:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #25302c; background: #f3f5f1; font-size: 16px; }
* { box-sizing: border-box; }
body { margin: 0; }
.workspace { width: min(850px, calc(100% - 32px)); margin: 40px auto 24px; }
.eyebrow { font-size: .7rem; font-weight: 700; letter-spacing: .15em; color: #596e60; }
h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); letter-spacing: -.04em; margin: 8px 0; }
.subtitle { color: #56615a; margin: 0 0 18px; line-height: 1.5; }
.warning { background: #fff0d7; color: #775014; padding: 12px 14px; border: 1px solid #e8d2a8; border-radius: 10px; font-size: .88rem; line-height: 1.5; }
.status { color: #57635b; font-size: .8rem; line-height: 1.5; min-height: 1.5em; }
.chat-panel { background: #fff; border: 1px solid #dce2db; border-radius: 18px; overflow: hidden; box-shadow: 0 12px 40px #263d2410; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px 8px; }
h2 { font-size: .95rem; margin: 0; }
button, input, textarea { font: inherit; }
button { cursor: pointer; border: 0; border-radius: 8px; font-weight: 600; }
.quiet-button { background: #eef2ed; color: #526052; font-size: .75rem; padding: 8px 10px; }
.context-note { padding: 0 20px; margin: 4px 0 12px; font-size: .78rem; color: #647064; line-height: 1.6; }
.messages { min-height: 240px; max-height: 440px; overflow-y: auto; padding: 4px 20px 16px; border-bottom: 1px solid #e5e9e2; }
.empty-state { color: #6d776e; text-align: center; font-size: .87rem; line-height: 1.8; padding: 55px 0 30px; }
.message { margin: 12px 0; border-radius: 10px; padding: 12px 14px; background: #f0f4ef; }
.message.user { background: #ecf2f7; margin-left: 32px; }
.message.model { margin-right: 32px; }
.message-label { font-size: .68rem; letter-spacing: .03em; font-weight: 700; color: #60705e; display: block; margin-bottom: 6px; }
.message-text { margin: 0; font-size: .92rem; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
form { padding: 20px; }
label { display: block; font-size: .83rem; font-weight: 600; }
textarea { display: block; width: 100%; resize: vertical; min-height: 95px; max-height: 300px; border: 1px solid #c9d3c6; border-radius: 9px; padding: 12px; margin-top: 8px; line-height: 1.5; color: inherit; }
.settings { margin: 12px 0; font-size: .8rem; color: #53614e; }
summary { cursor: pointer; padding: 4px 0; }
.settings-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding-top: 12px; }
.settings-grid label { font-size: .74rem; }
input { width: 100%; padding: 7px 8px; border: 1px solid #ccd4c8; border-radius: 6px; margin-top: 6px; font-size: .83rem; }
.composer-footer { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.composer-footer p { color: #717b6c; font-size: .72rem; }
#send { background: #2f5941; color: #fff; min-width: 105px; padding: 11px 16px; }
button:disabled { opacity: .5; cursor: wait; }
button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible, .messages:focus-visible { outline: 3px solid #86a47c; outline-offset: 3px; }
.request-status { color: #61745a; font-size: .8rem; margin: 4px 0 0; min-height: 1.2em; }
.error { color: #9a3535; background: #fff0ee; padding: 10px; border-radius: 6px; font-size: .82rem; }
footer { padding: 16px 6px; color: #6b7568; font-size: .72rem; line-height: 1.7; }
@media (max-width: 560px) { .workspace { margin-top: 24px; } .settings-grid { grid-template-columns: repeat(2, 1fr); } .messages { padding-left: 12px; padding-right: 12px; } form { padding: 16px; } .message.user { margin-left: 15px; } .message.model { margin-right: 15px; } .composer-footer p { max-width: 150px; } }
.connection-settings { background: #fff; border: 1px solid #dce2db; border-radius: 12px; margin: 16px 0; padding: 12px 16px; font-size: .85rem; }
.connection-settings > summary { color: #365441; font-weight: 600; }
.connection-help { color: #647064; font-size: .78rem; line-height: 1.65; margin: 8px 0; }
#connection-form { padding: 6px 0 0; }
#backend-url { margin-top: 8px; font-size: .87rem; padding: 10px; }
.connection-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
#connect { background: #2f5941; color: #fff; padding: 9px 12px; font-size: .8rem; }