/* ============================================================
   Kini AI Chatbot — Cal.com/Intercom Style Panel
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
    --cb-bg:          #181818;
    --cb-surface:     #212121;
    --cb-surface-alt: #1D1D1D;
    --cb-border:      rgba(255,255,255,.08);
    --cb-text:        #ffffff;
    --cb-text-dim:    #C3C3C3;
    --cb-accent:      #ADEBE7;
    --cb-accent-rgb:  173,235,231;
    --cb-accent-dim:  rgba(173,235,231,.15);
    --cb-user-bg:     linear-gradient(135deg, #ADEBE7, #7DD3CE);
    --cb-user-text:   #181818;
    --cb-shadow:      0 8px 32px rgba(0,0,0,.5), 0 2px 8px rgba(0,0,0,.3);
    --cb-radius:      16px;
    --cb-radius-sm:   10px;
    --cb-radius-full: 9999px;
    --cb-font-body:   "Rethink Sans", system-ui, -apple-system, sans-serif;
    --cb-font-brand:  "Unbounded", system-ui, sans-serif;
    --cb-ease:        cubic-bezier(.4, 0, .2, 1);
}

/* ============================================================
   1. TOGGLE BUTTON
   ============================================================ */
.chatbot-toggle {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, #ADEBE7, #7DD3CE);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 400;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: 0 4px 20px rgba(var(--cb-accent-rgb), .35);
    transition: transform .2s var(--cb-ease), box-shadow .2s var(--cb-ease);
}

.chatbot-toggle:hover {
    transform: scale(1.05);
    /* box-shadow: 0 6px 30px rgba(var(--cb-accent-rgb), .5); */
}

.chatbot-toggle:active {
    transform: scale(.95);
}

.chatbot-toggle__icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--cb-bg);
    transition: opacity .2s var(--cb-ease), transform .2s var(--cb-ease);
}

/* Icon switching */
.chatbot-toggle__icon--close {
    position: absolute;
    opacity: 0;
    transform: rotate(180deg);
}

.chatbot-toggle.active .chatbot-toggle__icon--chat {
    opacity: 0;
    transform: rotate(-180deg);
}

.chatbot-toggle.active .chatbot-toggle__icon--close {
    opacity: 1;
    transform: rotate(0deg);
}

/* ============================================================
   2. CHAT PANEL
   ============================================================ */
.chatbot-panel {
    position: fixed;
    bottom: 5.5rem;
    right: 1.25rem;
    width: 400px;
    height: 600px;
    max-height: calc(100vh - 7rem);
    background: var(--cb-bg);
    border-radius: var(--cb-radius);
    box-shadow: var(--cb-shadow);
    border: 1px solid var(--cb-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 99998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(.96);
    transition: opacity .25s var(--cb-ease), visibility .25s var(--cb-ease), transform .25s var(--cb-ease);
    pointer-events: none;
}

.chatbot-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* ============================================================
   3. HEADER
   ============================================================ */
.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .875rem 1rem;
    border-bottom: 1px solid var(--cb-border);
    background: var(--cb-bg);
    flex-shrink: 0;
}

.chatbot-header__left {
    display: flex;
    align-items: center;
    gap: .625rem;
}

/* Overlapping avatar circles */
.chatbot-header__avatars {
    display: flex;
    flex-shrink: 0;
}

.chatbot-header__avatar {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: #ADEBE7;
    color: var(--cb-bg);
    font-family: var(--cb-font-brand);
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--cb-bg);
}

.chatbot-header__avatar:not(:first-child) {
    margin-left: -.5rem;
}

.chatbot-header__avatar:nth-child(2) {
    background: #7DD3CE;
}

.chatbot-header__avatar:nth-child(3) {
    background: #4DBBB4;
}

.chatbot-header__name {
    font-family: var(--cb-font-brand);
    font-size: 15px;
    font-weight: 600;
    color: var(--cb-text);
}

.chatbot-header__actions {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.chatbot-header__btn {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: var(--cb-radius-sm);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--cb-text-dim);
    transition: background .15s var(--cb-ease), color .15s var(--cb-ease);
}

.chatbot-header__btn svg {
    width: 1.1rem;
    height: 1.1rem;
}

.chatbot-header__btn:hover {
    background: var(--cb-surface);
    color: var(--cb-text);
}

.chatbot-header__btn.active {
    background: var(--cb-accent-light);
    color: var(--cb-accent);
}

/* ============================================================
   4. SUBTITLE
   ============================================================ */
.chatbot-subtitle {
    margin: 0;
    padding: .5rem 1rem;
    font-family: var(--cb-font-body);
    font-size: 13px;
    color: var(--cb-text-dim);
    border-bottom: 1px solid var(--cb-border);
    flex-shrink: 0;
}

/* ============================================================
   5. WELCOME STATE
   ============================================================ */
.chatbot-welcome {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    text-align: center;
    gap: .75rem;
    overflow-y: auto;
}

.chatbot-welcome.hidden {
    display: none;
}

.chatbot-welcome__icon {
    width: 3.5rem;
    height: 3.5rem;
    flex-shrink: 0;
}

