/* AI Chat Widget — self-contained module styles */
.chat-widget {
    --chat-accent: #d84664;
    --chat-accent2: #87346d;
    --chat-grad: linear-gradient(135deg, #87346d 0%, #d84664 100%);
    --chat-line: rgba(255,255,255,.1);
    --chat-muted: rgba(255,255,255,.58);
    position: fixed;
    right: max(16px, 2vw);
    bottom: max(16px, 2vw);
    z-index: 150;
    font-family: 'Manrope', system-ui, sans-serif;
    font-size: 14px;
}
.visually-hidden { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }

.chat-widget__backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: -1;
    background: rgba(4, 4, 8, .62);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity .3s ease;
}
.chat-widget.is-open .chat-widget__backdrop {
    display: block;
    opacity: 1;
}

.chat-widget__toggle {
    position: relative;
    z-index: 2;
    width: 54px;
    height: 54px;
    border: none;
    border-radius: 50%;
    background: var(--chat-grad);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 12px 36px -8px rgba(216,70,100,.65);
    display: grid;
    place-items: center;
    transition: transform .25s;
    -webkit-tap-highlight-color: transparent;
}
.chat-widget__toggle:hover { transform: translateY(-3px) scale(1.04); }
.chat-widget__toggle.has-badge { animation: chat-pulse 2.4s ease-in-out infinite; }
@keyframes chat-pulse {
    0%,100% { box-shadow: 0 12px 36px -8px rgba(216,70,100,.65), 0 0 0 0 rgba(216,70,100,.45); }
    50% { box-shadow: 0 12px 36px -8px rgba(216,70,100,.65), 0 0 0 10px rgba(216,70,100,0); }
}
.chat-widget__toggle-icon { width: 22px; height: 22px; transition: opacity .25s, transform .3s; }
.chat-widget__toggle-icon--close { position: absolute; opacity: 0; transform: rotate(-90deg) scale(.6); }
.chat-widget__toggle.is-open .chat-widget__toggle-icon--open { opacity: 0; transform: rotate(90deg) scale(.6); }
.chat-widget__toggle.is-open .chat-widget__toggle-icon--close { opacity: 1; transform: none; }
.chat-widget__badge { position: absolute; top: -2px; right: -2px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 50px; background: #fff; color: var(--chat-accent); font-size: 11px; font-weight: 800; display: grid; place-items: center; }
.chat-widget__badge[hidden], .chat-widget__teaser[hidden], .chat-widget__panel[hidden], .chat-widget__typing[hidden], .chat-widget__backdrop[hidden] { display: none !important; }

.chat-widget__teaser {
    position: absolute;
    right: 0;
    bottom: calc(100% + 12px);
    width: min(300px, calc(100vw - 32px));
    display: flex;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 13px;
    background: rgba(13,13,20,.92);
    border: 1px solid var(--chat-line);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 20px 50px -20px rgba(0,0,0,.7);
    cursor: pointer;
}
.chat-widget__teaser-close { position: absolute; top: 8px; right: 8px; width: 22px; height: 22px; border: none; border-radius: 50%; background: rgba(255,255,255,.06); color: var(--chat-muted); cursor: pointer; display: grid; place-items: center; }
.chat-widget__teaser-avatar, .chat-widget__avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--chat-grad); display: grid; place-items: center; flex-shrink: 0; }
.chat-widget__avatar { width: 40px; height: 40px; position: relative; }
.chat-widget__teaser-avatar .chat-avatar-icon, .chat-widget__avatar .chat-avatar-icon { width: 20px; height: 20px; color: #fff; }
.chat-widget__avatar .chat-avatar-icon { width: 22px; height: 22px; }
.chat-widget__avatar-dot { position: absolute; bottom: 1px; right: 1px; width: 10px; height: 10px; border-radius: 50%; background: #3dd68c; border: 2px solid rgba(10,10,16,.94); }
.chat-widget__teaser-name { font-weight: 700; font-size: 12px; display: block; }
.chat-widget__teaser-text { color: var(--chat-muted); font-size: 12px; margin: 0; padding-right: 16px; }

.chat-widget__panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + 14px);
    width: min(380px, calc(100vw - 32px));
    height: min(520px, calc(100vh - 120px));
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    background: rgba(10,10,16,.94);
    border: 1px solid var(--chat-line);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 28px 80px -24px rgba(0,0,0,.85);
    overflow: hidden;
}
.chat-widget__handle {
    display: none;
}
.chat-widget__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--chat-line);
    flex-shrink: 0;
}
.chat-widget__head-info { display: flex; align-items: center; gap: 12px; min-width: 0; }
.chat-widget__title { font-weight: 700; font-size: 15px; color: #fff; }
.chat-widget__status { font-size: 11px; color: var(--chat-muted); }
.chat-widget__close {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    color: var(--chat-muted);
    cursor: pointer;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.chat-widget__close:hover { color: #fff; background: rgba(255,255,255,.08); }
.chat-widget__close svg { width: 16px; height: 16px; }

