/**
 * Floating site chat — matches .ulp cyber shell (discussion cards, chips, telemetry, mono).
 */

#chat-widget-container {
    --discussion-surface: rgba(255, 255, 255, 0.04);
    --discussion-surface-hover: rgba(255, 255, 255, 0.06);
    --discussion-border: rgba(255, 255, 255, 0.06);
    --chat-fab-bg: var(--surface-color, rgba(20, 20, 20, 0.95));
    --chat-fab-border: color-mix(in srgb, var(--primary-color, #00ff9d) 32%, var(--surface-border, #333));
    --chat-fab-shadow: 0 4px 18px rgba(0, 0, 0, 0.45), 0 0 12px rgba(0, 255, 157, 0.12);
    --chat-fab-color: var(--primary-color, #00ff9d);
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

#chat-widget-container[data-ulp-floating-chat] {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

html.ulp-spa-chat-fab-recover #chat-widget-container #chat-toggle-btn,
#chat-widget-container:has(> #chat-window.hidden) > #chat-toggle-btn.chat-btn {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.chat-backdrop {
    display: none !important;
}

.chat-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--chat-fab-bg);
    border: 1px solid var(--chat-fab-border);
    color: var(--chat-fab-color);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--chat-fab-shadow);
    transition:
        transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        color 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    font-family: var(--font-mono);
}

@media (hover: hover) and (pointer: fine) {
    .chat-btn:hover {
        --chat-fab-bg: color-mix(in srgb, var(--surface-color, rgba(20, 20, 20, 0.95)) 68%, rgba(0, 255, 157, 0.42));
        --chat-fab-border: rgba(0, 255, 157, 0.78);
        --chat-fab-shadow: 0 8px 28px rgba(0, 0, 0, 0.55), 0 0 24px rgba(0, 255, 157, 0.34);
        --chat-fab-color: #eafff6;
    }

    .chat-btn:hover i {
        filter: drop-shadow(0 0 7px rgba(0, 255, 157, 0.55));
    }
}

.chat-btn:focus-visible {
    outline: 2px solid rgba(0, 255, 157, 0.55);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .chat-btn:focus-visible:not(:hover) {
        --chat-fab-bg: color-mix(in srgb, var(--surface-color, rgba(20, 20, 20, 0.95)) 68%, rgba(0, 255, 157, 0.42));
        --chat-fab-border: rgba(0, 255, 157, 0.78);
        --chat-fab-shadow: 0 8px 28px rgba(0, 0, 0, 0.55), 0 0 24px rgba(0, 255, 157, 0.34);
        --chat-fab-color: #eafff6;
    }
}

.chat-btn:active {
    transform: var(--ulp-press-transform, scale(0.982));
}

.chat-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--error-color);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    font-family: var(--font-mono);
    min-width: 18px;
    height: 18px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-color);
    box-shadow: 0 0 8px rgba(255, 71, 87, 0.45);
    animation: chatBadgeIn 0.28s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-badge.hidden {
    display: none;
    animation: none;
}

@keyframes chatBadgeIn {
    0% { transform: scale(0); }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* ── Window panel ───────────────────────────────────────────── */

.chat-window {
    width: 400px;
    height: 520px;
    max-height: min(520px, calc(100vh - 6rem));
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--surface-border);
    border-radius: var(--modern-rounded-lg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.28s;
    transform-origin: bottom right;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.48), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
    position: relative;
    z-index: 9001;
    isolation: isolate;
}

.chat-window.hidden {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
    pointer-events: none;
    height: 0;
    margin: 0;
    visibility: hidden;
}

.chat-header {
    flex-shrink: 0;
    min-height: 44px;
    padding: 0.45rem 0.65rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
}

.chat-header-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-width: 0;
}

.chat-live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 157, 0.65);
    flex-shrink: 0;
    animation: chatLivePulse 2.4s ease-in-out infinite;
}

@keyframes chatLivePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.88); }
}

.chat-title {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--primary-color);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-title .icon {
    margin-right: 0.35rem;
    font-size: 0.85em;
    opacity: 0.9;
}

