:root {
  --bg: #0f1115;
  --bg-soft: #151923;
  --bg-panel: #1a1f2a;
  --bg-card: #1f2532;
  --border: #2a3242;
  --text: #e8ecf2;
  --text-muted: #9aa7bd;
  --text-dim: #7c889e;
  --accent: #e0a526;
  --accent-2: #51c2b2;
  --danger: #e05353;
  --ok: #52d38a;
  --warn: #f2b84b;
  --shadow: 0 24px 60px rgba(6, 8, 16, 0.35);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --gap: 20px;
  --font-ui: 'IBM Plex Sans', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;

  /* ── Spacing ─────────────────────────────────────────────── */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;

  /* ── Typography ──────────────────────────────────────────── */
  --font-xs:   11px;
  --font-sm:   12px;
  --font-base: 13px;
  --font-md:   14px;
  --font-lg:   16px;
  --font-xl:   20px;

  --line-tight:   1.3;
  --line-base:    1.4;
  --line-relaxed: 1.5;

  /* ── Transitions ─────────────────────────────────────────── */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -20%, rgba(81, 194, 178, 0.2), transparent 70%),
    radial-gradient(900px 520px at 90% 10%, rgba(224, 165, 38, 0.18), transparent 60%),
    linear-gradient(160deg, #0e1016 0%, #121826 60%, #0f1115 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 var(--space-md);
}

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 28px 24px;
  background: rgba(15, 18, 26, 0.9);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.brand .logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: conic-gradient(from 230deg, var(--accent), var(--accent-2), #5361ff, var(--accent));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.brand h1 {
  font-size: var(--font-xl);
  margin: 0;
}

.nav {
  display: grid;
  gap: var(--space-sm);
}

.nav button {
  width: 100%;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: var(--space-md) 14px;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-base), background var(--transition-base), border-color var(--transition-base);
  font-size: var(--font-md);
  font-family: var(--font-ui);
}

.nav button.active,
.nav button:hover {
  color: var(--text);
  background: rgba(81, 194, 178, 0.08);
  border-color: rgba(81, 194, 178, 0.2);
}

.sidebar .meta {
  margin-top: 28px;
  color: var(--text-dim);
  font-size: var(--font-sm);
}

.main {
  padding: var(--space-2xl) 40px;
  max-width: 100%;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.topbar .status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-base);
  color: var(--text-muted);
  flex-wrap: wrap;
}

.balance-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(81,194,178,0.14), rgba(224,165,38,0.14)),
    rgba(255,255,255,0.04);
  border: 1px solid rgba(81,194,178,0.22);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.balance-chip__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.balance-chip__value {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1;
  color: #f3f7fb;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.chip.ok { color: var(--ok); background: rgba(82, 211, 138, 0.1); }
.chip.warn { color: var(--warn); background: rgba(242, 184, 75, 0.14); }
.chip.danger { color: var(--danger); background: rgba(224, 83, 83, 0.14); }

.section {
  display: none;
}

.section.active {
  display: block;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color var(--transition-base);
  max-width: 100%;
  overflow: hidden;
}

.account-shell {
  display: grid;
  gap: 22px;
  max-width: 100%;
}

.account-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 100%;
}

.account-finance-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
  max-width: 100%;
}

.account-rail {
  display: grid;
  gap: 20px;
  max-width: 100%;
}

.account-panel {
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)),
    rgba(31, 37, 50, 0.94);
  max-width: 100%;
  overflow: hidden;
}

.account-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.account-panel__header h3 {
  margin: 0;
}

.account-panel__header--stacked {
  display: grid;
  gap: 10px;
}

.account-panel__header--stacked p {
  max-width: 100%;
  color: var(--text-muted);
  margin: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.account-kicker {
  margin-bottom: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.account-summary {
  display: grid;
  gap: 14px;
}

.account-summary__hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 16px;
  background:
    radial-gradient(100% 160% at 0% 0%, rgba(81,194,178,0.12), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
}

.account-summary__eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.account-summary__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.02;
}

