Bootstrap 5 Weather Forecast Sidebar

<section class="wdw-stage">
  <div class="container" style="max-width:520px">
    <aside class="wdw-card overflow-hidden" aria-label="Weather forecast">
      <div class="wdw-aurora p-4 p-sm-5">
        <div class="d-flex justify-content-between align-items-start">
          <div>
            <h2 class="h4 fw-bold mb-0">New Delhi</h2>
            <small class="opacity-75">Sunday, 15 March</small>
          </div>
          <div class="d-flex align-items-center gap-3">
            <svg class="flex-shrink-0" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M20 16.2A4.5 4.5 0 0 0 18 8h-1.3A7 7 0 1 0 4 14.3"/><path d="M8 19v2M12 19v2M16 19v2"/></svg>
            <div class="text-end">
              <span class="fs-1 fw-bold lh-1"><span id="wxNow" data-c="32">32</span>°</span>
              <div class="small opacity-75">Rainy</div>
            </div>
          </div>
        </div>
      </div>
      <div class="p-4 p-sm-5">
        <div class="d-flex justify-content-between align-items-center mb-3 gap-3">
          <h3 class="h6 fw-bold mb-0">5-day forecast</h3>
          <div class="d-flex gap-2" role="group" aria-label="Temperature unit">
            <input type="radio" class="btn-check" name="wxUnit" id="wxC" value="C" checked>
            <label class="btn btn-outline-primary rounded-pill px-3" for="wxC">°C</label>
            <input type="radio" class="btn-check" name="wxUnit" id="wxF" value="F">
            <label class="btn btn-outline-primary rounded-pill px-3" for="wxF">°F</label>
          </div>
        </div>
        <ul class="list-unstyled mb-0" id="wxList" aria-live="polite">
          <li class="fc-row" data-hi="31" data-lo="25"><span class="fc-day">Mon</span><svg class="text-primary flex-shrink-0" width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M20 16.2A4.5 4.5 0 0 0 18 8h-1.3A7 7 0 1 0 4 14.3"/><path d="M8 19v2M12 19v2M16 19v2"/></svg><span class="fc-cond text-truncate">Light rain</span><span class="fc-lo">25°</span><div class="fc-range progress" role="presentation"><div class="progress-bar" style="margin-left:19%;width:38%"></div></div><span class="fc-hi">31°</span></li>
          <li class="fc-row" data-hi="34" data-lo="26"><span class="fc-day">Tue</span><svg class="text-primary flex-shrink-0" width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg><span class="fc-cond text-truncate">Sunny</span><span class="fc-lo">26°</span><div class="fc-range progress" role="presentation"><div class="progress-bar" style="margin-left:25%;width:50%"></div></div><span class="fc-hi">34°</span></li>
          <li class="fc-row" data-hi="33" data-lo="25"><span class="fc-day">Wed</span><svg class="text-primary flex-shrink-0" width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M17.5 19H9a7 7 0 1 1 6.7-9h1.8a4.5 4.5 0 1 1 0 9z"/></svg><span class="fc-cond text-truncate">Partly cloudy</span><span class="fc-lo">25°</span><div class="fc-range progress" role="presentation"><div class="progress-bar" style="margin-left:19%;width:50%"></div></div><span class="fc-hi">33°</span></li>
          <li class="fc-row" data-hi="29" data-lo="24"><span class="fc-day">Thu</span><svg class="text-primary flex-shrink-0" width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M19 16.9A5 5 0 0 0 18 7h-1.26a8 8 0 1 0-11.62 9"/><path d="m13 11-4 6h6l-4 6"/></svg><span class="fc-cond text-truncate">Thunderstorms</span><span class="fc-lo">24°</span><div class="fc-range progress" role="presentation"><div class="progress-bar" style="margin-left:12%;width:31%"></div></div><span class="fc-hi">29°</span></li>
          <li class="fc-row" data-hi="35" data-lo="27"><span class="fc-day">Fri</span><svg class="text-primary flex-shrink-0" width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg><span class="fc-cond text-truncate">Sunny</span><span class="fc-lo">27°</span><div class="fc-range progress" role="presentation"><div class="progress-bar" style="margin-left:31%;width:50%"></div></div><span class="fc-hi">35°</span></li>
        </ul>
      </div>
    </aside>
  </div>
</section>

/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
   Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root,
[data-bs-theme="light"] {
  --wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-family: var(--wdw-font);
  --bs-primary: #4f46e5;
  --bs-primary-rgb: 79, 70, 229;
  --bs-primary-text-emphasis: #3730a3;
  --bs-primary-bg-subtle: #eef2ff;
  --bs-primary-border-subtle: #c7d2fe;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4338ca;
  --bs-link-hover-color-rgb: 67, 56, 202;
  --bs-focus-ring-color: rgba(79, 70, 229, 0.25);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --wdw-radius-card: 1.25rem;
  --wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
  --wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
  --wdw-stage: #f5f6fb;
}

[data-bs-theme="dark"] {
  --bs-primary: #818cf8;
  --bs-primary-rgb: 129, 140, 248;
  --bs-primary-text-emphasis: #c7d2fe;
  --bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
  --bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
  --bs-link-color: #a5b4fc;
  --bs-link-color-rgb: 165, 180, 252;
  --bs-link-hover-color: #c7d2fe;
  --bs-link-hover-color-rgb: 199, 210, 254;
  --bs-focus-ring-color: rgba(129, 140, 248, 0.35);
  --wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
  --wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
  --wdw-stage: #0f1117;
}

body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }

/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
  --bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
  --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
  --bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }

/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }

/* Component */
.fc-row { display: flex; align-items: center; gap: .85rem; padding: .85rem 0; border-top: 1px solid var(--bs-border-color-translucent); }
.fc-row:first-child { border-top: 0; }
.fc-day { width: 2.75rem; font-weight: 600; }
.fc-cond { flex: 1; min-width: 0; color: var(--bs-secondary-color); font-size: .875rem; }
.fc-lo, .fc-hi { font-variant-numeric: tabular-nums; width: 2.5rem; text-align: right; font-weight: 700; }
.fc-lo { color: var(--bs-secondary-color); font-weight: 500; }
.fc-hi { text-align: left; }
.fc-range { width: 4.5rem; height: .4rem; flex: none; background: var(--bs-secondary-bg); }
.fc-range .progress-bar { border-radius: 99px; }
@media (max-width: 380px) { .fc-cond { display: none; } .fc-range { flex: 1; } }

(function initForecast() {
  var list = document.getElementById('wxList');
  if (!list) return;
  var now = document.getElementById('wxNow');
  function conv(c, unit) { return unit === 'C' ? c : Math.round(c * 9 / 5 + 32); }
  function render(unit) {
    list.querySelectorAll('.fc-row').forEach(function (row) {
      row.querySelector('.fc-hi').innerHTML = conv(+row.dataset.hi, unit) + '°';
      row.querySelector('.fc-lo').innerHTML = conv(+row.dataset.lo, unit) + '°';
    });
    if (now) now.textContent = conv(+now.dataset.c, unit);
  }
  document.querySelectorAll('input[name="wxUnit"]').forEach(function (r) {
    r.addEventListener('change', function () { render(r.value); });
  });
})();