:root {
	color-scheme: dark;
	--bg: #0b1220;
	--bg-panel: #121b2e;
	--bg-panel-2: #0f1727;
	--border: #25324a;
	--text: #ecf2ff;
	--muted: #9fb0cf;
	--success: #1b8f5a;
	--error: #a93c4a;
	--accent: #4c83ff;
	--accent-soft: rgba(76, 131, 255, 0.18);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: linear-gradient(180deg, #09101d 0%, #0b1220 100%); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { border: 0; border-radius: 14px; padding: 12px 16px; background: var(--accent); color: white; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
input, select, textarea { width: 100%; border-radius: 14px; border: 1px solid var(--border); background: var(--bg-panel-2); color: var(--text); padding: 12px 14px; }
textarea { resize: vertical; min-height: 120px; }
label { display: grid; gap: 8px; }
label span, .label { font-size: 13px; font-weight: 600; color: var(--muted); }
.app-shell { max-width: 1720px; margin: 0 auto; padding: 20px; }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: start; margin-bottom: 18px; }
.topbar h1, .panel h2, .settings-panel h2, .settings-panel h3 { margin: 0; }
.muted { margin: 8px 0 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 12px; align-items: stretch; }
.status-box, .message-box, .contact-create-row, .contact-item, .empty-state, .message-item, .settings-section, .auth-pane { background: rgba(15, 23, 39, 0.84); border: 1px solid var(--border); border-radius: 16px; }
.status-box { padding: 12px 16px; min-width: 184px; }
.icon-button, .button-secondary { background: #22304b; }
.small-button { padding: 10px 14px; }
.panel { background: rgba(18, 27, 46, 0.92); border: 1px solid var(--border); border-radius: 24px; padding: 18px; box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28); }
.login-strip { margin-bottom: 18px; display: grid; gap: 14px; }
.login-strip-main { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.compact-tabs { min-width: 260px; }
.auth-tabs { display: flex; gap: 8px; }
.auth-tab { flex: 1; background: transparent; border: 1px solid var(--border); color: var(--muted); }
.auth-tab.is-active { background: var(--accent-soft); color: var(--text); border-color: rgba(76, 131, 255, 0.45); }
.auth-pane { display: none; padding: 14px; }
.auth-pane-active { display: grid; gap: 12px; }
.login-inline-grid { display: grid; grid-template-columns: minmax(220px, 340px) auto; gap: 12px; align-items: end; }
.manual-login-grid { grid-template-columns: minmax(180px, 240px) minmax(260px, 1fr) auto; }
.workspace-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 18px; }
.contacts-panel { display: grid; grid-template-rows: auto auto 1fr; gap: 14px; min-height: 76vh; }
.sidebar-header { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.compact-create-row { padding: 12px; display: grid; gap: 12px; }
.contacts-list { display: grid; gap: 10px; align-content: start; overflow: auto; min-height: 0; }
.contact-item { display: grid; gap: 6px; text-align: left; padding: 14px; background: rgba(15, 23, 39, 0.86); }
.contact-item span { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contact-item.is-active { border-color: rgba(76, 131, 255, 0.45); background: rgba(19, 33, 66, 0.95); }
.empty-state { padding: 18px; color: var(--muted); line-height: 1.5; }
.chat-panel { display: grid; grid-template-rows: auto 1fr auto; gap: 16px; min-height: 76vh; }
.chat-header-row { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.chat-header-actions { display: grid; grid-template-columns: minmax(180px, 1fr) auto; gap: 12px; align-items: end; }
.status-select-wrap, .stack-row, .settings-grid, .composer, .contact-create-row { display: grid; gap: 14px; }
.messages { overflow: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; min-height: 420px; background: rgba(15, 23, 39, 0.84); border: 1px solid var(--border); border-radius: 18px; }
.message-item { padding: 12px 14px; border-radius: 14px; background: rgba(10, 17, 30, 0.9); }
.message-item.mine { border-color: rgba(76, 131, 255, 0.4); background: rgba(19, 33, 66, 0.95); }
.message-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.message-text { white-space: pre-wrap; word-break: break-word; line-height: 1.55; }
.message-box { padding: 12px 14px; line-height: 1.55; }
.message-neutral { color: var(--muted); }
.message-success { color: #7ae0b1; border-color: rgba(27, 143, 90, 0.5); }
.message-error { color: #ffb4c0; border-color: rgba(169, 60, 74, 0.5); }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
.compact-row button { flex: 1; }
.settings-drawer { position: fixed; inset: 0; pointer-events: none; }
.settings-drawer.is-open { pointer-events: auto; }
.settings-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.5); opacity: 0; transition: opacity 0.2s ease; }
.settings-drawer.is-open .settings-overlay { opacity: 1; }
.settings-panel { position: absolute; top: 0; right: 0; width: min(560px, 100%); height: 100%; padding: 24px; background: #0f1727; border-left: 1px solid var(--border); transform: translateX(100%); transition: transform 0.22s ease; overflow: auto; }
.settings-drawer.is-open .settings-panel { transform: translateX(0); }
.settings-header { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 16px; }
.settings-section { padding: 16px; margin-bottom: 16px; }
.settings-section h3 { margin-bottom: 12px; }
.value { margin-top: 6px; word-break: break-word; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 13px; }
.masked-value { filter: blur(6px); user-select: none; }
@media (max-width: 1100px) {
	.workspace-grid { grid-template-columns: 1fr; }
	.contacts-panel, .chat-panel { min-height: auto; }
}
@media (max-width: 840px) {
	.topbar, .topbar-actions, .chat-header-row, .chat-header-actions, .login-strip-main, .login-inline-grid, .manual-login-grid { display: grid; grid-template-columns: 1fr; }
	.compact-tabs { min-width: 0; }
}