/* ==========================================================================
   PulseChat — Common Styles
   Shared across full-view, toggle widget, and client portal.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --pc-brand:           #546bf1;
    --pc-brand-hover:     #4359d9;
    --pc-brand-light:     rgba(84, 107, 241, .12);
    --pc-online:          #2ecc71;
    --pc-away:            #f39c12;
    --pc-busy:            #e74c3c;
    --pc-offline:         #95a5a6;
    --pc-danger:          #e74c3c;
    --pc-success:         #2ecc71;
    --pc-warning:         #f39c12;
    --pc-star:            #f1c40f;
    --pc-note-bg:         #fef9e7;
    --pc-note-border:     #f9e79f;
    --pc-radius-sm:       4px;
    --pc-radius-md:       8px;
    --pc-radius-lg:       16px;
    --pc-radius-full:     9999px;
    --pc-shadow-sm:       0 1px 3px rgba(0,0,0,.08);
    --pc-shadow-md:       0 4px 12px rgba(0,0,0,.12);
    --pc-shadow-lg:       0 8px 30px rgba(0,0,0,.18);
    --pc-transition:      .2s ease;
    --pc-transition-slow: .35s ease;
    --pc-font:            -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --pc-font-mono:       "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* --------------------------------------------------------------------------
   Status Dots
   -------------------------------------------------------------------------- */
.pulsechat-status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid #fff;
    flex-shrink: 0;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
.pulsechat-status-dot.online  { background-color: var(--pc-online); }
.pulsechat-status-dot.away    { background-color: var(--pc-away); }
.pulsechat-status-dot.busy    { background-color: var(--pc-busy); }
.pulsechat-status-dot.offline { background-color: var(--pc-offline); }

/* Larger status dot variant */
.pulsechat-status-dot.lg {
    width: 14px;
    height: 14px;
}

/* --------------------------------------------------------------------------
   Status Icons (navbar / header)
   -------------------------------------------------------------------------- */
.pulsechat-status-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.pulsechat-status-icon::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid #fff;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
.pulsechat-status-icon.online::after  { background-color: var(--pc-online); }
.pulsechat-status-icon.away::after    { background-color: var(--pc-away); }
.pulsechat-status-icon.busy::after    { background-color: var(--pc-busy); }
.pulsechat-status-icon.offline::after { background-color: var(--pc-offline); }

/* --------------------------------------------------------------------------
   Status Dropdown
   -------------------------------------------------------------------------- */
#pulsechat-status-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 10500;
    min-width: 180px;
    padding: 6px 0;
    margin-top: 4px;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: var(--pc-radius-md);
    box-shadow: var(--pc-shadow-md);
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
    -webkit-transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
    transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
}
#pulsechat-status-dropdown.open {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}
#pulsechat-status-dropdown .status-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    font-size: 13px;
    color: #333;
    cursor: pointer;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
#pulsechat-status-dropdown .status-option:hover {
    background-color: var(--pc-brand-light);
}
#pulsechat-status-dropdown .status-option .pulsechat-status-dot {
    border-color: transparent;
}

/* --------------------------------------------------------------------------
   Unread Badge
   -------------------------------------------------------------------------- */
.pulsechat-unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    background-color: var(--pc-danger);
    border-radius: var(--pc-radius-full);
    -webkit-animation: pcBadgePop .3s ease;
    animation: pcBadgePop .3s ease;
}
.pulsechat-unread-badge:empty {
    display: none;
}

/* --------------------------------------------------------------------------
   Avatars
   -------------------------------------------------------------------------- */
.pulsechat-avatar {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--pc-brand-light);
    color: var(--pc-brand);
    font-weight: 600;
    flex-shrink: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.pulsechat-avatar img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
    border-radius: 50%;
}
/* Size variants */
.pulsechat-avatar.xs {
    width: 24px;
    height: 24px;
    font-size: 10px;
}
.pulsechat-avatar.sm {
    width: 32px;
    height: 32px;
    font-size: 12px;
}
.pulsechat-avatar,
.pulsechat-avatar.md {
    width: 40px;
    height: 40px;
    font-size: 14px;
}
.pulsechat-avatar.lg {
    width: 48px;
    height: 48px;
    font-size: 16px;
}
.pulsechat-avatar.xl {
    width: 64px;
    height: 64px;
    font-size: 20px;
}
/* Avatar with status dot overlay */
.pulsechat-avatar .pulsechat-status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
}

