/* Data Center usage credits: marketing page, package cards, checkout, billing page and the
   (feature-agnostic) payment methods manager. Used by data-center.html and data-center-billing.html. */

:root {
  --dcb-navy: #0a3161;
  --dcb-navy-dark: #072448;
  --dcb-red: #b31942;
  --dcb-gold: #fdc600;
  --dcb-ink: #15202b;
  --dcb-muted: #5f6b7a;
  --dcb-line: #e3e7ee;
  --dcb-soft: #f4f7fb;
  --dcb-green: #1b7f4b;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.dcb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--dcb-navy);
  background: var(--dcb-navy);
  color: #fff;
  border-radius: 8px;
  padding: 11px 18px;
  font-family: Helveticanowdisplay, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}
.dcb-btn:hover { background: var(--dcb-navy-dark); color: #fff; }
.dcb-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.dcb-btn.secondary { background: #fff; color: var(--dcb-navy); }
.dcb-btn.secondary:hover { background: var(--dcb-soft); color: var(--dcb-navy); }
.dcb-btn.link { background: none; border-color: transparent; color: var(--dcb-navy); padding: 6px 8px; text-decoration: underline; }
.dcb-btn.link:hover { background: none; color: var(--dcb-navy-dark); }
.dcb-btn.danger { background: #fff; border-color: #d9a3b2; color: var(--dcb-red); }
.dcb-btn.danger:hover { background: #fbf0f3; }
.dcb-btn.small { padding: 7px 12px; font-size: 13px; border-radius: 7px; }
.dcb-btn.block { display: flex; width: 100%; }

/* ── Package cards ───────────────────────────────────────────────────── */
.dcb-packages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.dcb-package {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--dcb-line);
  border-radius: 14px;
  padding: 26px 22px 22px;
  box-shadow: 0 1px 2px rgba(10, 49, 97, 0.04);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}
.dcb-package:hover { box-shadow: 0 8px 24px rgba(10, 49, 97, 0.10); transform: translateY(-2px); }
.dcb-package.featured { border: 2px solid var(--dcb-navy); padding: 25px 21px 21px; }
.dcb-package-badge {
  position: absolute;
  top: -12px;
  left: 22px;
  background: var(--dcb-red);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 20px;
  padding: 5px 11px;
}
.dcb-package-badge.gold { background: var(--dcb-gold); color: var(--dcb-ink); }
.dcb-package-badge.navy { background: var(--dcb-navy); }
.dcb-package-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dcb-muted);
}
.dcb-package-credits {
  margin-top: 8px;
  font-size: 34px;
  font-weight: 800;
  color: var(--dcb-ink);
  line-height: 1.1;
}
.dcb-package-credits small { font-size: 15px; font-weight: 600; color: var(--dcb-muted); margin-left: 4px; }
.dcb-package-price {
  margin-top: 12px;
  font-size: 17px;
  color: var(--dcb-ink);
}
.dcb-package-price strong { font-size: 22px; }
.dcb-package-price s { color: #98a2b0; margin-left: 6px; }
.dcb-package-save { margin-top: 6px; min-height: 20px; font-size: 14px; font-weight: 700; color: var(--dcb-green); }
.dcb-package-note { margin-top: 4px; font-size: 13px; color: var(--dcb-muted); min-height: 18px; }
.dcb-package .dcb-btn { margin-top: auto; }
.dcb-packages.closed .dcb-package:hover { box-shadow: none; transform: none; }
.dcb-btn.coming-soon:disabled { background: #c3c8cf; border-color: #c3c8cf; color: #fff; opacity: 1; }
.dcb-package-spacer { flex: 1 1 auto; min-height: 16px; }
.dcb-custom-input-wrap {
  display: flex;
  align-items: center;
  margin-top: 10px;
  border: 1px solid #cfd6e0;
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
}
.dcb-custom-input-wrap:focus-within { border-color: var(--dcb-navy); }
.dcb-custom-input-wrap span { font-size: 20px; font-weight: 700; color: var(--dcb-muted); }
.dcb-custom-input {
  width: 100%;
  border: none;
  outline: none;
  padding: 10px 8px;
  font-size: 22px;
  font-weight: 700;
  font-family: inherit;
  color: var(--dcb-ink);
  background: transparent;
}

