/* Canonical Rebel Network shell styles.
   Source of truth: shared-ui/shell.css.
   Byte-identical copies live at {Rebel,Escort,Dating,Chat,Stream}.UI/wwwroot/css/shell.css
   and are enforced by scripts/Validate-CrossApplicationUiConsistency.ps1.
   Rules: CSS pixels only (never rem), var(--app-*) tokens only, no hardcoded colors.
   Product differences live in Razor markup (brand mark, nav items, localized strings),
   never in this file. */

.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky-header, 100);
    height: var(--app-header-height-desktop);
    border-bottom: 1px solid var(--app-border);
    background: color-mix(in srgb, var(--app-bg) 92%, transparent);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    transition: transform 180ms ease;
}

.app-header--hidden { transform: translateY(-100%); }
.app-header:focus-within { transform: none; }

@media (prefers-reduced-motion: reduce) {
    .app-header { transition: none; }
}

.app-header__inner {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0 var(--app-header-inline-padding);
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--app-header-gap);
}

@media (max-width: 640px) {
    .app-header__inner {
        padding: 0 var(--app-page-gutter-mobile);
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .app-header__inner {
        padding: 0 var(--app-page-gutter-tablet);
    }
}

@media (min-width: 1024px) and (max-width: 1599px) {
    .app-header__inner {
        padding: 0 var(--app-page-gutter-desktop);
    }
}

@media (min-width: 1600px) {
    .app-header__inner {
        padding: 0 var(--app-page-gutter-wide);
    }
}

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--app-brand-gap);
    min-width: max-content;
    color: var(--app-text);
    font-size: var(--app-brand-font-size);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.app-brand:hover { color: var(--app-text); text-decoration: none; }

.app-brand__mark {
    width: var(--app-brand-mark-size);
    height: var(--app-brand-mark-size);
    display: block;
    flex: 0 0 auto;
    border-radius: 9px;
    object-fit: cover;
}

.app-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 0;
}

.app-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: var(--app-nav-control-height);
    padding: 6px var(--app-nav-control-padding-inline);
    border: 0;
    border-radius: var(--app-nav-control-radius);
    background: transparent;
    color: var(--app-text-muted);
    font-family: inherit;
    font-size: var(--app-nav-font-size);
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
}

.app-nav__link:hover { color: var(--app-text); background: var(--app-hover-bg); text-decoration: none; }

.app-nav__link--active { color: var(--app-accent-text); background: var(--app-accent-soft); }

.app-header__controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--app-header-actions-gap);
    min-width: 0;
    flex-shrink: 0;
}

.app-header__username {
    max-width: 120px;
    overflow: hidden;
    color: var(--app-text-muted);
    font-size: 12px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: var(--app-nav-control-height);
    padding: 6px var(--app-nav-control-padding-inline);
    border: 1px solid transparent;
    border-radius: var(--app-nav-control-radius);
    background: transparent;
    color: var(--app-text-muted);
    font-family: inherit;
    font-size: var(--app-nav-font-size);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
}

.app-auth-btn:hover { color: var(--app-text); background: var(--app-hover-bg); text-decoration: none; }

.app-auth-btn--ghost { border-color: var(--app-border); color: var(--app-text); background: transparent; }

.app-auth-btn--ghost:hover { border-color: var(--app-primary); color: var(--app-text); background: var(--app-hover-bg); }

.app-auth-btn--primary { border-color: transparent; background: var(--app-primary); color: var(--app-on-primary); }

.app-auth-btn--primary:hover { background: var(--app-primary-dark); color: var(--app-on-primary); }

.app-auth-btn--danger { color: var(--app-danger); }

.app-auth-btn--danger:hover { color: var(--app-danger); background: var(--app-danger-soft); }

.app-rebel-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: var(--app-nav-control-height);
    padding: 6px var(--app-nav-control-padding-inline) 6px 7px;
    border: 1px solid var(--app-border);
    border-radius: var(--app-nav-control-radius);
    background: transparent;
    color: var(--app-text);
    font-size: var(--app-nav-font-size);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.app-rebel-link:hover { border-color: var(--app-primary); color: var(--app-text); background: var(--app-hover-bg); text-decoration: none; }