/* --------------------------------------------------------------------------
   Message Type Badges
   -------------------------------------------------------------------------- */
.pulsechat-msg-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .4px;
    text-transform: uppercase;
    border-radius: var(--pc-radius-full);
    line-height: 1.6;
}
.pulsechat-msg-badge.note {
    background-color: var(--pc-note-bg);
    color: #b7950b;
    border: 1px solid var(--pc-note-border);
}
.pulsechat-msg-badge.file {
    background-color: rgba(84,107,241,.1);
    color: var(--pc-brand);
}
.pulsechat-msg-badge.image {
    background-color: rgba(46,204,113,.1);
    color: #1e8449;
}
.pulsechat-msg-badge.voice {
    background-color: rgba(243,156,18,.1);
    color: #b7950b;
}

/* --------------------------------------------------------------------------
   Typing Indicator (three bouncing dots)
   -------------------------------------------------------------------------- */
.pulsechat-typing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    background: #eef0f3;
    border-radius: 18px;
}
.pulsechat-typing span {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #90949c;
    -webkit-animation: pcTypingBounce 1.4s infinite ease-in-out both;
    animation: pcTypingBounce 1.4s infinite ease-in-out both;
}
.pulsechat-typing span:nth-child(1) { -webkit-animation-delay: 0s;   animation-delay: 0s; }
.pulsechat-typing span:nth-child(2) { -webkit-animation-delay: .16s;  animation-delay: .16s; }
.pulsechat-typing span:nth-child(3) { -webkit-animation-delay: .32s;  animation-delay: .32s; }

@-webkit-keyframes pcTypingBounce {
    0%, 80%, 100% { -webkit-transform: scale(0); transform: scale(0); }
    40%           { -webkit-transform: scale(1); transform: scale(1); }
}
@keyframes pcTypingBounce {
    0%, 80%, 100% { -webkit-transform: scale(0); transform: scale(0); }
    40%           { -webkit-transform: scale(1); transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Emoji Picker Wrapper
   -------------------------------------------------------------------------- */
.pulsechat-emoji-picker {
    position: absolute;
    bottom: 100%;
    right: 0;
    z-index: 10600;
    margin-bottom: 8px;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: var(--pc-radius-md);
    box-shadow: var(--pc-shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(10px) scale(.96);
    transform: translateY(10px) scale(.96);
    -webkit-transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
    transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
}
.pulsechat-emoji-picker.open {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0) scale(1);
    transform: translateY(0) scale(1);
}

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
.pulsechat-scroll::-webkit-scrollbar {
    width: 6px;
}
.pulsechat-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.pulsechat-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(0,0,0,.15);
    border-radius: 3px;
}
.pulsechat-scroll::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0,0,0,.25);
}
/* Firefox */
.pulsechat-scroll {
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,.15) transparent;
}