.chat-widget__messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}
.chat-msg { display: flex; max-width: 88%; }
.chat-msg--bot { align-self: flex-start; }
.chat-msg--user { align-self: flex-end; }
.chat-msg__bubble { padding: 10px 14px; border-radius: 16px; line-height: 1.5; }
.chat-msg--bot .chat-msg__bubble { background: rgba(255,255,255,.06); border: 1px solid var(--chat-line); border-bottom-left-radius: 4px; }
.chat-msg--user .chat-msg__bubble { background: var(--chat-grad); border-bottom-right-radius: 4px; }
.chat-msg__text { margin: 0; font-size: 13px; white-space: pre-wrap; word-break: break-word; color: #fff; }
.chat-msg__time { display: block; margin-top: 4px; font-size: 10px; opacity: .55; text-align: right; }

.chat-widget__typing { display: flex; gap: 4px; padding: 0 16px 8px; flex-shrink: 0; }
.chat-widget__typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--chat-muted); animation: chat-typing 1.2s ease-in-out infinite; }
.chat-widget__typing span:nth-child(2) { animation-delay: .15s; }
.chat-widget__typing span:nth-child(3) { animation-delay: .3s; }
@keyframes chat-typing { 0%,60%,100%{transform:translateY(0);opacity:.4} 30%{transform:translateY(-5px);opacity:1} }

.chat-widget__form {
    display: flex;
    gap: 8px;
    padding: 12px 14px calc(14px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--chat-line);
    flex-shrink: 0;
    background: rgba(0, 0, 0, .18);
}
.chat-widget__input {
    flex: 1;
    min-width: 0;
    min-height: 44px;
    padding: 11px 14px;
    border-radius: 50px;
    border: 1px solid var(--chat-line);
    background: rgba(255,255,255,.04);
    color: #fff;
    font: inherit;
    font-size: 16px;
    outline: none;
    -webkit-appearance: none;
}
.chat-widget__input::placeholder { color: rgba(255,255,255,.4); }
.chat-widget__input:focus { border-color: rgba(216,70,100,.45); box-shadow: 0 0 0 3px rgba(216,70,100,.12); }
.chat-widget__send {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--chat-grad);
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    -webkit-tap-highlight-color: transparent;
}
.chat-widget__send:disabled { opacity: .4; cursor: not-allowed; }
.chat-widget__send svg { width: 18px; height: 18px; }

/* Блокировка скролла страницы при открытом чате */
body.chat-open {
    overflow: hidden;
    touch-action: none;
}

@media (max-width: 620px) {
    .chat-widget {
        right: max(12px, 3vw);
        bottom: max(12px, 3vw);
    }
    .chat-widget__toggle {
        width: 52px;
        height: 52px;
    }
    .chat-widget.is-open {
        inset: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        pointer-events: none;
    }
    .chat-widget.is-open .chat-widget__toggle {
        display: none;
    }
    .chat-widget.is-open .chat-widget__backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 0;
        pointer-events: auto;
    }
    .chat-widget__panel {
        position: relative;
        right: auto;
        bottom: auto;
        width: 100%;
        max-width: 100%;
        height: min(92dvh, 640px);
        max-height: calc(100dvh - env(safe-area-inset-top, 0px));
        border-radius: 20px 20px 0 0;
        z-index: 1;
        pointer-events: auto;
        animation: chat-panel-mobile .38s cubic-bezier(.22, 1, .36, 1) both;
        box-shadow: 0 -12px 48px -12px rgba(0, 0, 0, .75);
    }
    @keyframes chat-panel-mobile {
        from { transform: translateY(100%); opacity: .9; }
        to { transform: none; opacity: 1; }
    }
    .chat-widget__handle {
        display: block;
        width: 40px;
        height: 4px;
        margin: 10px auto 2px;
        border-radius: 4px;
        background: rgba(255, 255, 255, .22);
        flex-shrink: 0;
    }
    .chat-widget__head {
        padding: 10px 14px 14px;
    }
    .chat-widget__messages {
        padding: 12px 14px;
    }
    .chat-widget__form {
        padding: 10px 12px calc(12px + env(safe-area-inset-bottom, 0px));
        gap: 10px;
    }
    .chat-widget__teaser {
        width: min(280px, calc(100vw - 24px));
        bottom: calc(100% + 10px);
    }
    .chat-msg { max-width: 92%; }
    .chat-msg__text { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
    .chat-widget__panel,
    .chat-widget__toggle.has-badge { animation: none !important; }
}

@media (max-width: 620px) {
    .chat-widget__backdrop {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(4, 4, 8, .78);
    }
    .chat-widget__panel {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(10, 10, 16, .98);
    }
    .chat-widget__teaser {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(13, 13, 20, .97);
    }
}