web: start: move css to dedicated file

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

web/components/date-display/date-display.js

@@ -1,53 +1,19 @@
 import { config } from '../../core/config.js'
 
+const CSS = new URL('./date-display.css', import.meta.url).href
+
 class DateDisplay extends HTMLElement {
   #interval = null
 
   connectedCallback() {
     this.attachShadow({ mode: 'open' })
     this.shadowRoot.innerHTML = `
-      <style>
-        :host {
-          display: block;
-          background: #1e1e2e;
-          border: 1px solid #313244;
-          border-radius: 8px;
-          padding: 16px 20px;
-          font-family: monospace;
-          color: #cdd6f4;
-          min-width: 260px;
-        }
-        .label {
-          font-size: 11px;
-          text-transform: uppercase;
-          letter-spacing: 0.08em;
-          color: #6c7086;
-          margin-bottom: 6px;
-        }
-        .time {
-          font-size: 28px;
-          font-weight: 600;
-          color: #89b4fa;
-        }
-        .date {
-          font-size: 13px;
-          color: #a6adc8;
-          margin-top: 4px;
-        }
-        .agent {
-          margin-top: 12px;
-          font-size: 11px;
-          color: #585b70;
-          border-top: 1px solid #313244;
-          padding-top: 10px;
-        }
-      </style>
+      <link rel="stylesheet" href="${CSS}">
       <div class="label">Current time</div>
       <div class="time" id="time"></div>
       <div class="date" id="date"></div>
       <div class="agent">agent → <span id="agent-url"></span></div>
     `
-
     this.shadowRoot.getElementById('agent-url').textContent = config.agent_url
     this.#tick()
     this.#interval = setInterval(() => this.#tick(), 1000)