/* --------------------------------------------------------------------------
   Link Preview Card
   -------------------------------------------------------------------------- */
.pulsechat-link-preview {
    display: flex;
    gap: 12px;
    max-width: 360px;
    margin-top: 6px;
    padding: 10px 12px;
    background: rgba(0,0,0,.03);
    border-left: 3px solid var(--pc-brand);
    border-radius: 0 var(--pc-radius-sm) var(--pc-radius-sm) 0;
    text-decoration: none;
    color: inherit;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
.pulsechat-link-preview:hover {
    background: rgba(0,0,0,.06);
    text-decoration: none;
    color: inherit;
}
.pulsechat-link-preview-thumb {
    width: 56px;
    height: 56px;
    border-radius: var(--pc-radius-sm);
    -o-object-fit: cover;
    object-fit: cover;
    flex-shrink: 0;
}
.pulsechat-link-preview-body {
    overflow: hidden;
}
.pulsechat-link-preview-title {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pulsechat-link-preview-desc {
    font-size: 12px;
    color: #8e8e93;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.pulsechat-link-preview-url {
    font-size: 11px;
    color: #b0b0b0;
    margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Audio Player Mini
   -------------------------------------------------------------------------- */
.pulsechat-audio-player {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(0,0,0,.04);
    border-radius: var(--pc-radius-lg);
    min-width: 200px;
    max-width: 280px;
}
.pulsechat-audio-player .play-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--pc-brand);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    -webkit-transition: background-color var(--pc-transition), transform var(--pc-transition);
    transition: background-color var(--pc-transition), transform var(--pc-transition);
}
.pulsechat-audio-player .play-btn:hover {
    background: var(--pc-brand-hover);
    -webkit-transform: scale(1.05);
    transform: scale(1.05);
}
.pulsechat-audio-player .waveform {
    flex: 1;
    height: 28px;
    background: repeating-linear-gradient(
        90deg,
        rgba(84,107,241,.25) 0px,
        rgba(84,107,241,.25) 2px,
        transparent 2px,
        transparent 4px
    );
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}
.pulsechat-audio-player .waveform .progress {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    background: rgba(84,107,241,.45);
    border-radius: 4px;
    -webkit-transition: width .1s linear;
    transition: width .1s linear;
}
.pulsechat-audio-player .duration {
    font-size: 11px;
    color: #8e8e93;
    flex-shrink: 0;
    min-width: 34px;
    text-align: right;
}

/* --------------------------------------------------------------------------
   Loader
   -------------------------------------------------------------------------- */
.pulsechat-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}
.pulsechat-loader::after {
    content: "";
    width: 32px;
    height: 32px;
    border: 3px solid rgba(84,107,241,.2);
    border-top-color: var(--pc-brand);
    border-radius: 50%;
    -webkit-animation: pcSpin .7s linear infinite;
    animation: pcSpin .7s linear infinite;
}
.pulsechat-loader.sm::after {
    width: 18px;
    height: 18px;
    border-width: 2px;
}

/* --------------------------------------------------------------------------
   No Messages Placeholder
   -------------------------------------------------------------------------- */
.pulsechat-no-messages {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 40px 20px;
    color: #b0b0b0;
    text-align: center;
}
.pulsechat-no-messages i,
.pulsechat-no-messages svg {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: .4;
}
.pulsechat-no-messages p {
    margin: 0;
    font-size: 14px;
    max-width: 240px;
}

/* --------------------------------------------------------------------------
   System Message
   -------------------------------------------------------------------------- */
.pulsechat-system-message {
    display: flex;
    justify-content: center;
    padding: 12px 20px;
}
.pulsechat-system-message span {
    display: inline-block;
    padding: 4px 14px;
    font-size: 12px;
    color: #8e8e93;
    background: rgba(0,0,0,.04);
    border-radius: var(--pc-radius-full);
}

/* --------------------------------------------------------------------------
   Reaction Chips
   -------------------------------------------------------------------------- */
.pulsechat-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
}
.pulsechat-reaction {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: 12px;
    background: rgba(0,0,0,.05);
    border: 1px solid rgba(0,0,0,.06);
    border-radius: var(--pc-radius-full);
    cursor: pointer;
    -webkit-transition: background-color var(--pc-transition), border-color var(--pc-transition);
    transition: background-color var(--pc-transition), border-color var(--pc-transition);
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.pulsechat-reaction:hover {
    background: rgba(84,107,241,.1);
    border-color: rgba(84,107,241,.2);
}
.pulsechat-reaction.active {
    background: var(--pc-brand-light);
    border-color: var(--pc-brand);
    color: var(--pc-brand);
}
.pulsechat-reaction .emoji {
    font-size: 14px;
    line-height: 1;
}
.pulsechat-reaction .count {
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
}

