:root { color-scheme: light; font-family: Inter, system-ui, sans-serif; color: #172033; background: #f2f5f9; }
* { box-sizing: border-box; }
body { margin: 0; }
header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px max(24px, calc((100% - 980px) / 2)); background: #172033; color: white; }
h1, h2, p { margin-top: 0; }
header h1 { margin-bottom: 4px; font-size: 22px; }
header p { margin-bottom: 0; color: #b9c4d7; }
main { max-width: 980px; margin: 28px auto; padding: 0 24px 40px; }
.card, .login-card { background: white; border: 1px solid #dce3ed; border-radius: 12px; padding: 24px; box-shadow: 0 8px 24px rgba(23,32,51,.06); margin-bottom: 22px; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); }
.muted { color: #68758b; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; font-weight: 600; }
input, select { width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid #bbc6d6; border-radius: 7px; background: white; font: inherit; }
input[type=file] { padding: 8px; }
button { width: fit-content; border: 0; border-radius: 7px; padding: 11px 18px; background: #2563eb; color: white; font-weight: 700; cursor: pointer; }
button.secondary { background: #465269; }
button.danger { background: #c83232; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.alert { padding: 13px 15px; border-radius: 8px; margin-bottom: 18px; overflow-wrap: anywhere; }
.alert.success { background: #e8f8ee; color: #176637; border: 1px solid #bde7ca; }
.alert.error { background: #fff0f0; color: #9d2525; border: 1px solid #f0c3c3; }
.preview { display: block; max-width: min(100%, 480px); max-height: 420px; object-fit: contain; border: 1px solid #dce3ed; border-radius: 8px; margin: 16px 0; }
a { color: #245fca; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } header { align-items: flex-start; } }