/* Виджет чата поддержки и бота */
.support-chat-fab-wrap {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 10000;
    width: 56px;
    height: 56px;
    pointer-events: none;
}

.support-chat-fab-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.45);
    pointer-events: none;
    animation: support-chat-fab-pulse 2.4s ease-out infinite;
}

.support-chat-fab-pulse--delay {
    animation-delay: 1.2s;
}

.support-chat-fab-wrap.has-unread .support-chat-fab-pulse {
    background: rgba(239, 68, 68, 0.4);
    animation-duration: 1.8s;
}

.support-chat-fab-wrap.is-open .support-chat-fab-pulse {
    animation: none;
    opacity: 0;
}

@keyframes support-chat-fab-pulse {
    0% {
        transform: scale(1);
        opacity: 0.55;
    }
    70% {
        opacity: 0.12;
    }
    100% {
        transform: scale(2.35);
        opacity: 0;
    }
}

.support-chat-fab {
    position: relative;
    z-index: 1;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(29, 78, 216, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    font-family: 'DM Sans', system-ui, sans-serif;
    pointer-events: auto;
}

.support-chat-fab:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(29, 78, 216, 0.55);
}

.support-chat-fab.is-open {
    background: #64748b;
}

.support-chat-fab-wrap.is-open .support-chat-fab {
    box-shadow: 0 4px 16px rgba(100, 116, 139, 0.4);
}

.support-chat-fab-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ef4444;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.4);
}

.support-chat-panel {
    position: fixed;
    right: 20px;
    bottom: 88px;
    z-index: 10000;
    width: min(380px, calc(100vw - 32px));
    height: min(72dvh, 620px);
    max-height: calc(100dvh - 100px - var(--maintenance-notice-offset, 0px));
    display: none;
    flex-direction: column;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
    font-family: 'DM Sans', system-ui, sans-serif;
    backdrop-filter: blur(12px);
}

.support-chat-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.support-chat-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.support-chat-panel.is-open {
    display: flex;
}

.support-chat-panel--owner .support-chat-msg-row--bot {
    display: none;
}

.support-chat-panel--owner .support-chat-header {
    background: linear-gradient(135deg, #0f766e, #14b8a6);
}

.support-chat-header {
    padding: 10px 12px 8px;
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
    flex: 0 0 auto;
}

.support-chat-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 2px;
}

.support-chat-header-identity {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1 1 auto;
}

.support-chat-header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top center;
    border: 2px solid rgba(255, 255, 255, 0.55);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.15);
}

.support-chat-header-titles {
    min-width: 0;
}

.support-chat-header-sub {
    margin: 1px 0 0;
    font-size: 0.72rem;
    font-weight: 400;
    opacity: 0.9;
    line-height: 1.2;
}

.support-chat-header-owner-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    flex: 1 1 auto;
    min-width: 0;
}

.support-chat-header h3 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.support-chat-close {
    border: none;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.support-chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.support-chat-status {
    font-size: 0.72rem;
    opacity: 0.95;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.3;
}

.support-chat-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #94a3b8;
    flex-shrink: 0;
    margin-top: 3px;
}

.support-chat-status-dot.online {
    background: #4ade80;
    box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.35);
}

/* Прокручиваемая область: сообщения + быстрые кнопки */
.support-chat-body {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #f8fafc;
}

.support-chat-messages {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    -webkit-overflow-scrolling: touch;
}

.support-chat-msg {
    max-width: 92%;
    padding: 8px 11px;
    border-radius: 12px;
    font-size: 0.84rem;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.support-chat-msg-body {
    white-space: pre-wrap;
}

.support-chat-msg-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    max-width: 100%;
}

.support-chat-msg-row--bot {
    align-self: flex-start;
    max-width: 96%;
}

.support-chat-msg-row--bot .support-chat-msg.bot {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
}

.support-chat-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top center;
    flex-shrink: 0;
    border: 1px solid #e2e8f0;
    background: #fff;
}