.account-summary__subtitle {
  margin: 8px 0 0;
  color: var(--text-muted);
}

.account-summary__badge {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(224,165,38,0.18);
  background: rgba(255,255,255,0.04);
  color: #fff0c4;
  font-family: var(--font-display);
  font-size: 15px;
  white-space: nowrap;
}

.account-summary__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.account-summary__item {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.07);
}

.account-summary__label {
  margin: 0 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.account-summary__value {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  line-height: 1.4;
  word-break: break-word;
}

.account-summary__value--emphasis {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: #fff4d6;
}

.account-summary__value--status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.account-summary__dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--text-dim);
  box-shadow: 0 0 0 6px rgba(255,255,255,0.03);
}

.account-summary__dot.is-active {
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(82,211,138,0.12);
}

.account-summary__dot.is-warn {
  background: var(--warn);
  box-shadow: 0 0 0 6px rgba(242,184,75,0.12);
}

.account-summary__dot.is-danger {
  background: var(--danger);
  box-shadow: 0 0 0 6px rgba(224,83,83,0.12);
}

.grid {
  display: grid;
  gap: var(--gap);
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: var(--space-sm);
  font-size: var(--font-base);
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 14px;
  font-size: var(--font-md);
  font-family: var(--font-ui);
  outline: none;
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field input::placeholder,
.field select::placeholder,
.field textarea::placeholder {
  color: var(--text-dim);
  opacity: 1;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent-2);
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.field textarea { resize: vertical; min-height: 90px; }

/* Inputs/selects used outside .field blocks */
.sidebar .meta select,
.row > input,
.row > select {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: var(--font-md);
  font-family: var(--font-ui);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sidebar .meta select:focus,
.row > input:focus,
.row > select:focus {
  border-color: var(--accent-2);
}

.sidebar .meta select:focus-visible,
.row > input:focus-visible,
.row > select:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.row > input::placeholder {
  color: var(--text-dim);
  opacity: 1;
}

.sidebar .meta select option,
.row > select option,
.field select option {
  background: var(--bg-panel);
  color: var(--text);
}

.row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Checkbox Lines ──────────────────────────────────────── */
.check-line {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
  font-size: var(--font-base);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.check-line:hover {
  color: var(--text);
}

.check-line input[type="checkbox"] {
  margin-top: 2px;
  cursor: pointer;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--accent-2);
}

.check-line span {
  flex: 1;
  line-height: var(--line-relaxed);
}

button.primary {
  background: linear-gradient(120deg, var(--accent), #f4c45c);
  color: #151515;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-weight: 600;
  font-family: var(--font-ui);
  font-size: var(--font-md);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  line-height: 1.2;
  min-height: 44px;
}

button.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(224, 165, 38, 0.24); }
button.primary:active { transform: translateY(0); }

/* Standalone buttons inside cards fill full width; buttons inside .row stay auto */
.card > button.primary,
.card > button.ghost {
  width: 100%;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: var(--font-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  line-height: 1.2;
  min-height: 44px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

button.ghost:hover {
  border-color: var(--accent-2);
  transform: translateY(-1px);
}

button.ghost:active {
  transform: translateY(0);
}

.button-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
}

.button-link.ghost {
  background: transparent;
}

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

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: var(--font-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.badge {
  font-size: var(--font-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: var(--text-muted);
}

.badge.paid { color: var(--ok); background: rgba(82, 211, 138, 0.16); }
.badge.pending { color: var(--warn); background: rgba(242, 184, 75, 0.16); }
.badge.failed { color: var(--danger); background: rgba(224, 83, 83, 0.16); }

.notice {
  padding: var(--space-md) 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  font-size: var(--font-base);
  line-height: var(--line-relaxed);
}

.notice:empty { display: none; }
.notice.ok    { background: rgba(82, 211, 138, 0.12); color: #52d38a; border: 1px solid rgba(82,211,138,0.22); }
.notice.warn  { background: rgba(242, 184, 75, 0.12); color: #f2b84b; border: 1px solid rgba(242,184,75,0.22); }
.notice.error { background: rgba(224, 83, 83, 0.15); color: #ffd0d0; border: 1px solid rgba(224,83,83,0.25); }