/* --------------------------------------------------------------------------
   Starred Message Indicator
   -------------------------------------------------------------------------- */
.pulsechat-starred {
    position: relative;
}
.pulsechat-starred::before {
    content: "\2605";
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 12px;
    color: var(--pc-star);
    filter: drop-shadow(0 1px 1px rgba(0,0,0,.15));
    -webkit-animation: pcStarPop .3s ease;
    animation: pcStarPop .3s ease;
}

/* --------------------------------------------------------------------------
   Pinned Message Bar
   -------------------------------------------------------------------------- */
.pulsechat-pinned-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--pc-brand-light);
    border-bottom: 1px solid rgba(84,107,241,.15);
    font-size: 13px;
    color: #333;
    cursor: pointer;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
.pulsechat-pinned-bar:hover {
    background: rgba(84,107,241,.18);
}
.pulsechat-pinned-bar .pin-icon {
    color: var(--pc-brand);
    font-size: 15px;
    flex-shrink: 0;
}
.pulsechat-pinned-bar .pin-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pulsechat-pinned-bar .pin-close {
    background: none;
    border: none;
    color: #8e8e93;
    cursor: pointer;
    padding: 2px;
    line-height: 1;
    font-size: 16px;
    flex-shrink: 0;
    -webkit-transition: color var(--pc-transition);
    transition: color var(--pc-transition);
}
.pulsechat-pinned-bar .pin-close:hover {
    color: #333;
}

/* --------------------------------------------------------------------------
   Reply-To Preview Bar
   -------------------------------------------------------------------------- */
.pulsechat-reply-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: #f7f8fa;
    border-left: 3px solid var(--pc-brand);
    border-radius: 0;
    font-size: 13px;
}
.pulsechat-reply-preview .reply-author {
    font-weight: 600;
    color: var(--pc-brand);
    margin-right: 4px;
}
.pulsechat-reply-preview .reply-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #666;
}
.pulsechat-reply-preview .reply-close {
    background: none;
    border: none;
    color: #8e8e93;
    cursor: pointer;
    padding: 2px;
    line-height: 1;
    font-size: 16px;
    flex-shrink: 0;
    -webkit-transition: color var(--pc-transition);
    transition: color var(--pc-transition);
}
.pulsechat-reply-preview .reply-close:hover {
    color: #333;
}

/* Inline reply block inside a message bubble */
.pulsechat-reply-block {
    padding: 6px 10px;
    margin-bottom: 6px;
    background: rgba(0,0,0,.05);
    border-left: 3px solid var(--pc-brand);
    border-radius: 0 var(--pc-radius-sm) var(--pc-radius-sm) 0;
    font-size: 12px;
    cursor: pointer;
}
.pulsechat-reply-block .reply-author {
    font-weight: 600;
    color: var(--pc-brand);
    margin-bottom: 1px;
}
.pulsechat-reply-block .reply-text {
    color: #8e8e93;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --------------------------------------------------------------------------
   Message Options Dropdown
   -------------------------------------------------------------------------- */
.pulsechat-msg-options {
    position: absolute;
    top: 50%;
    z-index: 10400;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity var(--pc-transition), visibility var(--pc-transition);
    transition: opacity var(--pc-transition), visibility var(--pc-transition);
}
.pulsechat-msg-options.left  { right: 100%; margin-right: 4px; }
.pulsechat-msg-options.right { left: 100%;  margin-left: 4px; }

