:root {
    color-scheme: dark;
    font-family: Arial, Helvetica, sans-serif;
    background: #15171d;
    color: #f1f4f8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #15171d;
}

button,
input,
textarea {
    font: inherit;
}

button {
    background: #2f6fed;
    border: 0;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    min-height: 36px;
    padding: 0 12px;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

button:hover:not(:disabled) {
    background: #3f7cff;
}

.top-nav {
    align-items: center;
    background: #20242d;
    border-bottom: 1px solid #343b49;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    min-height: 56px;
    padding: 9px 18px;
}

.nav-links {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.nav-links a {
    border-radius: 6px;
    color: #f1f4f8;
    padding: 8px 10px;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    background: #303746;
}

.status-pill {
    background: #151922;
    border: 1px solid #3a4252;
    border-radius: 999px;
    color: #dce5f4;
    font-size: 13px;
    font-weight: 700;
    padding: 7px 12px;
    white-space: nowrap;
}

main {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.workspace {
    display: grid;
    gap: 14px;
    grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
}

.panel {
    background: #20242d;
    border: 1px solid #343b49;
    border-radius: 8px;
    display: grid;
    gap: 12px;
    min-width: 0;
    padding: 14px;
}

.identity-panel {
    align-items: end;
    grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
}

header {
    display: grid;
    gap: 5px;
}

h2 {
    font-size: 17px;
    margin: 0;
}

p {
    color: #b9c2d3;
    font-size: 13px;
    line-height: 1.35;
    margin: 0;
}

label {
    display: grid;
    gap: 6px;
}

label span {
    color: #b9c2d3;
    font-size: 12px;
}

input,
textarea {
    background: #151922;
    border: 1px solid #3a4252;
    border-radius: 6px;
    color: #f1f4f8;
    min-height: 36px;
    padding: 8px 10px;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

code {
    background: #151922;
    border: 1px solid #343b49;
    border-radius: 5px;
    color: #dce5f4;
    padding: 2px 5px;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hint {
    font-size: 12px;
}

.chat-panel,
.log-panel {
    grid-template-rows: auto minmax(180px, 1fr) auto;
}

.message-log,
.event-log {
    align-content: start;
    background: #151922;
    border: 1px solid #343b49;
    border-radius: 6px;
    display: grid;
    gap: 8px;
    min-height: 220px;
    overflow: auto;
    padding: 10px;
}

.peer-list {
    align-items: center;
    background: #151922;
    border: 1px solid #343b49;
    border-radius: 6px;
    color: #c8d2e2;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 36px;
    padding: 7px 9px;
}

.peer-chip {
    background: #263246;
    border: 1px solid #40506a;
    border-radius: 999px;
    color: #dce5f4;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 8px;
}

.event-log {
    color: #c8d2e2;
    font-family: Consolas, "Courier New", monospace;
    font-size: 12px;
    line-height: 1.4;
}

.message {
    border: 1px solid #344154;
    border-radius: 6px;
    display: grid;
    gap: 3px;
    padding: 8px 10px;
}

.message.local {
    background: #17263d;
    border-color: #355f9d;
}

.message.remote {
    background: #1c2a20;
    border-color: #3d6e49;
}

.message-meta {
    color: #b9c2d3;
    font-size: 11px;
}

.message-text {
    overflow-wrap: anywhere;
}

.message-form {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto;
}

@media (max-width: 860px) {
    .workspace,
    .identity-panel {
        grid-template-columns: 1fr;
    }

    .top-nav {
        align-items: stretch;
        flex-direction: column;
    }
}