/* style.css — AgentEX1 Billing design tokens + component styles */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300..900&family=Inter:wght@300..700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  /* Fonts */
  --font-display: 'Geist', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Transition */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ===== DARK THEME (Primary) ===== */
:root, [data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-2: #161616;
  --color-surface-offset: #1a1a1a;
  --color-border: #282828;
  --color-border-subtle: #1e1e1e;
  --color-text: #ededed;
  --color-text-muted: #888888;
  --color-text-faint: #444444;
  --color-text-inverse: #0a0a0a;
  --color-primary: #00d4aa;
  --color-primary-hover: #00bfa0;
  --color-primary-dim: rgba(0, 212, 170, 0.12);
  --color-primary-border: rgba(0, 212, 170, 0.18);
  --color-success: #4ade80;
  --color-error: #f87171;
  --color-warning: #fbbf24;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-2: #f3f4f6;
  --color-surface-offset: #e8e9eb;
  --color-border: #d1d5db;
  --color-border-subtle: #e5e7eb;
  --color-text: #0d0d0d;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #ffffff;
  --color-primary: #00a887;
  --color-primary-hover: #009076;
  --color-primary-dim: rgba(0, 168, 135, 0.1);
  --color-primary-border: rgba(0, 168, 135, 0.2);
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ===== GLOBAL STYLES ===== */
body {
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-interactive); }
a:hover { color: var(--color-primary-hover); }

/* ===== LAYOUT ===== */
.page-wrapper {
  flex: 1;
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

@media (min-width: 768px) {
  .page-wrapper { padding: var(--space-12) var(--space-6); }
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
}

[data-theme="light"] .site-header {
  background: rgba(248,249,250,0.85);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
}

.header-logo svg { flex-shrink: 0; }

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header-nav a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
}

.header-nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header-nav a.active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* ===== VIEW CONTAINERS ===== */
.view { display: none; }
.view.active { display: block; }

/* ===== PAGE HEADER ===== */
.page-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ===== BILLING TOGGLE ===== */
.billing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.billing-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
  cursor: pointer;
}

.billing-label.active { color: var(--color-text); font-weight: 500; }

.toggle-track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-interactive);
}

.toggle-track.annual { background: var(--color-primary-dim); border-color: var(--color-primary-border); }

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

.toggle-track.annual .toggle-thumb { transform: translateX(20px); background: var(--color-primary); }

.savings-badge {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scale(0.8);
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.savings-badge.visible { opacity: 1; transform: scale(1); }

/* ===== PRICING GRID ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ===== PRICING CARD ===== */
.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.pricing-card:hover {
  border-color: var(--color-text-faint);
}

/* Popular card */
.pricing-card.popular {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), 0 8px 32px rgba(0, 212, 170, 0.08);
}

.popular-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* Enterprise card */
.pricing-card.enterprise {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.pricing-card.enterprise::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-xl) + 1px);
  background: linear-gradient(135deg, var(--color-primary-border), var(--color-border), var(--color-primary-border));
  z-index: -1;
}

/* Current plan indicator */
.pricing-card.current-plan {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}

.current-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary-border);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.card-plan-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

.card-price-amount {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.card-price-period {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.card-price-annual {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  min-height: 1.2em;
}

.card-description {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.5;
}

.card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.card-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
  display: inline-block;
}

.check-icon { color: var(--color-primary); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  text-decoration: none;
  width: 100%;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover { border-color: var(--color-text-faint); background: var(--color-surface-2); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  padding: var(--space-1) var(--space-2);
}

.btn-ghost:hover { color: var(--color-text); background: var(--color-surface-2); }

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

.btn-danger:hover { background: var(--color-error); color: var(--color-text-inverse); }

.btn-sm {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
}

.btn:disabled, .btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

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

/* ===== CHECKOUT LAYOUT ===== */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .checkout-layout { grid-template-columns: 1fr 360px; }
}

.checkout-form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.checkout-sidebar {
  position: sticky;
  top: calc(60px + var(--space-4));
}

.order-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

/* ===== FORM STYLES ===== */
.form-section-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group { display: flex; flex-direction: column; gap: var(--space-1); }

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

.form-input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.form-input::placeholder { color: var(--color-text-faint); }

.form-input.card-input {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* Card input with icon */
.input-with-icon {
  position: relative;
}

.input-with-icon .form-input { padding-left: var(--space-10); }

.input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
}

/* ===== ORDER SUMMARY ===== */
.summary-plan-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.summary-plan-period {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.summary-line-items {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.trust-badges {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--color-text-faint);
}

.trust-badge svg { display: inline; }

/* ===== SUCCESS STATE ===== */
.checkout-success {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: var(--color-primary);
}

.success-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.success-message {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ===== MANAGE VIEW ===== */
.manage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

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

.manage-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

.manage-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.manage-plan-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.plan-status {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-success);
}

.manage-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ===== USAGE METERS ===== */
.usage-meters {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.usage-meter {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.usage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.usage-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.usage-value {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text);
}

.usage-bar {
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.usage-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ===== PAYMENT METHOD ===== */
.payment-card-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.card-brand-icon {
  width: 40px;
  height: 28px;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-muted);
}

.card-details { flex: 1; }

.card-number-display {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text);
}

.card-expiry-display {
  font-size: 11px;
  color: var(--color-text-faint);
}

/* ===== INVOICE TABLE ===== */
.invoice-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: var(--space-4);
}

.invoice-table {
  width: 100%;
  font-size: var(--text-xs);
}

.invoice-table thead {
  background: var(--color-surface-2);
}

.invoice-table th {
  text-align: left;
  padding: var(--space-2) var(--space-4);
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.invoice-table td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.invoice-table td:first-child { color: var(--color-text); }

.invoice-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.invoice-status.paid {
  background: rgba(74, 222, 128, 0.1);
  color: var(--color-success);
}

.invoice-download-link {
  font-size: var(--text-xs);
  color: var(--color-primary);
  cursor: pointer;
}

.invoice-download-link:hover { text-decoration: underline; }

/* ===== ACTION BUTTONS ROW ===== */
.manage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.manage-actions .btn { width: auto; }

/* ===== CHANGE PLAN VIEW ===== */
.prorate-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-primary-dim);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.prorate-notice svg { flex-shrink: 0; color: var(--color-primary); margin-top: 1px; }

/* ===== BACK LINK ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  transition: color var(--transition-interactive);
}

.back-link:hover { color: var(--color-text); }

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4);
  text-align: center;
}

.site-footer a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.site-footer a:hover { color: var(--color-text-muted); }

/* ===== SSL / STRIPE BADGES ===== */
.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

.stripe-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* ===== CANCEL MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 440px;
  width: 100%;
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.modal-message {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.modal-actions .btn { width: auto; }

/* ===== RESPONSIVE ===== */
@media (max-width: 639px) {
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .header-nav { display: none; }
  .page-title { font-size: var(--text-lg); }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.view.active { animation: fadeIn 200ms ease-out; }

.pricing-card {
  animation: slideUp 400ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.pricing-card:nth-child(1) { animation-delay: 0ms; }
.pricing-card:nth-child(2) { animation-delay: 60ms; }
.pricing-card:nth-child(3) { animation-delay: 120ms; }
.pricing-card:nth-child(4) { animation-delay: 180ms; }

/* Tabular nums for prices */
.card-price-amount,
.usage-value,
.invoice-table td,
.summary-line,
.summary-total {
  font-variant-numeric: tabular-nums lining-nums;
}