* {
  box-sizing: border-box;
}

html {
  background: #F6F7F9;
}

body {
  margin: 0;
  background: #F6F7F9;
  color: #101828;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

.site-header {
  background: #0B1220;
  color: #ffffff;
  padding: 28px 0 24px;
}

.site-name {
  margin: 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.25;
}

.tagline {
  margin: 6px 0 0;
  color: #d0d5dd;
  font-size: 16px;
}

.tool-nav {
  background: #ffffff;
  border-bottom: 1px solid #E4E7EC;
  padding: 14px 0;
}

.tool-nav .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-nav a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid #E4E7EC;
  border-radius: 999px;
  background: #F6F7F9;
  color: #175CD3;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.tool-nav a:hover,
.tool-nav a:focus {
  border-color: #175CD3;
  background: #ffffff;
}

main {
  padding-top: 28px;
  padding-bottom: 8px;
}

h1 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.25;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.35;
}

p {
  margin: 0 0 14px;
}

a {
  color: #175CD3;
}

.tool {
  background: #ffffff;
  border: 1px solid #E4E7EC;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 28px;
}

.tool h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.35;
}

p.lead {
  color: #344054;
  font-size: 17px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #D0D5DD;
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font: inherit;
}

.field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #D0D5DD;
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font: inherit;
}

.field textarea {
  width: 100%;
  min-height: 110px;
  padding: 10px 12px;
  border: 1px solid #D0D5DD;
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font: inherit;
  resize: vertical;
}

.field input[type=range] {
  width: 100%;
  padding: 0;
  border: 0;
  accent-color: #E11D2E;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}

.btn-primary {
  background: #E11D2E;
  border-color: #E11D2E;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #c01020;
  border-color: #c01020;
}

.btn-secondary {
  background: #175CD3;
  border-color: #175CD3;
  color: #ffffff;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: #1249ab;
  border-color: #1249ab;
}

.result {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid #E4E7EC;
  border-radius: 10px;
  background: #F6F7F9;
}

.note {
  padding: 14px 16px;
  border: 1px solid #D0D5DD;
  border-radius: 10px;
  background: #ffffff;
  color: #344054;
}

.warn {
  padding: 14px 16px;
  border: 1px solid #FDB022;
  border-radius: 10px;
  background: #FFFAEB;
  color: #7A2E0E;
}

.error {
  padding: 14px 16px;
  border: 1px solid #FECDCA;
  border-radius: 10px;
  background: #FEF3F2;
  color: #B42318;
}

.ok {
  padding: 14px 16px;
  border: 1px solid #ABEFC6;
  border-radius: 10px;
  background: #ECFDF3;
  color: #067647;
}

.stat {
  display: inline-block;
  margin: 0 12px 8px 0;
  padding: 8px 12px;
  border: 1px solid #E4E7EC;
  border-radius: 8px;
  background: #ffffff;
  font-weight: 600;
}

.thumb-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.preview-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.preview-card {
  flex: 1 1 220px;
  min-width: 0;
  padding: 12px;
  border: 1px solid #E4E7EC;
  border-radius: 10px;
  background: #ffffff;
}

.preview-thumb {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  background: #EAECF0;
}

.safezone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 20%;
  height: 28%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 2px 6px;
  border-radius: 6px 0 6px 0;
  background: rgba(11, 18, 32, 0.55);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
}

.safezone[hidden] {
  display: none;
}

.site-footer {
  padding: 28px 0 36px;
  border-top: 1px solid #E4E7EC;
  background: #ffffff;
  color: #667085;
}

.site-footer h2 {
  color: #101828;
}

.network-links {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.network-links li {
  margin: 0;
}

.network-links a {
  color: #175CD3;
  text-decoration: none;
}

.network-links a:hover,
.network-links a:focus {
  text-decoration: underline;
}

#tp-mobile {
  flex: 1 1 260px;
  max-width: 360px;
}

#tp-desktop {
  flex: 1 1 420px;
}

.error:empty,
.ok:empty,
.note:empty,
.stat:empty,
.warn:empty {
  display: none;
}