.pulsechat-msg-wrap:hover .pulsechat-msg-options,
.pulsechat-msg-options.open {
    opacity: 1;
    visibility: visible;
}
.pulsechat-msg-options .options-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    color: #8e8e93;
    cursor: pointer;
    box-shadow: var(--pc-shadow-sm);
    -webkit-transition: background-color var(--pc-transition), color var(--pc-transition);
    transition: background-color var(--pc-transition), color var(--pc-transition);
    font-size: 14px;
}
.pulsechat-msg-options .options-toggle:hover {
    background: var(--pc-brand-light);
    color: var(--pc-brand);
}
.pulsechat-msg-options .options-menu {
    position: absolute;
    top: 100%;
    min-width: 160px;
    padding: 4px 0;
    margin-top: 4px;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: var(--pc-radius-md);
    box-shadow: var(--pc-shadow-md);
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    -webkit-transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
    transition: opacity var(--pc-transition), transform var(--pc-transition), visibility var(--pc-transition);
}
.pulsechat-msg-options .options-menu.open {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}
.pulsechat-msg-options .options-menu.drop-left  { right: 0; }
.pulsechat-msg-options .options-menu.drop-right { left: 0; }
.pulsechat-msg-options .options-menu li {
    list-style: none;
}
.pulsechat-msg-options .options-menu a,
.pulsechat-msg-options .options-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 14px;
    font-size: 13px;
    color: #333;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    -webkit-transition: background-color var(--pc-transition);
    transition: background-color var(--pc-transition);
}
.pulsechat-msg-options .options-menu a:hover,
.pulsechat-msg-options .options-menu button:hover {
    background: var(--pc-brand-light);
}
.pulsechat-msg-options .options-menu a.danger,
.pulsechat-msg-options .options-menu button.danger {
    color: var(--pc-danger);
}

/* --------------------------------------------------------------------------
   Animations & Keyframes
   -------------------------------------------------------------------------- */
@-webkit-keyframes pcFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes pcFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@-webkit-keyframes pcSlideInUp {
    from { opacity: 0; -webkit-transform: translateY(20px); transform: translateY(20px); }
    to   { opacity: 1; -webkit-transform: translateY(0);    transform: translateY(0); }
}
@keyframes pcSlideInUp {
    from { opacity: 0; -webkit-transform: translateY(20px); transform: translateY(20px); }
    to   { opacity: 1; -webkit-transform: translateY(0);    transform: translateY(0); }
}

@-webkit-keyframes pcSlideInRight {
    from { opacity: 0; -webkit-transform: translateX(30px); transform: translateX(30px); }
    to   { opacity: 1; -webkit-transform: translateX(0);    transform: translateX(0); }
}
@keyframes pcSlideInRight {
    from { opacity: 0; -webkit-transform: translateX(30px); transform: translateX(30px); }
    to   { opacity: 1; -webkit-transform: translateX(0);    transform: translateX(0); }
}

@-webkit-keyframes pcSlideInLeft {
    from { opacity: 0; -webkit-transform: translateX(-30px); transform: translateX(-30px); }
    to   { opacity: 1; -webkit-transform: translateX(0);     transform: translateX(0); }
}
@keyframes pcSlideInLeft {
    from { opacity: 0; -webkit-transform: translateX(-30px); transform: translateX(-30px); }
    to   { opacity: 1; -webkit-transform: translateX(0);     transform: translateX(0); }
}

@-webkit-keyframes pcShake {
    0%, 100% { -webkit-transform: translateX(0); transform: translateX(0); }
    20%      { -webkit-transform: translateX(-6px); transform: translateX(-6px); }
    40%      { -webkit-transform: translateX(6px);  transform: translateX(6px); }
    60%      { -webkit-transform: translateX(-4px); transform: translateX(-4px); }
    80%      { -webkit-transform: translateX(4px);  transform: translateX(4px); }
}
@keyframes pcShake {
    0%, 100% { -webkit-transform: translateX(0); transform: translateX(0); }
    20%      { -webkit-transform: translateX(-6px); transform: translateX(-6px); }
    40%      { -webkit-transform: translateX(6px);  transform: translateX(6px); }
    60%      { -webkit-transform: translateX(-4px); transform: translateX(-4px); }
    80%      { -webkit-transform: translateX(4px);  transform: translateX(4px); }
}

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

@-webkit-keyframes pcStarPop {
    0%   { -webkit-transform: scale(0) rotate(-30deg); transform: scale(0) rotate(-30deg); }
    60%  { -webkit-transform: scale(1.3) rotate(5deg);  transform: scale(1.3) rotate(5deg); }
    100% { -webkit-transform: scale(1) rotate(0);       transform: scale(1) rotate(0); }
}
@keyframes pcStarPop {
    0%   { -webkit-transform: scale(0) rotate(-30deg); transform: scale(0) rotate(-30deg); }
    60%  { -webkit-transform: scale(1.3) rotate(5deg);  transform: scale(1.3) rotate(5deg); }
    100% { -webkit-transform: scale(1) rotate(0);       transform: scale(1) rotate(0); }
}