.chatbot-welcome__icon svg {
    width: 100%;
    height: 100%;
}

.chatbot-welcome__title {
    font-family: var(--cb-font-brand);
    font-size: 24px;
    font-weight: 700;
    color: var(--cb-text);
    margin: 0;
}

.chatbot-welcome__desc {
    font-family: var(--cb-font-body);
    font-size: 14px;
    color: var(--cb-text-dim);
    margin: 0;
    line-height: 1.5;
    max-width: 300px;
}

.chatbot-welcome__chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .5rem;
    margin-top: .5rem;
    width: 100%;
    max-width: 340px;
}

.chatbot-welcome__chip {
    background: var(--cb-bg);
    border: 1px solid var(--cb-border);
    border-radius: var(--cb-radius-full);
    padding: .5rem 1rem;
    font-family: var(--cb-font-body);
    font-size: 13px;
    color: var(--cb-text);
    cursor: pointer;
    transition: all .15s var(--cb-ease);
    white-space: nowrap;
}

.chatbot-welcome__chip:hover {
    background: var(--cb-surface);
    border-color: var(--cb-accent);
    color: var(--cb-accent);
}

/* ============================================================
   6. MESSAGE BUBBLES
   ============================================================ */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: none;
    flex-direction: column;
    gap: .625rem;
}

.chatbot-messages.active {
    display: flex;
}

/* Scrollbar */
.chatbot-messages::-webkit-scrollbar {
    width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--cb-border);
    border-radius: 2px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,.18);
}

/* Message wrapper */
.chatbot-msg {
    max-width: 82%;
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.chatbot-msg--user {
    align-self: flex-end;
    animation: cb-slide-right .3s var(--cb-ease) both;
}

.chatbot-msg--assistant {
    align-self: flex-start;
    animation: cb-slide-left .3s var(--cb-ease) both;
}

.chatbot-msg--system {
    align-self: center;
    max-width: 90%;
}

@keyframes cb-slide-left {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes cb-slide-right {
    from { opacity: 0; transform: translateX(8px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Bubble */
.chatbot-msg__bubble {
    padding: .7rem 1rem;
    border-radius: var(--cb-radius-sm);
    font-family: var(--cb-font-body);
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* User bubble — accent gradient */
.chatbot-msg--user .chatbot-msg__bubble {
    background: var(--cb-accent);
    color: var(--cb-user-text);
    border-bottom-right-radius: 4px;
}

/* Assistant bubble — dark surface */
.chatbot-msg--assistant .chatbot-msg__bubble {
    background: var(--cb-surface);
    color: var(--cb-text);
    border-bottom-left-radius: 4px;
}

/* System message */
.chatbot-msg--system .chatbot-msg__bubble {
    background: rgba(255,200,50,.1);
    border: 1px solid rgba(255,200,50,.2);
    color: #ffd666;
    font-size: 13px;
    text-align: center;
}

/* Meta row */
.chatbot-msg__meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: 0 .2rem;
}

.chatbot-msg--user .chatbot-msg__meta {
    justify-content: flex-end;
}

.chatbot-msg__time {
    font-family: var(--cb-font-body);
    font-size: 10px;
    color: var(--cb-text-dim);
    opacity: .6;
}

.chatbot-msg__copy {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--cb-font-body);
    font-size: 10px;
    color: var(--cb-text-dim);
    opacity: 0;
    transition: opacity .15s var(--cb-ease);
    padding: .1rem .3rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: .25rem;
}

.chatbot-msg:hover .chatbot-msg__copy {
    opacity: .6;
}

.chatbot-msg__copy:hover {
    opacity: 1 !important;
    background: var(--cb-surface);
}

.chatbot-msg__copy.copied {
    opacity: 1 !important;
    color: var(--cb-accent);
}

/* Message content formatting */
.chatbot-msg__bubble p {
    margin: 0 0 .5rem;
}

.chatbot-msg__bubble p:last-child {
    margin-bottom: 0;
}

.chatbot-msg__bubble a {
    color: var(--cb-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.chatbot-msg--user .chatbot-msg__bubble a {
    color: var(--cb-bg);
    text-decoration-color: rgba(24,24,24,.5);
}

.chatbot-msg__bubble a:hover {
    opacity: .8;
}

.chatbot-msg__bubble ul,
.chatbot-msg__bubble ol {
    margin: .5rem 0;
    padding-left: 1.4rem;
}

.chatbot-msg__bubble li {
    margin-bottom: .25rem;
}

.chatbot-msg__bubble li:last-child {
    margin-bottom: 0;
}

.chatbot-msg__bubble strong,
.chatbot-msg__bubble b {
    font-weight: 700;
}

.chatbot-msg__bubble code {
    background: rgba(var(--cb-accent-rgb), .1);
    padding: .1rem .35rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

.chatbot-msg__bubble h1,
.chatbot-msg__bubble h2,
.chatbot-msg__bubble h3,
.chatbot-msg__bubble h4 {
    font-family: var(--cb-font-brand);
    font-weight: 600;
    margin: .6rem 0 .4rem;
    line-height: 1.3;
}