.chat-header-tools {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.chat-header-btn,
.chat-close {
    width: 30px;
    height: 30px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.chat-header-btn:hover,
.chat-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.16);
}

.chat-header-btn:active,
.chat-header-btn.press-feedback,
.chat-close:active,
.chat-close.press-feedback {
    transform: var(--ulp-press-transform, scale(0.982));
}

.chat-header-btn--danger:hover {
    color: var(--error-color);
    border-color: rgba(255, 71, 87, 0.35);
    background: rgba(255, 71, 87, 0.08);
}

.chat-clear-btn-spacing {
    margin-right: 0;
}

/* ── Message list ───────────────────────────────────────────── */

.chat-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 18px 18px;
    background-color: rgba(0, 0, 0, 0.18);
}

.chat-messages {
    flex: 1;
    min-height: 0;
    padding: 0.35rem 0.45rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    -webkit-overflow-scrolling: touch;
}

/* Flex column + overflow:auto shrinks children without this — messages collapse to ~20px strips */
.chat-messages > .chat-msg,
.chat-messages > .chat-system-msg {
    flex: 0 0 auto;
    flex-shrink: 0;
    min-height: 0;
}

.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
}

.chat-typing-indicator-pad {
    padding: 0 0.65rem 0.25rem;
    flex-shrink: 0;
}

.chat-system-msg {
    align-self: center;
    max-width: 92%;
    text-align: center;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ── Messages (compact list) ────────────────────────────────── */

#chat-widget-container .chat-messages .chat-msg {
    display: block;
    width: 100%;
    padding: 0.38rem 0.42rem;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.04);
    text-align: left;
}

#chat-widget-container .chat-msg-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.28rem 0.35rem;
    min-width: 0;
    line-height: 1.2;
}

#chat-widget-container .chat-msg-author.username-tag {
    flex: 0 0 auto;
    width: fit-content;
    max-width: calc(100% - 5.5rem);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.74rem;
}

#chat-widget-container .chat-msg-time {
    flex-shrink: 0;
    font-size: 0.64rem;
    padding: 0.1rem 0.38rem;
    min-height: 1.2rem;
    opacity: 0.92;
}

#chat-widget-container .chat-msg-time i {
    font-size: 0.62rem;
    opacity: 0.85;
}

#chat-widget-container .chat-msg-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.12rem;
    margin-left: auto;
    flex-shrink: 0;
}

#chat-widget-container .chat-msg-act-btn {
    width: 18px;
    height: 18px;
    padding: 0;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.62rem;
    opacity: 0.75;
}

#chat-widget-container .chat-msg-act-btn:hover,
#chat-widget-container .chat-msg-act-btn:focus-visible {
    opacity: 1;
    color: var(--accent-color);
}

#chat-widget-container .chat-msg-act-btn--approve {
    color: #00ff9d;
    border-color: rgba(0, 255, 157, 0.35);
}

#chat-widget-container .chat-msg-act-btn--approve:hover,
#chat-widget-container .chat-msg-act-btn--approve:focus-visible {
    color: #fff;
    border-color: rgba(0, 255, 157, 0.65);
    background: rgba(0, 255, 157, 0.12);
}

#chat-widget-container .chat-msg-act-btn--danger:hover,
#chat-widget-container .chat-msg-act-btn--danger:focus-visible {
    color: var(--error-color);
}

#chat-widget-container .chat-msg-body {
    display: block;
    width: 100%;
    margin-top: 0.28rem;
    text-align: left;
}

#chat-widget-container .chat-msg-body .comment-content {
    display: block;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    font-size: 0.82rem;
    line-height: 1.42;
    white-space: pre-wrap;
    font-family: var(--font-main);
    overflow-wrap: anywhere;
    word-break: break-word;
}

#chat-widget-container .chat-msg .comment-content .external-link {
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* Mentions: plain colored @name, no pill/chip */
#chat-widget-container .chat-msg .mention,
#chat-widget-container .chat-msg .mention-link {
    display: inline;
    padding: 0;
    margin: 0;
    border: none !important;
    border-radius: 0;
    background: transparent !important;
    box-shadow: none !important;
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: inherit;
    color: var(--primary-color);
    text-decoration: none;
    line-height: inherit;
    white-space: normal;
}

