/* ==========================================
   X-MESSAGE — Full Stylesheet
   ========================================== */

:root {
    --c-bg:      #09090b;
    --c-bg1:     #0f0f12;
    --c-bg2:     #17171c;
    --c-bg3:     #1f1f26;
    --c-bg4:     #27272f;
    --c-surface: #111115;
    --c-hover:   #1a1a22;
    --c-active:  #222230;
    --c-input:   #0d0d11;
    --c-code:    #0c0c10;

    --c-tx:      #e4e4e8;
    --c-tx2:     #8c8c9a;
    --c-tx3:     #55555f;
    --c-tx4:     #3a3a44;

    --c-border:  #1e1e28;
    --c-border2: #2a2a35;

    --c-accent:  #5b5bf0;
    --c-accent2: #7070f8;
    --c-accent-bg: rgba(91,91,240,.08);

    --c-green:   #22c55e;
    --c-red:     #ef4444;
    --c-yellow:  #eab308;
    --c-blue:    #3b82f6;

    --c-user:    #5b5bf0;
    --c-ai:      #27272f;

    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;

    --sidebar: 272px;
    --header: 52px;

    --f-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --f-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --ease:  cubic-bezier(.22,1,.36,1);
    --ease2: cubic-bezier(.4,0,.2,1);
}

[data-theme="light"] {
    --c-bg:      #ffffff;
    --c-bg1:     #f8f8fa;
    --c-bg2:     #f0f0f3;
    --c-bg3:     #e8e8ec;
    --c-bg4:     #dddde2;
    --c-surface: #fafafa;
    --c-hover:   #f0f0f4;
    --c-active:  #e6e6ee;
    --c-input:   #f4f4f8;
    --c-code:    #1a1a24;
    --c-tx:      #111118;
    --c-tx2:     #64646e;
    --c-tx3:     #9999a4;
    --c-tx4:     #c0c0c8;
    --c-border:  #e4e4ea;
    --c-border2: #d0d0d8;
    --c-ai:      #f0f0f4;
}

/* Reset */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box }
html { font-size:16px; -webkit-font-smoothing:antialiased }
body {
    font-family: var(--f-sans);
    background: var(--c-bg);
    color: var(--c-tx);
    height: 100dvh;
    overflow: hidden;
    line-height: 1.5;
}
button, input, select, textarea { font-family:inherit; font-size:inherit; color:inherit }
a { color: var(--c-accent); text-decoration: none }
a:hover { text-decoration: underline }

::-webkit-scrollbar { width:4px; height:4px }
::-webkit-scrollbar-track { background:transparent }
::-webkit-scrollbar-thumb { background:var(--c-border); border-radius:4px }
::selection { background:rgba(91,91,240,.25) }

/* Layout */
.app { display:flex; height:100dvh }

/* ==========================================
   SIDEBAR
   ========================================== */
.sidebar {
    width: var(--sidebar);
    min-width: var(--sidebar);
    background: var(--c-bg1);
    border-right: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: transform .28s var(--ease);
}

.s-logo {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 16px 12px;
    border-bottom: 1px solid var(--c-border);
}
.s-logo-mark {
    width: 32px; height: 32px;
    background: var(--c-accent);
    border-radius: var(--r-md);
    display: grid; place-items: center;
    color: #fff; flex-shrink: 0;
}
.s-logo-name {
    display: block; font-size: 14px;
    font-weight: 700; letter-spacing: -.02em;
}
.s-logo-sub {
    display: block; font-size: 10px;
    color: var(--c-tx3); font-weight: 500;
    letter-spacing: .02em; text-transform: uppercase;
}
.s-close {
    display: none; margin-left: auto;
    width: 28px; height: 28px;
    background: 0; border: 0;
    color: var(--c-tx2); cursor: pointer;
    border-radius: var(--r-sm); transition: .15s;
}
.s-close:hover { background: var(--c-hover); color: var(--c-tx) }

/* New chat */
.s-new {
    display: flex; align-items: center; gap: 8px;
    margin: 10px 10px 6px; padding: 9px 14px;
    background: var(--c-accent); color: #fff;
    border: 0; border-radius: var(--r-md);
    font-size: 13px; font-weight: 600;
    cursor: pointer; transition: .18s var(--ease2);
}
.s-new:hover { background: var(--c-accent2); transform: translateY(-1px) }
.s-new:active { transform: translateY(0) }

