/* Только добавленная панель демо и приветствие. Стили предметных экранов не меняются. */
#demo-toggle {
    position: fixed;
    right: 22px;
    bottom: 82px;
    z-index: 2147482000;
    width: auto;
    min-width: 72px;
    height: 44px;
    padding: 0 14px;
    border-radius: 22px;
    border: 1px solid #c6d6ee;
    background: #fff;
    color: #2c5fa9;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    box-shadow: 0 3px 14px rgba(30, 55, 90, .16);
    cursor: pointer;
}
#demo-toggle:hover,
#demo-toggle[aria-expanded="true"] { background: #edf4ff; }
#demo-toggle:focus-visible,
#demo-tour button:focus-visible,
#demo-intro button:focus-visible { outline: 3px solid #5c8fe3; outline-offset: 3px; }
#demo-intro a:focus-visible { outline: 3px solid #5c8fe3; outline-offset: 3px; }
#demo-tour {
    position: fixed;
    right: 22px;
    bottom: 138px;
    z-index: 2147481999;
    width: min(380px, calc(100vw - 32px));
}
#demo-tour[hidden],
#demo-intro[hidden] { display: none; }
#demo-tour .demo-tour-card {
    margin: 0;
    overflow: auto;
    border: 1px solid #d9e2ef;
    border-radius: 12px;
    box-shadow: 0 10px 38px rgba(23, 40, 63, .2);
    background: var(--bs-body-bg, #fff);
}
#demo-tour .card-body { padding: 18px; }
.demo-tour-header,
.demo-intro-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.demo-tour-header strong { color: #253a55; font-size: 17px; }
.demo-tour-label { color: #68788e; font-size: 11px; letter-spacing: .04em; margin-bottom: 4px; }
.demo-tour-controls { display: flex; align-items: center; gap: 10px; margin: 17px 0 14px; }
.demo-tour-controls label { flex: 0 0 auto; margin: 0; font-size: 12px; color: #627189; }
.demo-tour-controls select { width: 100%; min-width: 0; }
.demo-tour-summary,
.demo-tour-step-text { font-size: 13px; line-height: 1.55; margin: 0 0 15px; }
.demo-tour-scenarios { display: grid; gap: 8px; }
#demo-tour .demo-tour-scenario { display: block; width: 100%; text-align: left; white-space: normal; padding: 11px 12px; }
.demo-tour-scenario-title { display: block; font-size: 13px; font-weight: 600; }
.demo-tour-scenario-description { display: block; font-size: 12px; color: #627189; margin-top: 4px; font-weight: 400; }
.demo-tour-done { color: #27916b; }
.demo-tour-step-counter { margin: 8px 0; font-size: 12px; color: #627189; }
.demo-tour-progress { height: 4px; border-radius: 2px; background: #e7edf5; overflow: hidden; }
.demo-tour-progress span { display: block; height: 100%; background: #5a86ce; }
.demo-tour-step-title { margin: 18px 0 10px; color: #253a55; }
.demo-tour-navigation { display: flex; flex-wrap: wrap; gap: 7px; }
.demo-tour-navigation .btn-primary { margin-left: auto; }
.demo-tour-save-note { margin: 14px 0 0; color: #7b6d4b; font-size: 11px; line-height: 1.5; }
.demo-tour-message { margin: 12px 0 0; font-size: 12px; line-height: 1.5; }
.demo-tour-footer { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 14px; margin-top: 14px; border-top: 1px solid #e4e9f0; }
.demo-tour-footer button:last-child { margin-left: auto; }
.demo-tour-local-note { color: #748096; font-size: 10px; line-height: 1.5; margin-top: 12px; }
.demo-tour-highlight { outline: 3px solid rgba(68, 122, 207, .75); outline-offset: 4px; scroll-margin: 90px 20px 30px; }
#demo-intro {
    position: fixed;
    inset: 0;