/* ── Marketing page (data-center.html, users without access) ─────────── */
.dcb-marketing { display: none; }
.dcb-hero {
  background: linear-gradient(135deg, #0a3161 0%, #123f78 60%, #1c4f8f 100%);
  color: #fff;
  border-radius: 18px;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.dcb-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(253, 198, 0, 0.18) 0%, rgba(253, 198, 0, 0) 70%);
  pointer-events: none;
}
.dcb-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.dcb-hero-preview {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dcb-preview-msg { font-size: 14px; line-height: 1.45; border-radius: 12px; padding: 10px 13px; color: var(--dcb-ink); }
.dcb-preview-msg.user { align-self: flex-end; max-width: 85%; background: var(--dcb-navy); color: #fff; }
.dcb-preview-msg.assistant { background: var(--dcb-soft); }
/* Real chat chart card (dcRenderChart) inside the hero preview: shorter, no download / resize. */
.dcb-preview-chart .dc-chart-canvas-wrap { height: 160px; }
.dcb-hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dcb-gold);
}
.dcb-hero h1 {
  margin: 12px 0 0;
  max-width: 760px;
  font-size: 44px;
  line-height: 1.12;
  font-weight: 800;
  color: #fff;
}
.dcb-hero p {
  margin: 18px 0 0;
  max-width: 680px;
  font-size: 18px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.86);
}
.dcb-hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.dcb-hero .dcb-btn { background: var(--dcb-gold); border-color: var(--dcb-gold); color: var(--dcb-ink); padding: 14px 24px; font-size: 16px; }
.dcb-hero .dcb-btn:hover { background: #ffd630; }
.dcb-hero-note { font-size: 14px; color: rgba(255, 255, 255, 0.75); }

.dcb-section { margin-top: 56px; }
.dcb-section-title { margin: 0; font-size: 28px; font-weight: 800; color: var(--dcb-ink); text-align: center; }
.dcb-section-subtitle { margin: 10px auto 0; max-width: 640px; font-size: 16px; line-height: 1.5; color: var(--dcb-muted); text-align: center; }
.dcb-section-body { margin-top: 28px; }

.dcb-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dcb-feature {
  background: #fff;
  border: 1px solid var(--dcb-line);
  border-radius: 14px;
  padding: 24px;
}
.dcb-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--dcb-soft);
  color: var(--dcb-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}
.dcb-feature h4 { margin: 16px 0 0; font-size: 18px; font-weight: 700; color: var(--dcb-ink); }
.dcb-feature p { margin: 8px 0 0; font-size: 15px; line-height: 1.5; color: var(--dcb-muted); }

.dcb-examples { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; max-width: 900px; margin: 0 auto; }
.dcb-example {
  background: var(--dcb-soft);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--dcb-ink);
  border-left: 3px solid var(--dcb-navy);
}

.dcb-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dcb-step { text-align: center; padding: 8px 16px; }
.dcb-step-num {
  width: 38px;
  height: 38px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--dcb-navy);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dcb-step h4 { margin: 14px 0 0; font-size: 17px; font-weight: 700; color: var(--dcb-ink); }
.dcb-step p { margin: 6px 0 0; font-size: 15px; line-height: 1.5; color: var(--dcb-muted); }

.dcb-faq { max-width: 820px; margin: 0 auto; }
.dcb-faq-item { border-bottom: 1px solid var(--dcb-line); padding: 18px 2px; }
.dcb-faq-item h5 { margin: 0; font-size: 16px; font-weight: 700; color: var(--dcb-ink); }
.dcb-faq-item p { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--dcb-muted); }
.dcb-fineprint { margin-top: 16px; text-align: center; font-size: 13px; color: var(--dcb-muted); }

