:root { color-scheme: dark; font-family: system-ui, sans-serif; color: #e2e8f0; background: #0f172a; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
a { color: #7dd3fc; text-underline-offset: 3px; }
a:hover { color: #fff; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
header { border-bottom: 1px solid #334155; }
nav, .brand, .nav-links, footer { display: flex; align-items: center; gap: 1.25rem; }
nav { justify-content: space-between; padding-block: 1.25rem; }
.brand { color: #fff; font-size: 1.35rem; font-weight: 750; text-decoration: none; gap: .5rem; }
main { padding-block: 3rem; }
.eyebrow { color: #7dd3fc; text-transform: uppercase; letter-spacing: .1em; font-size: .8rem; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; color: #fff; max-width: 850px; }
h2 { margin-top: 0; font-size: 1.2rem; color: #fff; }
p { line-height: 1.6; }
.intro { max-width: 700px; color: #cbd5e1; margin-bottom: 2rem; font-size: 1.1rem; }
.support-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.panel { padding: 1.5rem; background: #172237; border: 1px solid #334155; border-radius: 1rem; overflow-wrap: anywhere; }
aside { display: grid; gap: 1.25rem; }
aside p { color: #cbd5e1; }
label { display: block; margin: 1.2rem 0 .45rem; font-weight: 600; }
input, textarea, select { width: 100%; border: 1px solid #64748b; border-radius: .5rem; padding: .8rem; color: #fff; background: #0f172a; font: inherit; }
textarea { resize: vertical; }
:focus-visible { outline: 3px solid #7dd3fc; outline-offset: 3px; }
.hint { font-size: .85rem; color: #cbd5e1; }
button { border: 0; border-radius: .6rem; padding: .9rem 1.25rem; background: #7dd3fc; color: #0f172a; font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
#support-status { padding: 1rem; border: 1px solid currentColor; border-radius: .5rem; }
#support-status[data-state="error"] { color: #fca5a5; }
#support-status[data-state="success"] { color: #86efac; }
footer { flex-wrap: wrap; padding-block: 2rem; border-top: 1px solid #334155; font-size: .9rem; color: #94a3b8; }
@media (max-width: 760px) { .support-layout { grid-template-columns: minmax(0, 1fr); } .panel { padding: 1.25rem; } }