#chat-widget-container .chat-msg .mention.admin {
    color: var(--error-color);
    text-shadow: none;
}

#chat-widget-container .chat-msg .mention.moderator {
    color: var(--primary-color);
    text-shadow: none;
}

#chat-widget-container .chat-msg .mention.user {
    color: var(--accent-color);
}

#chat-widget-container .chat-msg .mention:hover,
#chat-widget-container .chat-msg .mention-link:hover {
    text-decoration: underline;
    background: transparent !important;
    box-shadow: none !important;
}

#chat-widget-container .chat-msg .ql-align-center {
    text-align: left !important;
}

#chat-widget-container .chat-msg-edited {
    border-color: rgba(0, 255, 157, 0.35);
}

/* ── Context menu ───────────────────────────────────────────── */

.chat-context-menu {
    position: fixed;
    z-index: 12000;
    min-width: 180px;
    padding: 6px;
    border-radius: var(--modern-rounded-sm);
    border: 1px solid var(--surface-border);
    background: rgba(10, 11, 14, 0.97);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.chat-context-menu.hidden {
    display: none;
}

.chat-context-action {
    width: 100%;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-align: left;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.chat-context-action:hover {
    border-color: rgba(0, 255, 157, 0.25);
    background: rgba(0, 255, 157, 0.08);
    color: var(--primary-color);
}

.chat-context-action.danger:hover {
    border-color: rgba(255, 71, 87, 0.25);
    background: rgba(255, 71, 87, 0.1);
    color: var(--error-color);
}

/* ── Composer ───────────────────────────────────────────────── */

.chat-input-area {
    flex-shrink: 0;
    padding: 0.45rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.02);
    position: relative;
}

.chat-composer-row {
    display: flex;
    align-items: center;
    gap: 0.38rem;
}

.chat-input-area input,
.chat-composer-input {
    flex: 1;
    min-width: 0;
    height: 36px;
    padding: 0 0.7rem;
    background: rgba(0, 0, 0, 0.28) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: var(--radius) !important;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    box-sizing: border-box;
}

.chat-input-area input:focus,
.chat-composer-input:focus {
    outline: 0;
    border-color: rgba(0, 255, 157, 0.45) !important;
    box-shadow: 0 0 0 1px rgba(0, 255, 157, 0.12);
}

.chat-action-btn,
.chat-composer-btn {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-action-btn:hover,
.chat-composer-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.16);
    color: var(--primary-color);
}

.btn-send,
.chat-composer-send {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    min-width: 36px;
    padding: 0;
    border-radius: var(--radius);
    border: 0;
    background: var(--primary-color);
    color: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s, transform 0.12s;
    box-shadow: 0 0 12px rgba(0, 255, 157, 0.25);
}

.btn-send:hover,
.chat-composer-send:hover {
    background: var(--accent-color);
    color: #0a0a0a !important;
}

.btn-send i,
.chat-composer-send i {
    color: #0a0a0a !important;
}

.chat-input-area .chat-cancel-edit-btn {
    margin-left: 0;
    border: 1px solid var(--surface-border);
    color: var(--text-secondary);
    background: transparent;
}

.chat-input-area .chat-cancel-edit-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.chat-readonly-prompt,
.chat-login-prompt {
    width: 100%;
    text-align: center;
    padding: 0.35rem;
}

#chat-widget-container .chat-msg-pending {
    border-color: rgba(251, 191, 36, 0.28);
    background: rgba(251, 191, 36, 0.04);
}

#chat-widget-container .chat-msg-pending-badge {
    font-size: 0.62rem;
    padding: 0.08rem 0.35rem;
    color: #fbbf24;
    flex-shrink: 0;
}