.support-chat-msg.bot {
    align-self: flex-start;
    background: #fff;
    border: 1px solid #e2e8f0;
    color: #1e293b;
}

.support-chat-msg.admin {
    align-self: flex-start;
    background: #ecfdf5;
    border: 1px solid #6ee7b7;
    color: #064e3b;
}

.support-chat-msg.system {
    align-self: center;
    max-width: 96%;
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 0.72rem;
    text-align: center;
    padding: 2px 6px;
}

.support-chat-msg.system .support-chat-msg-body {
    background: #e2e8f0;
    border-radius: 999px;
    padding: 4px 10px;
    display: inline-block;
    line-height: 1.35;
}

.support-chat-msg.visitor {
    align-self: flex-end;
    background: #2563eb;
    color: #fff;
    border: none;
}

.support-chat-panel--owner .support-chat-msg.visitor {
    background: #0d9488;
}

.support-chat-msg-meta {
    font-size: 0.65rem;
    opacity: 0.65;
    margin-top: 3px;
}

.support-chat-msg.admin .support-chat-msg-meta {
    color: #047857;
    opacity: 0.85;
}

.support-chat-panel--owner .support-chat-quick {
    display: none !important;
}

.support-chat-quick {
    flex: 0 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 0 10px 8px;
    max-height: 72px;
    overflow-y: auto;
}

.support-chat-quick[hidden] {
    display: none !important;
}

.support-chat-quick button {
    border: 1px solid #cbd5e1;
    background: #fff;
    border-radius: 999px;
    padding: 3px 9px;
    font-size: 0.7rem;
    cursor: pointer;
    color: #334155;
    font-family: inherit;
    line-height: 1.3;
}

.support-chat-quick button:hover {
    border-color: #2563eb;
    color: #1d4ed8;
}

.support-chat-compose {
    flex: 0 0 auto;
    padding: 8px 10px 10px;
    border-top: 1px solid #e2e8f0;
    background: #fff;
    max-height: 48%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.support-chat-mode-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 6px;
}

.support-chat-mode-tabs button {
    flex: 1;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    border-radius: 8px;
    padding: 6px 6px;
    font-size: 0.76rem;
    cursor: pointer;
    font-family: inherit;
    color: #475569;
}

.support-chat-mode-tabs button.active {
    background: #eff6ff;
    border-color: #2563eb;
    color: #1d4ed8;
    font-weight: 600;
}

.support-chat-panel--owner .support-chat-mode-tabs button.active {
    background: #ecfdf5;
    border-color: #14b8a6;
    color: #0f766e;
}

.support-chat-owner-fields {
    display: none;
    margin-bottom: 6px;
}

.support-chat-owner-fields.is-visible {
    display: block;
}

.support-chat-owner-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.support-chat-owner-fields input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 6px 8px;
    font-size: 0.8rem;
    font-family: inherit;
    min-width: 0;
}

.support-chat-owner-fields input:focus {
    outline: none;
    border-color: #14b8a6;
}

.support-chat-compose textarea {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 7px 9px;
    font-size: 0.84rem;
    resize: vertical;
    min-height: 44px;
    max-height: 120px;
    font-family: inherit;
    margin-bottom: 6px;
}

.support-chat-panel--owner .support-chat-compose textarea {
    min-height: 40px;
    max-height: 96px;
}

.support-chat-compose textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.support-chat-panel--owner .support-chat-compose textarea:focus {
    border-color: #14b8a6;
}

.support-chat-send {
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 9px;
    background: #2563eb;
    color: #fff;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.support-chat-panel--owner .support-chat-send {
    background: #0d9488;
}

.support-chat-send:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.support-chat-send:hover:not(:disabled) {
    background: #1d4ed8;
}

.support-chat-panel--owner .support-chat-send:hover:not(:disabled) {
    background: #0f766e;
}

.support-chat-hint {
    font-size: 0.68rem;
    color: #64748b;
    margin: 4px 0 0;
    line-height: 1.3;
}