/* ── Modal (checkout, add card) ─────────────────────────────────────── */
.dcb-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.dcb-modal-overlay { position: absolute; inset: 0; background: rgba(8, 20, 38, 0.55); }
.dcb-modal-box {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: #fff;
  border-radius: 16px;
  padding: 30px 28px 26px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.dcb-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: #f0f2f5;
  color: #333;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.dcb-modal-title { margin: 0 36px 0 0; font-size: 21px; font-weight: 800; color: var(--dcb-ink); }
.dcb-modal-text { margin: 8px 0 0; font-size: 15px; line-height: 1.5; color: var(--dcb-muted); }
.dcb-summary {
  margin-top: 18px;
  border: 1px solid var(--dcb-line);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--dcb-soft);
}
.dcb-summary-row { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; color: var(--dcb-ink); padding: 4px 0; }
.dcb-summary-row.discount { color: var(--dcb-green); }
.dcb-summary-row.total { margin-top: 6px; padding-top: 10px; border-top: 1px solid var(--dcb-line); font-weight: 800; font-size: 17px; }
.dcb-pay-options { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.dcb-pay-option {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--dcb-line);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 15px;
  color: var(--dcb-ink);
}
.dcb-pay-option input { margin: 0; accent-color: var(--dcb-navy); }
.dcb-pay-option.selected { border-color: var(--dcb-navy); background: #f7faff; }
.dcb-payment-element { margin-top: 14px; min-height: 40px; }
.dcb-modal-actions { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.dcb-error {
  display: none;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fbf0f3;
  color: var(--dcb-red);
  font-size: 14px;
  line-height: 1.4;
}
.dcb-secure-note { margin-top: 12px; font-size: 12.5px; color: var(--dcb-muted); text-align: center; }
.dcb-success { text-align: center; padding: 10px 0 4px; }
.dcb-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #e5f4ec;
  color: var(--dcb-green);
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dcb-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dcb-spin 0.8s linear infinite;
}
@keyframes dcb-spin { to { transform: rotate(360deg); } }

/* ── Billing page (data-center-billing.html) ───────────────────────── */
.dcb-card {
  background: #fff;
  border: 1px solid var(--dcb-line);
  border-radius: 14px;
  padding: 24px;
}
.dcb-card + .dcb-card { margin-top: 18px; }
.dcb-card-title { margin: 0; font-size: 18px; font-weight: 800; color: var(--dcb-ink); }
.dcb-card-subtitle { margin: 6px 0 0; font-size: 14.5px; line-height: 1.5; color: var(--dcb-muted); }
.dcb-overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.dcb-overview-grid > .dcb-card { margin-top: 0; }
.dcb-overview-grid + .dcb-card { margin-top: 18px; }
.dcb-balance-label { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dcb-muted); }
.dcb-balance-value { margin-top: 8px; font-size: 44px; font-weight: 800; color: var(--dcb-ink); line-height: 1.05; }
.dcb-balance-value.negative { color: var(--dcb-red); }
.dcb-balance-meta { margin-top: 8px; font-size: 14.5px; color: var(--dcb-muted); }
.dcb-balance-actions { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.dcb-toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dcb-switch { position: relative; display: inline-block; width: 46px; height: 26px; flex: 0 0 auto; }
.dcb-switch input { opacity: 0; width: 0; height: 0; }
.dcb-switch-slider { position: absolute; inset: 0; cursor: pointer; background: #c9d1dc; border-radius: 26px; transition: background 0.15s ease; }
.dcb-switch-slider::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.dcb-switch input:checked + .dcb-switch-slider { background: var(--dcb-navy); }
.dcb-switch input:checked + .dcb-switch-slider::before { transform: translateX(20px); }
.dcb-field-row { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dcb-field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--dcb-ink); margin-bottom: 6px; }
.dcb-money-input { display: flex; align-items: center; border: 1px solid #cfd6e0; border-radius: 8px; padding: 0 10px; background: #fff; }
.dcb-money-input:focus-within { border-color: var(--dcb-navy); }
.dcb-money-input span { color: var(--dcb-muted); font-weight: 700; }
.dcb-money-input input { width: 100%; border: none; outline: none; padding: 10px 6px; font-size: 16px; font-family: inherit; background: transparent; }
.dcb-field-hint { margin-top: 5px; font-size: 12.5px; color: var(--dcb-muted); }
.dcb-inline-status { margin-left: 10px; font-size: 14px; color: var(--dcb-green); }