#workflowJsonText {
  min-height: 220px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

.loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.loading span {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 999px;
  animation: pulse 1s infinite ease-in-out alternate;
}

.loading span:nth-child(2) { animation-delay: 0.2s; }
.loading span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
  from { opacity: 0.4; transform: translateY(0); }
  to { opacity: 1; transform: translateY(-4px); }
}

.empty {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: var(--font-base);
  line-height: var(--line-relaxed);
  text-align: center;
}

.footer {
  margin-top: var(--space-2xl);
  color: var(--text-dim);
  font-size: var(--font-sm);
}

details {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md) 14px;
  background: rgba(255,255,255,0.03);
  transition: background var(--transition-base);
}

details:hover {
  background: rgba(255,255,255,0.05);
}

details > summary {
  cursor: pointer;
  font-size: var(--font-base);
  color: var(--text);
  list-style: none;
  user-select: none;
  transition: color var(--transition-fast);
}

details > summary:hover {
  color: var(--accent-2);
}

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

details[open] {
  background: rgba(255,255,255,0.05);
}

details[open] > summary {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

/* ── Advanced Sections (Workflow) ────────────────────────── */
.advanced-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  background: rgba(0,0,0,0.2);
}

.advanced-section summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
  color: var(--text-muted);
}

.advanced-section:hover summary {
  color: var(--text);
}

.advanced-section[open] summary {
  color: var(--text);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.advanced-icon {
  font-size: 16px;
  display: inline-block;
}

.advanced-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ── Tooltip Hint ────────────────────────────────────────── */
.tooltip-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(81,194,178,0.15);
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 600;
  cursor: help;
  margin-left: 4px;
  transition: background var(--transition-fast);
}

.tooltip-hint:hover {
  background: rgba(81,194,178,0.25);
}

/* ── Workflow JSON Toggle ────────────────────────────────── */
.workflow-json-toggle {
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255,255,255,0.02);
}

.workflow-json-toggle[open] {
  background: rgba(255,255,255,0.04);
  padding: var(--space-md);
}

.workflow-json-toggle summary {
  font-size: var(--font-sm);
}

.workflow-json-toggle textarea {
  width: 100%;
  min-height: 120px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 12px;
}

/* ── Admin Panel Specific ────────────────────────────────── */
.required {
  color: var(--danger);
  font-weight: 600;
}

.card-description {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  line-height: var(--line-relaxed);
}

.field-group {
  display: grid;
  gap: var(--space-md);
}

.filter-collapse {
  margin-top: var(--space-sm);
}

.filter-collapse summary {
  font-size: var(--font-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

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

/* ── Danger Button (for critical actions) ────────────────── */
button.primary.danger {
  background: linear-gradient(120deg, var(--danger), #ff6b6b);
  box-shadow: 0 2px 8px rgba(224,83,83,0.2);
}

button.primary.danger:hover {
  box-shadow: 0 4px 16px rgba(224,83,83,0.3);
}

/* ── Success Button ──────────────────────────────────────── */
button.primary.success {
  background: linear-gradient(120deg, var(--ok), #6ee7b7);
  color: #0f1115;
}

button.primary.success:hover {
  box-shadow: 0 4px 16px rgba(82,211,138,0.3);
}

/* ── Hidden Results ──────────────────────────────────────── */
.notice[style*="display: none"],
.notice:empty {
  display: none !important;
}

@media (max-width: 1024px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .main { padding: 24px; }
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main { padding: 20px 16px; }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .billing-packages { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
  .billing-workspace__header { 
    flex-direction: column;
    align-items: stretch;
  }
  .billing-inline-balance { 
    width: 100%; 
    min-width: 0;
  }
  .account-panel,
  .billing-workspace { padding: 18px; }
  .account-summary__grid { grid-template-columns: 1fr; }
  .account-summary__hero { display: grid; }
}