    z-index: 2147482500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(22, 35, 56, .42);
}
#demo-intro .demo-intro-card {
    display: flex;
    flex-direction: column;
    width: min(720px, 100%);
    max-height: calc(100dvh - 48px);
    margin: 0;
    overflow: hidden;
    border: 0;
    border-radius: 14px;
    box-shadow: 0 20px 70px rgba(12, 29, 54, .25);
    background: var(--bs-body-bg, #fff);
}
.demo-intro-header { padding: 24px 28px 16px; flex: 0 0 auto; }
.demo-intro-header h2 { margin: 0; color: #253a55; font-size: 26px; }
.demo-intro-body { padding: 0 28px 12px; overflow: auto; }
.demo-intro-lead { margin: 0 0 20px; font-size: 15px; line-height: 1.6; }
.demo-intro-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.demo-intro-steps > div { padding: 14px; border: 1px solid #e0e8f4; border-radius: 9px; background: #f7faff; }
.demo-intro-steps span { display: block; width: 26px; height: 26px; line-height: 26px; text-align: center; color: #3567af; background: #e3edfd; border-radius: 50%; margin-bottom: 10px; font-weight: 600; }
.demo-intro-steps strong { display: block; color: #253a55; font-size: 13px; }
.demo-intro-steps p { margin: 7px 0 0; color: #627189; line-height: 1.5; font-size: 12px; }
.demo-intro-body h3 { margin: 0 0 10px; color: #253a55; font-size: 16px; }
.demo-intro-calendar { display: flex; align-items: flex-start; gap: 12px; padding: 13px 14px; margin: -5px 0 22px; border-radius: 9px; background: #edf3fb; }
.demo-intro-calendar > i { color: #3567af; font-size: 24px; line-height: 1.25; }
.demo-intro-calendar strong { color: #253a55; font-size: 13px; }
.demo-intro-calendar p { color: #627189; font-size: 12px; line-height: 1.5; margin: 5px 0 0; }
.demo-intro-scenarios { display: grid; gap: 10px; margin-bottom: 20px; }
.demo-intro-scenarios > div { padding-left: 12px; border-left: 2px solid #d2def0; }
.demo-intro-scenarios strong { display: block; font-size: 13px; }
.demo-intro-scenarios span { display: block; margin-top: 3px; color: #627189; font-size: 12px; }
.demo-intro-notice { padding: 12px 14px; border: 1px solid #dce9e4; background: #f2f8f5; border-radius: 9px; font-size: 12px; line-height: 1.6; }
.demo-intro-help { margin: 12px 0 0; color: #627189; font-size: 12px; line-height: 1.5; }
.demo-intro-footer { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; padding: 18px 28px; border-top: 1px solid #e6ebf2; flex: 0 0 auto; }
@media (max-width: 640px) {
    #demo-toggle { right: 16px; }
    #demo-tour { right: 16px; }
    #demo-tour .card-body { padding: 15px; }
    #demo-intro { padding: 12px; }
    #demo-intro .demo-intro-card { max-height: calc(100dvh - 24px); }
    .demo-intro-header { padding: 20px 18px 12px; }
    .demo-intro-header h2 { font-size: 22px; }
    .demo-intro-body { padding: 0 18px 12px; }
    .demo-intro-lead { font-size: 13px; }
    .demo-intro-steps { grid-template-columns: 1fr; gap: 8px; margin-bottom: 18px; }
    .demo-intro-steps > div { padding: 11px 12px 11px 50px; position: relative; }
    .demo-intro-steps span { position: absolute; left: 12px; top: 12px; }
    .demo-intro-steps p { margin-top: 4px; }
    .demo-intro-footer { padding: 14px 18px; }
    .demo-intro-footer .btn { flex: 1 1 200px; }
}
@media (prefers-reduced-motion: reduce) {
    #demo-tour *,
    #demo-intro *,
    #demo-toggle { scroll-behavior: auto; transition: none; }
}