.08);
  color: #FFFFFF;
}

.alert-info {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  color: #FFFFFF;
}

/* ── Top Header Navigation ──────────────────────────────────────── */
.top-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-gutter);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-brand {
  font-size: var(--text-h2);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-brand span {
  color: var(--color-primary);
}

.burger-btn {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: #FFFFFF;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.burger-btn span {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: #FFFFFF;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-balance {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 6px 6px 14px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
}

.header-balance:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

.header-balance-amount {
  font-family: var(--mono);
  font-weight: 700;
  font-size: var(--text-body);
  color: var(--color-primary);
}

.header-balance-plus {
  display: none;
  font-size: 1.15rem;
  color: var(--color-primary);
  line-height: 1;
}

.header-profile-wrap {
  position: relative;
}

.header-avatar {
  width: 40px;
  height: 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-body);
  cursor: pointer;
  transition: border-color var(--transition);
}

.header-avatar:hover {
  border-color: var(--color-primary);
}

.header-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 240px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  z-index: 60;
}

.header-dropdown.active {
  display: flex;
}

.dropdown-info {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}

.dropdown-item {
  padding: 12px 16px;
  font-size: var(--text-body);
  color: var(--color-secondary);
  transition: background-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.dropdown-item:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-primary);
}

.dropdown-item.text-red {
  color: var(--color-error);
}

/* ── Sidebar Navigation ─────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--header-h));
  background-color: #080808;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 40;
  overflow-y: auto;
}

.sidebar-nav {
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-header-mobile {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 8px 6px 16px 6px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 8px;
}

.sidebar-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  color: var(--color-muted);
}

.sidebar-close-btn:hover {
  color: #FFFFFF;
}

.sidebar-section {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  padding: 16px 10px 8px 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-muted);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.nav-item:hover {
  background-color: var(--color-surface);
  color: #FFFFFF;
  border-color: var(--color-border);
}

.nav-item.active {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border);
  border-left: 2px solid var(--color-primary);
  font-weight: 600;
}

.nav-icon-svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.75;
  color: currentColor;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-canvas);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* ── Main Layout Container ──────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  padding: 36px var(--space-gutter) 80px var(--space-gutter);
  min-height: calc(100vh - var(--header-h));
  background-color: var(--color-canvas);
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: var(--text-h1);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  text-transform: lowercase;
}

/* ── Dashboard & Statistics Grid ────────────────────────────────── */
.balance-hero {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.balance-hero::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(227, 255, 4, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.balance-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.balance-amount {
  font-size: var(--text-display);
  font-weight: 800;
  font-family: var(--mono);
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.balance-actions {
  display: flex;
  gap: 12px;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 22px;
}

.stat-value {
  font-size: var(--text-h1);
  font-weight: 700;
  font-family: var(--mono);
  color: #FFFFFF;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  line-height: 1.1;
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

/* ── Virtual Card Visual Component ──────────────────────────────── */
.virtual-card-box {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1.586;
  background: linear-gradient(135deg, #141414 0%, #080808 100%);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.virtual-card-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-chip-icon {
  width: 36px;
  height: 26px;
  background: #222222;
  border: 1px solid #333333;
  position: relative;
}

.card-chip-icon::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border: 1px solid rgba(227, 255, 4, 0.4);
}

.card-brand-logo {
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.card-number-row {
  font-family: var(--mono);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.card-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.card-holder-name {
  text-transform: uppercase;
  color: #FFFFFF;
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ── Auth Pages (Login & Register) ──────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  background-color: #000000;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.auth-logo h1 span {
  color: var(--color-primary);
}

.auth-logo p {
  font-size: 0.875rem;
  color: var(--color-muted);
  font-weight: 300;
}

.auth-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ── Landing Page Styles ────────────────────────────────────────── */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  height: var(--header-h);
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
  display: flex;
  align-items: center;
  padding: 0 5%;
  overflow: hidden;
}

.landing-nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.landing-nav .brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  flex-shrink: 0;
}

.landing-nav .brand span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.landing-nav-actions {
  display: none;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.landing-burger-btn {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: #FFFFFF;
  width: 38px;
  height: 38px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.landing-burger-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.landing-mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  height: calc(100vh - var(--header-h));
  height: calc(100dvh - var(--header-h));
  background-color: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 49;
  padding: 24px 16px;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
}

.landing-mobile-menu.menu-open {
  display: flex !important;
}

.landing-mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  text-transform: lowercase;
  transition: color var(--transition);
}

.landing-mobile-link:hover, .landing-mobile-link:active {
  color: var(--color-primary);
}

.landing-main {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 130px 16px 70px 16px;
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  contain: paint;
  isolation: isolate;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(380px, 70vw);
  height: min(380px, 70vw);
  background: rgba(227, 255, 4, 0.08);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  max-width: 900px;
  position: relative;
  z-index: 10;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  max-width: 100%;
  box-sizing: border-box;
}