.chatbot-msg__bubble h1 { font-size: 17px; }
.chatbot-msg__bubble h2 { font-size: 15px; }
.chatbot-msg__bubble h3 { font-size: 14px; }
.chatbot-msg__bubble h4 { font-size: 13px; }

/* ============================================================
   7. TYPING INDICATOR
   ============================================================ */
.chatbot-typing .chatbot-msg__bubble {
    display: flex;
    gap: 5px;
    padding: .7rem 1rem;
}

.chatbot-typing .chatbot-msg__bubble span {
    width: 6px;
    height: 6px;
    background: var(--cb-accent);
    border-radius: 50%;
    animation: cb-bounce-dot 1.4s infinite;
    opacity: .4;
}

.chatbot-typing .chatbot-msg__bubble span:nth-child(2) { animation-delay: .15s; }
.chatbot-typing .chatbot-msg__bubble span:nth-child(3) { animation-delay: .3s; }

@keyframes cb-bounce-dot {
    0%, 60%, 100% { transform: translateY(0); opacity: .4; }
    30%           { transform: translateY(-6px); opacity: 1; }
}

/* ============================================================
   8. TYPEWRITER CURSOR
   ============================================================ */
.mai-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--cb-accent);
    margin-left: 1px;
    vertical-align: text-bottom;
    animation: cb-blink-cursor .6s step-end infinite;
}

@keyframes cb-blink-cursor {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* ============================================================
   9. SCROLL-TO-BOTTOM
   ============================================================ */
.chatbot-scroll-btn {
    position: absolute;
    bottom: 72px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--cb-bg);
    border: 1px solid var(--cb-border);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cb-text-dim);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s var(--cb-ease), visibility .2s var(--cb-ease), transform .2s var(--cb-ease);
    z-index: 5;
    padding: 0;
}

.chatbot-scroll-btn svg {
    width: 1rem;
    height: 1rem;
}

.chatbot-scroll-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.chatbot-scroll-btn:hover {
    background: var(--cb-surface);
    color: var(--cb-text);
}

/* ============================================================
   10. INPUT AREA
   ============================================================ */
.chatbot-input {
    padding: .75rem;
    border-top: 1px solid var(--cb-border);
    background: var(--cb-bg);
    flex-shrink: 0;
}

.chatbot-input__container {
    display: flex;
    align-items: center;
    gap: .5rem;
    /* border: 1px solid var(--cb-border);
    border-radius: var(--cb-radius-full); */

    padding: .375rem .375rem .375rem 1rem;
    background: var(--cb-bg);
    transition: border-color .15s var(--cb-ease), box-shadow .15s var(--cb-ease);
}

.chatbot-input__container:focus-within {
    border-color: var(--cb-accent);
    box-shadow: 0 0 0 3px rgba(var(--cb-accent-rgb), .15);
}

.chatbot-input__field {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--cb-font-body);
    font-size: 14px;
    color: var(--cb-text);
    outline: none;
    padding: .25rem 0;
    min-width: 0;
}

.chatbot-input__field::placeholder {
    color: var(--cb-text-dim);
    opacity: .6;
}

.chatbot-input__buttons {
    display: flex;
    align-items: center;
    gap: .25rem;
    flex-shrink: 0;
}

.chatbot-input__voice {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--cb-text-dim);
    transition: all .15s var(--cb-ease);
}

.chatbot-input__voice svg {
    width: 1.1rem;
    height: 1.1rem;
}

.chatbot-input__voice:hover {
    background: var(--cb-surface);
    color: var(--cb-text);
}

.chatbot-input__voice.recording {
    background: #ef4444;
    color: #ffffff;
    animation: cb-pulse-rec 1.5s infinite;
}

@keyframes cb-pulse-rec {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.4); }
    50%      { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}

.chatbot-input__send {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 50%;
    background: var(--cb-accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--cb-bg);
    flex-shrink: 0;
    transition: all .15s var(--cb-ease);
}

.chatbot-input__send svg {
    width: 1rem;
    height: 1rem;
}

.chatbot-input__send:hover {
    transform: scale(1.08);
    box-shadow: 0 2px 12px rgba(var(--cb-accent-rgb), .4);
}

.chatbot-input__send:active {
    transform: scale(.95);
}

/* ============================================================
   11. RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .chatbot-panel {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100%;
        max-height: 100vh;
        max-height: 100dvh;
        border-radius: 0;
        border: none;
    }

    .chatbot-panel.active {
        transform: translateY(0) scale(1);
    }

    .chatbot-toggle {
        bottom: 1rem;
        right: 1rem;
        width: 3.25rem;
        height: 3.25rem;
    }

    .chatbot-toggle__icon {
        width: 1.35rem;
        height: 1.35rem;
    }
}

@media (max-width: 480px) {
    .chatbot-msg {
        max-width: 88%;
    }

    .chatbot-welcome__chips {
        max-width: 280px;
    }

    .chatbot-welcome__chip {
        font-size: 12px;
        padding: .4rem .8rem;
    }
}