:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: #24394a; background: #f5f7f8; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #275e85; text-underline-offset: 4px; }
.site-header { max-width: 1080px; margin: auto; padding: 26px 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #dce3e8; }
.brand { text-decoration: none; font-size: 21px; letter-spacing: -.5px; }
.brand strong { background: #275e85; color: white; font-size: 12px; padding: 5px 7px; border-radius: 3px; vertical-align: middle; margin-left: 4px; }
.site-header > span { color: #6b7d88; font-size: 13px; }
.shell { max-width: 1000px; margin: 0 auto; padding: 54px 28px; }
.intro, .panel, .details { max-width: 700px; margin-left: auto; margin-right: auto; }
.eyebrow { color: #3c708e; font-size: 11px; font-weight: bold; letter-spacing: 1.8px; }
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -1.3px; font-weight: 600; margin: 16px 0; }
p { line-height: 1.6; }
.intro > p { color: #61727e; max-width: 580px; margin-bottom: 30px; }
.panel { background: white; border: 1px solid #d7e0e7; border-radius: 8px; padding: 28px; }
label { font-weight: bold; font-size: 14px; display: block; margin-bottom: 12px; }
input { width: 100%; padding: 15px 12px; border: 1px solid #a8bccb; border-radius: 4px; color: #24394a; font: inherit; font-size: 15px; }
input:focus, button:focus-visible, a:focus-visible, #remote-screen:focus-visible { outline: 3px solid #98c4de; outline-offset: 3px; }
.hint { font-size: 12px; color: #667b89; }
button, .button { display: inline-flex; align-items: center; gap: 30px; justify-content: center; background: #275e85; color: white; border: 1px solid #275e85; border-radius: 4px; padding: 13px 18px; font: inherit; font-size: 14px; font-weight: bold; text-decoration: none; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
.secondary { background: transparent; color: #275e85; }
.details { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; font-size: 12px; color: #667b89; margin-top: 18px; }
.details strong { display: block; font-size: 13px; color: #354e60; margin-bottom: 6px; }
.site-footer { text-align: center; color: #72838e; font-size: 11px; line-height: 1.7; padding: 15px 24px 30px; }
.error { padding: 14px 16px; border: 1px solid #d3a3a1; border-radius: 4px; background: #fff4f3; color: #833933; line-height: 1.5; font-size: 14px; margin-top: 18px; }
.processing { color: #275e85; font-size: 13px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin: 24px 0; font-size: 13px; }
.preview-top > p { color: #61727e; }
.preview { width: 100%; height: 900px; border: 1px solid #ccd7df; background: white; }
.remote-scroll { max-width: 100%; overflow-x: auto; border: 1px solid #bccdd8; background: white; }
#remote-screen { display: block; width: 1000px; height: 800px; cursor: pointer; }
[hidden] { display: none !important; }
@media (max-width: 600px) { .site-header { padding: 20px; } .site-header > span { display: none; } .shell { padding: 32px 18px; } .panel { padding: 22px 18px; } .details { grid-template-columns: 1fr; gap: 0; } }