.hero-badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  flex-shrink: 0;
}

.hero-badge-text {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  white-space: normal;
  text-align: center;
  word-break: break-word;
}

.hero-title {
  font-size: var(--text-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 20px;
  color: #FFFFFF;
  text-transform: lowercase;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto 36px auto;
  word-break: break-word;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  width: 100%;
}

.section {
  padding: var(--space-section) 5%;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-h) + 10px);
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 8px;
  width: 100%;
  box-sizing: border-box;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.feature-card, .step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  transition: all var(--transition);
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.feature-card:hover, .step-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}

.step-num {
  font-family: var(--mono);
  font-size: var(--text-h1);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1;
}

.feature-card h3, .step-card h3 {
  font-size: var(--text-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 10px;
  text-transform: lowercase;
  word-break: break-word;
}

.feature-card p, .step-card p {
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.6;
  word-break: break-word;
}

/* ── Metrics Grid ── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.metric-box {
  background: var(--color-surface);
  padding: 32px 16px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.metric-val {
  font-size: var(--text-display);
  font-weight: 800;
  font-family: var(--mono);
  color: var(--color-primary);
  letter-spacing: -0.04em;
  margin-bottom: 6px;
  line-height: 1.1;
  word-break: break-word;
}

.metric-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  word-break: break-word;
}

.landing-cta {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 60px 32px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.landing-cta h2 {
  font-size: var(--text-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 12px;
  text-transform: lowercase;
  word-break: break-word;
}

.landing-cta p {
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--color-muted);
  margin-bottom: 28px;
  word-break: break-word;
  line-height: 1.6;
}

.landing-footer {
  padding: 40px 5%;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-muted);
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.landing-footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  flex-wrap: wrap;
  gap: 16px;
  box-sizing: border-box;
}

.landing-footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.landing-footer-links {
  display: flex;
  gap: 20px;
  color: #888888;
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

/* ── Landing Page Responsive Breakpoints ────────────────────────── */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .landing-nav {
    padding: 0 16px;
  }

  .nav-links {
    display: none;
  }

  .landing-nav-actions {
    display: flex;
  }

  .landing-burger-btn {
    display: flex;
  }

  .hero {
    padding: 100px 16px 40px 16px;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(1.85rem, 7.5vw, 3rem);
    margin-bottom: 16px;
  }

  .hero-sub {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }

  .section {
    padding: 48px 16px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-box {
    padding: 20px 10px;
  }

  .metric-val {
    font-size: clamp(1.4rem, 5vw, 1.85rem);
  }

  .metric-label {
    font-size: 0.625rem;
    letter-spacing: 0.08em;
  }

  .landing-footer-container {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .landing-footer-brand {
    justify-content: center;
  }

  .landing-footer-links {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 14px 16px;
    white-space: normal;
    word-break: break-word;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-card, .step-card {
    padding: 22px 16px;
  }

  .landing-cta {
    padding: 32px 14px;
  }

  .landing-cta h2 {
    font-size: 1.5rem;
  }

  .landing-cta p {
    font-size: 0.85rem;
    margin-bottom: 18px;
  }

  .landing-cta .btn {
    width: 100%;
    padding: 14px 16px;
    white-space: normal;
    word-break: break-word;
  }

  .hero-badge-text {
    font-size: 0.6875rem;
  }
}

@media (max-width: 380px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .metric-box {
    padding: 16px 10px;
  }

  .metric-val {
    font-size: 1.5rem;
  }
}

/* ── Toast Notifications ────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 14px 20px;
  color: #FFFFFF;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 280px;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.toast-close {
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.toast-close:hover {
  color: #FFFFFF;
}

/* ── Global Loader ──────────────────────────────────────────────── */
#global-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

#global-loader.active {
  display: flex;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(227, 255, 4, 0.2);
  border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
}

.loader-text {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
}

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

@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ── Mobile Bottom Dock (Strictly for mobile & tablets <=900px) ── */
.mobile-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  min-height: 56px;
  height: auto;
  background-color: rgba(0, 0, 0, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-border);
  z-index: 60;
  align-items: stretch;
  justify-content: center;
  padding: 4px 0 calc(6px + env(safe-area-inset-bottom, 0px)) 0;
  box-sizing: border-box;
}

.dock-item {
  flex: 1 1 0;
  width: 25%;
  max-width: 25%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-muted);
  padding: 10px 0;
  text-decoration: none;
  transition: color var(--transition);
  box-sizing: border-box;
  position: relative;
}

.dock-item iconify-icon, .dock-item svg {
  font-size: 1.65rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color var(--transition);
}

.dock-item:hover iconify-icon, .dock-item:active iconify-icon {
  color: var(--color-primary);
  transform: scale(1.15);
}