.app-rebel-link__mark {
    width: 18px;
    height: 18px;
    display: inline-grid;
    place-items: center;
    border-radius: 5px;
    background: var(--app-button-primary-bg);
    color: var(--app-button-primary-text);
    font-size: 11px;
    font-weight: 900;
    line-height: 1;
    flex-shrink: 0;
}

.app-theme-toggle {
    width: var(--app-nav-control-height);
    height: var(--app-nav-control-height);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--app-border);
    border-radius: var(--app-nav-control-radius);
    background: transparent;
    color: var(--app-text-muted);
    cursor: pointer;
    flex-shrink: 0;
}

.app-theme-toggle:hover { border-color: var(--app-primary); color: var(--app-text); background: var(--app-hover-bg); }

.app-language-switcher {
    display: inline-flex;
    align-items: stretch;
    min-height: var(--app-nav-control-height);
    border: 1px solid var(--app-border);
    border-radius: var(--app-nav-control-radius);
    overflow: hidden;
    flex-shrink: 0;
    background: transparent;
}

.app-language-switcher__form { display: contents; }

.app-language-switcher__option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border: 0;
    border-right: 1px solid var(--app-border);
    background: transparent;
    color: var(--app-text-muted);
    font-family: inherit;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.03em;
    line-height: 1.6;
    cursor: pointer;
}

.app-language-switcher__option:last-child { border-right: 0; }
.app-language-switcher__option:hover { color: var(--app-text); background: var(--app-hover-bg); }
.app-language-switcher__option--active { color: var(--app-primary); background: color-mix(in srgb, var(--app-primary) 12%, transparent); }

.app-header .app-icon,
.app-nav__link .app-icon,
.app-auth-btn .app-icon,
.app-theme-toggle .app-icon,
.mobile-bottom-nav__item .app-icon {
    font-size: var(--app-nav-icon-size);
    flex-shrink: 0;
    line-height: 1;
}

.mobile-bottom-nav { display: none; }
.mobile-bottom-nav__form { display: contents; }

@media (max-width: 1100px) {
    .app-header__username { display: none; }
    .app-nav__link { padding-inline: 9px; }
}

@media (max-width: 1024px) {
    .app-header { height: var(--app-header-height-mobile); }
    .app-header__inner { grid-template-columns: auto minmax(0, 1fr) auto; padding: 0 var(--app-header-inline-padding-mobile); gap: var(--app-header-gap); }
    .app-brand { font-size: var(--app-brand-font-size-mobile); }
    .app-brand__mark { width: var(--app-brand-mark-size-mobile); height: var(--app-brand-mark-size-mobile); }
    .app-nav,
    .app-header__controls .app-auth-btn,
    .app-header__username { display: none; }
    .app-rebel-link {
        width: var(--app-nav-control-height-mobile);
        height: var(--app-nav-control-height-mobile);
        min-height: var(--app-nav-control-height-mobile);
        padding: 0;
        justify-content: center;
        border-radius: var(--app-nav-control-radius-mobile);
    }
    .app-rebel-link__text { display: none; }
    .app-theme-toggle {
        width: var(--app-nav-control-height-mobile);
        height: var(--app-nav-control-height-mobile);
        border-radius: var(--app-nav-control-radius-mobile);
    }
    .app-language-switcher { min-height: var(--app-nav-control-height-mobile); border-radius: var(--app-nav-control-radius-mobile); }
    .app-language-switcher__option { padding: 4px 7px; font-size: 11px; }