@-webkit-keyframes pcSpin {
    to { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}
@keyframes pcSpin {
    to { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@-webkit-keyframes pcPulse {
    0%   { box-shadow: 0 0 0 0 rgba(84,107,241,.4); }
    100% { box-shadow: 0 0 0 12px rgba(84,107,241,0); }
}
@keyframes pcPulse {
    0%   { box-shadow: 0 0 0 0 rgba(84,107,241,.4); }
    100% { box-shadow: 0 0 0 12px rgba(84,107,241,0); }
}

/* Utility animation classes */
.pc-animate-fadeIn      { -webkit-animation: pcFadeIn .3s ease;        animation: pcFadeIn .3s ease; }
.pc-animate-slideInUp   { -webkit-animation: pcSlideInUp .3s ease;    animation: pcSlideInUp .3s ease; }
.pc-animate-slideInRight{ -webkit-animation: pcSlideInRight .3s ease;  animation: pcSlideInRight .3s ease; }
.pc-animate-slideInLeft { -webkit-animation: pcSlideInLeft .3s ease;   animation: pcSlideInLeft .3s ease; }
.pc-animate-shake       { -webkit-animation: pcShake .5s ease;         animation: pcShake .5s ease; }

/* --------------------------------------------------------------------------
   Utility Helpers
   -------------------------------------------------------------------------- */
.pulsechat-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pulsechat-hidden {
    display: none !important;
}
.pulsechat-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* --------------------------------------------------------------------------
   Toast Notifications (bottom-right push style)
   -------------------------------------------------------------------------- */
#pulsechat-toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
    display: flex;
    flex-direction: column-reverse;
    gap: 10px;
    max-width: 380px;
    pointer-events: none;
}
.pc-toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,.15), 0 2px 8px rgba(0,0,0,.08);
    pointer-events: all;
    cursor: pointer;
    -webkit-transition: transform .3s ease, opacity .3s ease;
    transition: transform .3s ease, opacity .3s ease;
    -webkit-transform: translateX(0);
    transform: translateX(0);
    opacity: 1;
    overflow: hidden;
    border-left: 4px solid var(--pc-brand, #546bf1);
    min-width: 320px;
}
.pc-toast-enter {
    -webkit-transform: translateX(120%);
    transform: translateX(120%);
    opacity: 0;
}
.pc-toast-exit {
    -webkit-transform: translateX(120%);
    transform: translateX(120%);
    opacity: 0;
}
.pc-toast:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,.2), 0 4px 12px rgba(0,0,0,.1);
}
.pc-toast-icon {
    flex-shrink: 0;
}
.pc-toast-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
}
.pc-toast-avatar-placeholder {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--pc-brand-light, #eef0ff);
    color: var(--pc-brand, #546bf1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.pc-toast-content {
    flex: 1;
    min-width: 0;
}
.pc-toast-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pc-toast-body {
    font-size: 13px;
    color: #6c6c70;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pc-toast-close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none;
    border: none;
    color: #aaa;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
    -webkit-transition: color .15s ease;
    transition: color .15s ease;
}
.pc-toast-close:hover {
    color: #333;
}

/* Dark mode override */
body.pulsechat-dark .pc-toast {
    background: #1e2a38;
    border-left-color: var(--pc-brand, #546bf1);
    box-shadow: 0 8px 32px rgba(0,0,0,.4), 0 2px 8px rgba(0,0,0,.2);
}
body.pulsechat-dark .pc-toast-title { color: #ecf0f1; }
body.pulsechat-dark .pc-toast-body { color: #bdc3c7; }
body.pulsechat-dark .pc-toast-close { color: #7f8c8d; }
body.pulsechat-dark .pc-toast-close:hover { color: #ecf0f1; }

/* Mobile: full-width toast */
@media (max-width: 480px) {
    #pulsechat-toast-container {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: none;
    }
    .pc-toast {
        min-width: 0;
    }
}