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .main { padding: 16px; }
  .topbar .status { width: 100%; }
  .balance-chip { width: 100%; justify-content: space-between; }
  .billing-inline-balance { 
    width: 100%; 
    min-width: 0;
  }
  .billing-packages { 
    grid-template-columns: 1fr; 
  }
  .billing-actions button {
    max-width: 100%;
  }
  .account-panel__header { 
    flex-direction: column;
    align-items: stretch;
    gap: 12px; 
  }
  .account-panel__header button {
    width: 100%;
  }
  .account-summary__value--emphasis { font-size: 26px; }
  .card { padding: 16px; }
  .account-panel { padding: 16px; }
  .billing-workspace { padding: 16px; }
}

/* ── Package cards (billing) ─────────────────────────── */
.pkg-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 16px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  position: relative;
}
.pkg-card:hover {
  border-color: rgba(81,194,178,0.3);
  background: linear-gradient(180deg, rgba(81,194,178,0.07), rgba(255,255,255,0.02));
  transform: translateY(-2px);
}
.pkg-card.active {
  border-color: var(--accent-2);
  background: linear-gradient(180deg, rgba(81,194,178,0.14), rgba(255,255,255,0.04));
  box-shadow: 0 0 0 3px rgba(81,194,178,0.1);
}
.pkg-name {
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
}
.pkg-credits {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1;
  margin-top: 6px;
}
.pkg-unit {
  font-size: var(--font-xs);
  color: var(--text-dim);
}
.pkg-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #111;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.billing-workspace {
  margin-top: 18px;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(81,194,178,0.10), transparent 55%),
    linear-gradient(180deg, rgba(14,18,28,0.88), rgba(18,24,36,0.92));
  max-width: 100%;
  overflow: hidden;
}

.billing-workspace__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  max-width: 100%;
}

.billing-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.billing-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.1;
}

.billing-inline-balance {
  min-width: 140px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(224,165,38,0.18);
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}

.billing-inline-balance__label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.billing-inline-balance__value {
  font-family: var(--font-display);
  font-size: 24px;
  color: #fff4d6;
}

.billing-packages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  max-width: 100%;
}

.billing-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 18px;
  max-width: 100%;
}

.billing-actions button {
  width: 100%;
  max-width: 320px;
}

.billing-actions__hint {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.billing-result {
  margin-top: 12px;
}

.paypal-stage {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}

.paypal-stage__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.paypal-stage__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.paypal-stage__badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.paypal-stage__body {
  display: grid;
  gap: 12px;
}

.paypal-stage__frame {
  padding: 16px;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    var(--bg-panel);
  border: 1px solid rgba(81,194,178,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.paypal-stage__note {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}

.paypal-buttons-host {
  min-height: 54px;
}

.paypal-buttons-host:empty::before {
  content: "PayPal checkout появится здесь после выбора пакета.";
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px dashed rgba(255,255,255,0.10);
  color: var(--text-dim);
  font-size: 13px;
  background: rgba(9,12,20,0.35);
}

/* ═══════════════════════════════════════════════════════════
   PHASE 3: MICRO-INTERACTIONS (Portal)
   ═══════════════════════════════════════════════════════════ */

/* ── Card Hover Effects ──────────────────────────────────── */
.card:hover {
  border-color: rgba(81,194,178,0.15);
  transform: translateY(-1px);
  box-shadow: 0 28px 70px rgba(6, 8, 16, 0.4);
}

/* ── Skeleton Loaders ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.03) 25%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.03) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  min-height: 20px;
}

@keyframes skeleton-wave {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Loading Spinner ─────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent-2);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── Fade Animations ─────────────────────────────────────── */
.fade-in {
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp var(--transition-base);
}

@keyframes slideUp {
  from { 
    opacity: 0; 
    transform: translateY(16px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

/* ── Toast Notifications ─────────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  min-width: 320px;
  max-width: 480px;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  animation: toastSlideIn 0.3s ease-out;
  z-index: 1000;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(120%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.toast--success { border-color: rgba(82,211,138,0.3); }
.toast.toast--error { border-color: rgba(224,83,83,0.3); }
.toast.toast--warning { border-color: rgba(242,184,75,0.3); }

/* ── Pulse Effect ────────────────────────────────────────── */
.pulse {
  animation: pulse-effect 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-effect {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}