    .mobile-bottom-nav {
        position: fixed;
        z-index: var(--z-mobile-nav);
        left: var(--app-mobile-nav-side);
        right: var(--app-mobile-nav-side);
        bottom: calc(var(--app-mobile-nav-bottom) + env(safe-area-inset-bottom, 0px));
        height: var(--app-mobile-nav-height);
        display: flex;
        align-items: stretch;
        gap: 3px;
        padding: var(--app-mobile-nav-padding);
        overflow: hidden;
        border: 1px solid color-mix(in srgb, var(--app-primary) 20%, var(--app-border));
        border-radius: var(--app-mobile-nav-radius);
        background: color-mix(in srgb, var(--app-surface) 96%, transparent);
        box-shadow: var(--app-shadow-soft);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }

    .mobile-bottom-nav__item {
        position: relative;
        flex: 1 1 0;
        min-width: 0;
        min-height: 44px;
        display: grid;
        place-items: center;
        align-content: center;
        gap: 2px;
        padding: 6px 4px;
        border: 0;
        border-radius: var(--app-mobile-nav-item-radius);
        color: var(--app-text-muted);
        background: transparent;
        font-family: inherit;
        font-size: var(--app-mobile-nav-label-size);
        font-weight: var(--app-mobile-nav-label-weight);
        letter-spacing: normal;
        line-height: 1.2;
        text-align: center;
        text-decoration: none;
        text-transform: none;
        cursor: pointer;
        overflow-wrap: break-word;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-bottom-nav__item span {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-bottom-nav__item:hover,
    .mobile-bottom-nav__item:focus-visible { color: var(--app-text); background: var(--app-hover-bg); outline: none; }
    .mobile-bottom-nav__item:active { transform: translateY(1px) scale(0.99); }
    .mobile-bottom-nav__item .app-icon { font-size: var(--app-mobile-nav-icon-size); }

    .mobile-bottom-nav__item--active { color: var(--app-accent-text); background: var(--app-accent-soft); }

    .mobile-bottom-nav__item--cta { color: var(--app-primary); }
    .mobile-bottom-nav__item--danger { color: var(--app-danger); }
}

@media (max-width: 390px) {
    .app-header__inner { gap: 6px; padding-inline: 10px; }
    .app-brand { gap: 6px; font-size: 17px; }
    .app-language-switcher__option { padding-inline: 6px; }
}

/* Shared network rail. */
.network-navigation { background: var(--app-surface); border-bottom: 1px solid var(--app-border); }
.network-navigation__inner { width: 100%; margin: 0; padding: 0 var(--app-page-gutter-desktop); display: flex; align-items: center; min-width: 0; }
.network-navigation__label { flex: 0 0 auto; padding: 0 20px 0 0; margin-right: 8px; border-right: 1px solid var(--app-divider); color: var(--app-text-muted); font-size: 13px; font-weight: 800; line-height: 1.12; text-decoration: none; }
.network-navigation__label:hover { color: var(--app-text); text-decoration: none; }
.network-tabs { flex: 1 1 0; width: 0; min-width: 0; max-width: 100%; margin: 0; padding: 0; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; scroll-padding-inline: 16px; }
.network-tabs::-webkit-scrollbar { display: none; }
.network-tabs__track { display: flex; align-items: center; flex: 0 0 auto; gap: 6px; width: max-content; position: relative; }
.network-tab { position: relative; display: flex; flex: 0 0 auto; align-items: center; gap: 8px; min-height: 48px; padding: 0 14px; border: 1px solid transparent; border-radius: 10px 10px 0 0; color: var(--app-text-muted); font-size: 14px; font-weight: 700; line-height: 1.2; text-decoration: none; white-space: nowrap; }
.network-tab img { width: 24px; height: 24px; border-radius: 7px; flex-shrink: 0; }
.network-tab:hover { color: var(--app-text); background: var(--app-hover-bg); text-decoration: none; }
.network-tab--active { color: var(--app-accent-text); background: var(--app-accent-soft); border-color: color-mix(in srgb, var(--app-focus-accent) 30%, var(--app-border)); }

@media (max-width: 1024px) {
    .network-navigation__inner { padding: 0 var(--app-page-gutter-tablet); }
    .network-navigation__label { font-size: 12px; padding-right: 12px; }
    .network-tabs { scroll-padding-inline: 12px; }
    .network-tab { min-height: 44px; padding: 0 10px; }
}

