#portal-tutorial {
    position: fixed;
    z-index: 12003;
    box-sizing: border-box;
    margin: 0;
    width: min(400px, calc(100vw - 16px));
    max-height: calc(100dvh - 16px);
    overflow-y: auto;
    padding: 18px;
    border: 1px solid #52667b;
    border-radius: 16px;
    background: #16212e;
    color: #edf3fa;
    box-shadow: 0 16px 60px #0008;
}
#portal-tutorial[hidden], .tutorial-shade[hidden], .tutorial-ring[hidden] { display: none !important; }
.tutorial-shade { position: fixed; z-index: 12000; background: rgba(0, 0, 0, .72); }
.tutorial-ring { position: fixed; z-index: 12001; border: 3px solid #54c6ff; border-radius: 8px; pointer-events: none; box-shadow: 0 0 18px #54c6ff66; }
.tutorial-arrow { position: fixed; z-index: 12004; width: 18px; height: 20px; background: #54c6ff; clip-path: polygon(0 0, 100% 50%, 0 100%); pointer-events: none; }
#portal-tutorial h2 { font-size: 1.35rem; margin: 14px 0 10px; }
#portal-tutorial p { line-height: 1.45; margin-bottom: 10px; }
#portal-tutorial .btn-outline-secondary { color: #dde7f1; border-color: #718397; }
.tutorial-heading, .tutorial-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#portal-tutorial-progress, #portal-tutorial-location { color: #b2c5d8; font-size: .8rem; }
#portal-tutorial-location { border-top: 1px solid #52667b; padding-top: 12px; }
.portal-tutorial-highlight { outline: 3px solid #54c6ff !important; outline-offset: -3px; border-radius: 6px; }