[data-theme="dark"] .support-chat-panel {
    background: rgba(15, 23, 42, 0.96);
    border-color: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] .support-chat-body,
[data-theme="dark"] .support-chat-messages,
[data-theme="dark"] .support-chat-quick {
    background: #0f172a;
}

[data-theme="dark"] .support-chat-msg.bot {
    background: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .support-chat-msg-avatar {
    border-color: #475569;
    background: #1e293b;
}

[data-theme="dark"] .support-chat-msg.admin {
    background: rgba(6, 78, 59, 0.45);
    border-color: #059669;
    color: #a7f3d0;
}

[data-theme="dark"] .support-chat-msg.system .support-chat-msg-body {
    background: #334155;
    color: #cbd5e1;
}

[data-theme="dark"] .support-chat-compose {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .support-chat-compose textarea,
[data-theme="dark"] .support-chat-owner-fields input {
    background: #0f172a;
    border-color: #475569;
    color: #e2e8f0;
}

[data-theme="dark"] .support-chat-mode-tabs button {
    background: #0f172a;
    border-color: #475569;
    color: #94a3b8;
}

[data-theme="dark"] .support-chat-quick button {
    background: #1e293b;
    border-color: #475569;
    color: #cbd5e1;
}

@media (prefers-reduced-motion: reduce) {
    .support-chat-fab-pulse {
        animation: none;
        opacity: 0;
    }
}

@media (max-width: 480px) {
    .support-chat-fab-wrap {
        right: 14px;
        bottom: max(14px, env(safe-area-inset-bottom));
    }

    .support-chat-panel {
        right: 0;
        left: 0;
        bottom: 0;
        width: 100%;
        max-width: none;
        height: min(88dvh, calc(100dvh - var(--maintenance-notice-offset, 0px)));
        max-height: none;
        border-radius: 16px 16px 0 0;
        margin: 0 auto;
    }

    .support-chat-owner-fields-row {
        grid-template-columns: 1fr;
    }

    .support-chat-compose {
        max-height: 52%;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }
}

@media (max-width: 768px) {
    body.support-chat-mobile-open {
        overflow: hidden;
        touch-action: none;
    }

    .support-chat-fab-wrap {
        right: max(14px, env(safe-area-inset-right));
        bottom: max(14px, env(safe-area-inset-bottom));
    }

    .support-chat-fab-wrap.is-open {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: scale(0.92);
        transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }

    .support-chat-panel {
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        z-index: 9999;
        width: 100%;
        max-width: none;
        height: min(92dvh, calc(100dvh - var(--maintenance-notice-offset, 0px)));
        max-height: none;
        border-radius: 16px 16px 0 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        box-shadow: 0 -8px 34px rgba(15, 23, 42, 0.24);
    }

    .support-chat-header {
        padding: 12px 14px 10px;
        padding-left: max(14px, env(safe-area-inset-left));
        padding-right: max(14px, env(safe-area-inset-right));
    }

    .support-chat-status {
        font-size: 0.74rem;
    }

    .support-chat-messages {
        padding: 12px;
        gap: 10px;
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }

    .support-chat-msg {
        max-width: 95%;
        font-size: 0.88rem;
        padding: 9px 12px;
    }

    .support-chat-owner-fields-row {
        grid-template-columns: 1fr;
    }

    .support-chat-compose {
        max-height: 56%;
        padding: 8px 10px max(12px, env(safe-area-inset-bottom));
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
    }

    .support-chat-mode-tabs button {
        min-height: 40px;
    }

    .support-chat-owner-fields input {
        min-height: 40px;
        font-size: 16px;
    }

    .support-chat-compose textarea {
        min-height: 46px;
        max-height: 130px;
        font-size: 16px;
        padding: 10px;
    }

    .support-chat-send {
        min-height: 44px;
        font-size: 0.92rem;
    }

    .support-chat-quick {
        max-height: 90px;
        padding: 0 10px 8px;
    }

    .support-chat-quick button {
        min-height: 34px;
        font-size: 0.74rem;
    }
}