@media (max-width: 640px) {
    .network-navigation__inner { padding: 0 var(--app-page-gutter-mobile); }
}

@media (max-width: 420px) {
    .network-navigation__label { font-size: 10px; padding-right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .network-tabs { scroll-behavior: auto; }
}

/* Shared footer. Single surface, spacing scale, and contact-link treatment. */
.app-footer { border-top: 1px solid var(--app-border); background: var(--app-surface); }
.app-footer__inner { width: 100%; margin: 0; padding: 32px var(--app-page-gutter-desktop) calc(24px + var(--app-mobile-nav-clearance, 0px)); display: grid; gap: 20px; }
.app-footer__contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--app-border);
    border-radius: 12px;
    color: var(--app-text-muted);
    background: transparent;
}
.app-footer__contact-link:hover { border-color: var(--app-primary); color: var(--app-text); background: var(--app-hover-bg); }
.app-footer__contact-link .app-svg-icon { width: 20px; height: 20px; }

@media (max-width: 640px) {
    .app-footer__inner { padding-inline: var(--app-page-gutter-mobile); }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .app-footer__inner { padding-inline: var(--app-page-gutter-tablet); }
}

@media (min-width: 1600px) {
    .app-footer__inner { padding-inline: var(--app-page-gutter-wide); }
}
.app-footer__primary { display: grid; grid-template-columns: minmax(0, 1fr); align-items: start; gap: 20px 32px; }
.app-footer__brand { display: grid; justify-items: start; gap: 8px; min-width: 0; }
.app-footer__tagline { margin: 0; max-width: 36ch; color: var(--app-text-muted); font-size: 14px; line-height: 1.5; }
.app-footer__nav { display: flex; flex-wrap: wrap; gap: 8px 32px; min-width: 0; }
.app-footer__links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; min-width: 0; }
.app-footer__links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--app-text-muted);
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    overflow-wrap: anywhere;
}
.app-footer__links a:hover { color: var(--app-primary); }
.app-footer__static { color: var(--app-text-muted); font-size: 14px; line-height: 1.5; opacity: 0.72; }
.app-footer__title { margin: 0 0 4px; color: var(--app-text); font-size: 12px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }

@media (min-width: 640px) {
    .app-footer__primary { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
    .app-footer__nav { justify-self: end; justify-content: flex-end; }
}

/* Shared page body. Single owner for bottom clearance: ordinary content
   consumes the shared navigation clearance token. Focused layouts without
   bottom navigation opt out with .app-body--no-bottom-nav. */
.app-body {
    min-height: calc(100vh - var(--app-header-height-mobile));
    min-height: calc(100dvh - var(--app-header-height-mobile) - env(safe-area-inset-top, 0px));
    padding-bottom: var(--app-mobile-nav-clearance);
}

.app-body--no-bottom-nav {
    --app-mobile-nav-clearance: 0px;
    padding-bottom: 0;
}

@media (width > 1024px) {
    .app-body {
        min-height: calc(100vh - var(--app-header-height-desktop));
        min-height: calc(100dvh - var(--app-header-height-desktop));
        padding-bottom: 0;
    }
}

/* Mobile language select: native control using the existing culture endpoint. */
.app-language-select {
    width: 76px;
    height: 44px;
    border: 1px solid var(--app-border);
    border-radius: 12px;
    background: transparent;
    color: var(--app-text);
    font-size: 13px;
    font-weight: 600;
    padding: 0 8px;
}

/* Shared helpers. */
.contents-form { display: contents; }

.app-header a:focus-visible,
.app-header button:focus-visible,
.app-footer a:focus-visible,
.network-navigation__label:focus-visible,
.network-tab:focus-visible {
    outline: 2px solid var(--app-primary);
    outline-offset: 3px;
}
.network-tab:focus-visible { outline-offset: -3px; }