.chat-login-link-compact {
    font-size: 0.8rem;
    padding: 0.3rem 1rem;
}

/* ── Emoji picker ───────────────────────────────────────────── */

.emoji-picker {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0.45rem;
    right: 0.45rem;
    max-height: 180px;
    background: rgba(10, 11, 14, 0.98);
    border: 1px solid rgba(0, 255, 157, 0.22);
    border-radius: var(--modern-rounded-sm);
    padding: 0.45rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
    gap: 4px;
    overflow-y: auto;
    z-index: 20;
    backdrop-filter: blur(12px);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.45);
}

.emoji-picker::-webkit-scrollbar {
    width: 4px;
}

.emoji-picker::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
}

.emoji-picker.hidden {
    display: none;
}

.emoji-btn {
    background: transparent;
    border: 0;
    font-size: 1.15rem;
    cursor: pointer;
    border-radius: var(--radius);
    padding: 2px;
    transition: transform 0.1s, background 0.1s;
}

.emoji-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.12);
}

/* ── Mobile (same FAB + panel language as desktop) ───────────── */

@media (max-width: 768px) {
    html.ulp-chat-mobile-scroll-lock,
    html.ulp-chat-mobile-scroll-lock body {
        overflow: hidden !important;
        overscroll-behavior: none;
        touch-action: none;
        height: 100%;
        height: 100dvh;
    }

    html.ulp-chat-mobile-scroll-lock #site-header-wrapper {
        touch-action: auto;
    }

    html.ulp-chat-mobile-scroll-lock #chat-widget-container {
        touch-action: auto;
    }

    #chat-widget-container {
        position: fixed !important;
        inset: auto 0 0 auto !important;
        top: auto !important;
        left: auto !important;
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        overflow: visible !important;
        pointer-events: none !important;
        z-index: 11000 !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-end !important;
        align-items: flex-end !important;
        gap: 0.75rem !important;
        padding: 0 max(1rem, env(safe-area-inset-right, 0)) max(1.25rem, env(safe-area-inset-bottom, 0)) 0 !important;
        box-sizing: border-box !important;
    }

    #chat-widget-container #chat-toggle-btn.chat-btn {
        pointer-events: auto !important;
        position: relative !important;
        flex-shrink: 0 !important;
        margin: 0 !important;
        touch-action: manipulation !important;
        -webkit-tap-highlight-color: transparent;
        width: 52px !important;
        height: 52px !important;
        border-radius: 50% !important;
        background: var(--chat-fab-bg) !important;
        border: 1px solid var(--chat-fab-border) !important;
        box-shadow: var(--chat-fab-shadow) !important;
        color: var(--chat-fab-color) !important;
    }

    .chat-backdrop:not(.hidden) {
        display: block !important;
        position: fixed !important;
        inset: 0 !important;
        z-index: 10998 !important;
        background: rgba(0, 0, 0, 0.52) !important;
        pointer-events: auto !important;
        overscroll-behavior: none !important;
        touch-action: none !important;
    }

    #chat-widget-container .chat-window {
        pointer-events: auto !important;
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100% !important;
        height: 82dvh !important;
        max-height: 82vh !important;
        min-height: 0 !important;
        border-radius: var(--modern-rounded-xl) var(--modern-rounded-xl) 0 0 !important;
        border: 1px solid var(--surface-border) !important;
        border-bottom: none !important;
        transform: none !important;
        background: rgba(255, 255, 255, 0.03) !important;
        backdrop-filter: blur(8px) !important;
        -webkit-backdrop-filter: blur(8px) !important;
        box-shadow: 0 -10px 36px rgba(0, 0, 0, 0.5) !important;
        z-index: 11001 !important;
        overscroll-behavior: contain !important;
    }

    #chat-widget-container .chat-window.hidden {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        height: 0 !important;
        pointer-events: none !important;
    }

    #chat-widget-container .chat-window .chat-messages {
        min-height: 0 !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior-y: contain !important;
        touch-action: pan-y !important;
        overflow-y: auto !important;
        padding: 0.65rem !important;
    }

    #chat-widget-container .chat-window .chat-input-area {
        padding-bottom: max(0.45rem, env(safe-area-inset-bottom, 0)) !important;
        touch-action: auto !important;
    }

    #chat-widget-container .chat-header {
        min-height: 52px !important;
        padding: 0 1rem !important;
    }
}