.dcb-table-wrap { margin-top: 16px; overflow-x: auto; }
.dcb-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.dcb-table th {
  text-align: left;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dcb-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--dcb-line);
  white-space: nowrap;
}
.dcb-table td { padding: 12px; border-bottom: 1px solid #f0f2f5; color: var(--dcb-ink); vertical-align: middle; }
.dcb-table td.num, .dcb-table th.num { text-align: right; white-space: nowrap; }
.dcb-table tr.clickable { cursor: pointer; }
.dcb-table tr.clickable:hover td { background: var(--dcb-soft); }
.dcb-table tr.selected td { background: #eef3fa; }
.dcb-empty { padding: 26px 12px; text-align: center; color: var(--dcb-muted); font-size: 14.5px; }
.dcb-status { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 12.5px; font-weight: 700; }
.dcb-status.ok { background: #e5f4ec; color: var(--dcb-green); }
.dcb-status.failed { background: #fbf0f3; color: var(--dcb-red); }
.dcb-status.test { background: #fff4d6; color: #8a5a00; margin-left: 6px; }

/* Stripe sandbox testers (DataCenterUser.stripeSandbox): payments use Stripe TEST cards */
.dcb-test-banner { margin-top: 18px; padding: 12px 16px; border-radius: 10px; background: #fff4d6;
  border: 1px solid #f0d58a; color: #6b4600; font-size: 14px; line-height: 1.45; }
.dcb-test-banner strong { color: #5a3a00; }
.dcb-test-banner code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.dcb-modal .dcb-test-banner { margin: 0 0 14px; }
.dc-credits-test { display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 10px; background: #fff4d6;
  color: #8a5a00; font-size: 10.5px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; vertical-align: 1px; }
.dcb-muted { color: var(--dcb-muted); }
.dcb-chart-wrap { position: relative; height: 280px; margin-top: 18px; }
.dcb-month-heading { margin: 22px 0 0; font-size: 16px; font-weight: 700; color: var(--dcb-ink); }

/* Payment methods list (payment-methods.js) */
.pm-list { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.pm-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--dcb-line);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fff;
}
.pm-brand {
  flex: 0 0 auto;
  width: 52px;
  height: 34px;
  border-radius: 6px;
  background: var(--dcb-soft);
  border: 1px solid var(--dcb-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--dcb-navy);
  text-transform: uppercase;
}
.pm-info { flex: 1 1 auto; min-width: 0; }
.pm-title { font-size: 15px; font-weight: 700; color: var(--dcb-ink); }
.pm-meta { margin-top: 2px; font-size: 13px; color: var(--dcb-muted); }
.pm-default-badge { margin-left: 8px; padding: 2px 8px; border-radius: 20px; background: #eef3fa; color: var(--dcb-navy); font-size: 11.5px; font-weight: 700; vertical-align: middle; }
.pm-actions { display: flex; gap: 8px; flex: 0 0 auto; }

/* Sidebar credits panel (data-center.html) */
.dc-credits {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #e3e7ee;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: #f8fafd;
}
.dc-credits-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; }
.dc-credits-label { font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: #6b7685; }
.dc-credits-value { margin-top: 3px; font-size: 26px; font-weight: 800; color: #15202b; line-height: 1.1; }
.dc-credits-value.low { color: #b06d00; }
.dc-credits-value.empty { color: var(--dcb-red); }
.dc-credits-meta { margin-top: 4px; font-size: 12.5px; color: #6b7685; }
.dc-credits-info { flex: 1 1 auto; min-width: 0; }
/* Buttons stacked on the right of the balance (saves a row of vertical space) */
.dc-credits-actions { flex: 0 0 auto; display: flex; flex-direction: column; gap: 6px; }
.dc-credits-actions .dcb-btn { padding: 6px 12px; font-size: 12.5px; white-space: nowrap; text-align: center; }
.dc-out-of-credits {
  display: none;
  margin: 0 16px 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fbf0f3;
  border: 1px solid #f0cdd7;
  color: #6d1029;
  font-size: 14px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media screen and (max-width: 991px) {
  .dcb-hero { padding: 40px 28px; grid-template-columns: 1fr; }
  .dcb-hero-preview { display: none; }
  .dcb-hero h1 { font-size: 34px; }
  .dcb-features, .dcb-steps { grid-template-columns: 1fr; }
  .dcb-overview-grid { grid-template-columns: 1fr; }
}
@media screen and (max-width: 767px) {
  .dcb-hero h1 { font-size: 28px; }
  .dcb-hero p { font-size: 16px; }
  .dcb-examples { grid-template-columns: 1fr; }
  .dcb-field-row { grid-template-columns: 1fr; }
  .pm-item { flex-wrap: wrap; }
  .pm-actions { width: 100%; }
}