.dock-item.active {
  color: var(--color-primary);
}

.dock-item.active iconify-icon {
  color: var(--color-primary);
}

.dock-item.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 28%;
  right: 28%;
  height: 2px;
  background-color: var(--color-primary);
}

/* Gesture Navigation Enhancement (e.g. iOS Home Indicator / Android Gesture Bar) */
.has-gesture-nav .mobile-dock {
  padding-top: 6px;
  padding-bottom: max(22px, calc(8px + env(safe-area-inset-bottom, 16px)));
}

.has-gesture-nav .main {
  padding-bottom: max(100px, calc(85px + env(safe-area-inset-bottom, 18px))) !important;
}

/* ── Breadcrumbs & Grids ────────────────────────────────────────── */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-primary);
  font-weight: 600;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
  width: 100%;
  box-sizing: border-box;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  width: 100%;
  box-sizing: border-box;
}

.info-card, .settings-card, .action-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-body);
  gap: 12px;
}

.info-row:last-child {
  border-bottom: none;
}

.info-key, .info-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.info-val, .info-value {
  color: #FFFFFF;
  font-weight: 500;
  word-break: break-word;
  font-size: var(--text-body);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
  width: 100%;
  box-sizing: border-box;
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  width: 100%;
}

.filter-btn {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 8px 14px;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 38px;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: #000000;
  border-color: var(--color-primary);
}

/* ── Responsive Queries for App & Admin ─────────────────────────── */
@media (max-width: 900px) {
  :root {
    --header-h: 62px;
  }

  .top-header {
    padding: 0 20px;
    height: var(--header-h);
  }

  .header-left {
    gap: 12px;
  }

  .header-brand {
    font-size: 1.2rem;
  }

  .header-balance .btn {
    display: none !important;
  }

  .header-balance {
    padding: 7px 12px;
    font-size: var(--text-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-color: var(--color-border);
  }

  .header-balance-plus {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
  }

  .header-balance:active {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
    transform: scale(0.97);
  }

  .burger-btn {
    display: none !important;
  }

  .sidebar {
    display: none !important;
  }

  .sidebar-header-mobile,
  .sidebar-overlay {
    display: none !important;
  }

  body.sidebar-open .sidebar-overlay {
    display: none !important;
  }

  .main {
    margin-left: 0;
    margin-top: var(--header-h);
    padding: 28px 20px 95px 20px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .mobile-dock {
    display: flex !important;
  }

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (min-width: 901px) {
  .mobile-dock,
  .has-gesture-nav .mobile-dock {
    display: none !important;
  }
}

@media (max-width: 700px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 20px;
    margin-bottom: 24px;
  }

  .page-header h1 {
    font-size: var(--text-h1);
    line-height: 1.15;
    margin: 0;
  }

  .page-header > div:first-child {
    width: 100%;
  }

  .page-header > div:last-child,
  .page-header > a.btn {
    width: 100%;
  }

  .page-header .btn {
    width: 100%;
    justify-content: center;
  }

  .balance-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 20px;
    margin-bottom: 24px;
  }

  .balance-label {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
  }

  .balance-amount {
    font-size: var(--text-display);
    line-height: 1.05;
  }

  .balance-actions {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }

  .balance-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 13px 16px;
    font-size: var(--text-body);
    font-weight: 700;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
  }

  .stat-card {
    padding: 16px 14px;
  }

  .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--mono);
    line-height: 1.1;
    margin-bottom: 4px;
  }

  .stat-label {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
  }
}

@media (max-width: 540px) {
  .main {
    padding: 24px 18px 90px 18px;
  }

  .page-header {
    gap: 12px;
    padding-bottom: 16px;
    margin-bottom: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
  }

  .cards-grid, .profile-grid, .settings-grid, .actions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 20px 18px;
    margin-bottom: 20px;
  }

  .virtual-card-box {
    padding: 20px 18px;
    margin-bottom: 20px;
  }

  .card-number-row {
    font-size: clamp(0.95rem, 4.2vw, 1.2rem);
    letter-spacing: 0.08em;
  }

  .input, select.input, textarea.input {
    font-size: 1rem; /* 16px to prevent iOS auto-zoom */
    padding: 13px 14px;
    min-height: 48px;
  }

  .btn {
    min-height: 46px;
    font-size: var(--text-body);
    font-weight: 700;
    padding: 12px 16px;
  }

  .input-group {
    flex-direction: column;
    gap: 10px;
  }

  .input-group .input {
    border-right: 1px solid var(--color-border) !important;
  }

  .input-group .btn {
    width: 100%;
    justify-content: center;
  }

  .filter-group {
    gap: 8px;
  }

  .filter-btn, .filter-group .btn {
    flex: 1 1 calc(50% - 6px);
    text-align: center;
    justify-content: center;
    padding: 10px 8px;
    font-size: var(--text-sm);
  }

  .info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 0;
  }
}