/* Search */
.s-search {
    display: flex; align-items: center; gap: 6px;
    margin: 4px 10px 2px; padding: 7px 10px;
    background: var(--c-bg2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    transition: border-color .15s;
}
.s-search:focus-within { border-color: var(--c-accent) }
.s-search svg { color: var(--c-tx3); flex-shrink: 0 }
.s-search input {
    flex: 1; background: 0; border: 0; outline: 0;
    font-size: 12px; color: var(--c-tx);
}
.s-search input::placeholder { color: var(--c-tx3) }

/* Sections */
.s-section { display: flex; flex-direction: column; min-height: 0 }
.s-section:first-of-type { flex: 1; overflow: hidden }
.s-section--users {
    flex: 0 0 auto; max-height: 220px;
    border-top: 1px solid var(--c-border);
}
.s-label {
    padding: 10px 16px 4px;
    font-size: 10px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--c-tx3);
    display: flex; align-items: center;
}
.s-badge {
    margin-left: auto;
    background: var(--c-green); color: #fff;
    font-size: 9px; padding: 0 5px;
    border-radius: 99px; line-height: 16px;
}

/* Chat list */
.s-chats { flex: 1; overflow-y: auto; padding: 2px 6px }
.s-chat {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: var(--r-sm);
    cursor: pointer; transition: background .12s;
    position: relative; font-size: 13px;
}
.s-chat:hover { background: var(--c-hover) }
.s-chat.on { background: var(--c-accent-bg); color: var(--c-accent) }
.s-chat svg { flex-shrink: 0; opacity: .4 }
.s-chat-text {
    flex: 1; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}
.s-chat-del {
    position: absolute; right: 4px; top: 50%;
    transform: translateY(-50%);
    width: 24px; height: 24px;
    background: 0; border: 0; color: var(--c-tx3);
    border-radius: var(--r-xs); cursor: pointer;
    display: grid; place-items: center;
    opacity: 0; transition: .12s;
}
.s-chat:hover .s-chat-del { opacity: 1 }
.s-chat-del:hover { background: var(--c-hover); color: var(--c-red) }

/* User list */
.s-users { overflow-y: auto; padding: 2px 6px }

.s-user {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; border-radius: var(--r-sm);
    font-size: 12px; color: var(--c-tx2);
    transition: background .12s;
}
.s-user:hover { background: var(--c-hover) }

.s-user.is-bot {
    color: var(--c-tx);
    background: var(--c-accent-bg);
    border: 1px solid rgba(91,91,240,.1);
    margin-bottom: 2px;
}
.s-user.is-bot .s-user-ava { background: var(--c-accent) !important; font-size: 12px }
.s-user.is-bot .s-user-name { font-weight: 600 }
.s-user.is-bot .s-user-role { color: var(--c-accent) }

.s-user.is-me {
    background: rgba(34,197,94,.06);
    border: 1px solid rgba(34,197,94,.1);
}
.s-user-you {
    font-size: 9px; color: var(--c-green);
    font-weight: 400; margin-left: 3px;
}

.s-user-ava {
    width: 26px; height: 26px;
    border-radius: var(--r-sm);
    display: grid; place-items: center;
    font-size: 10px; font-weight: 700;
    color: #fff; flex-shrink: 0;
}
.s-user-info { flex: 1; min-width: 0 }
.s-user-name {
    display: block; font-size: 12px; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.s-user-role {
    display: block; font-size: 9px; color: var(--c-tx3);
    text-transform: uppercase; letter-spacing: .03em;
}
.s-user-status { margin-left: auto; flex-shrink: 0 }
.s-user-dot {
    width: 6px; height: 6px;
    border-radius: 50%; background: var(--c-green);
    display: block;
}
.s-user-dot.bot-dot {
    background: var(--c-accent);
    box-shadow: 0 0 6px rgba(91,91,240,.4);
}

/* Profile */
.s-profile {
    padding: 10px 12px;
    border-top: 1px solid var(--c-border);
    display: flex; align-items: center; gap: 10px;
}
.s-profile-ava {
    width: 32px; height: 32px;
    border-radius: var(--r-md);
    background: var(--c-accent); color: #fff;
    font-weight: 700; font-size: 12px;
    display: grid; place-items: center; flex-shrink: 0;
}
.s-profile-info { flex: 1; min-width: 0 }
.s-profile-name {
    display: block; font-size: 13px; font-weight: 600;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.s-profile-status {
    display: flex; align-items: center; gap: 4px;
    font-size: 10px; color: var(--c-green);
}
.status-dot {
    width: 5px; height: 5px;
    border-radius: 50%; background: var(--c-green);
    display: inline-block;
}
.s-profile-btn {
    width: 30px; height: 30px;
    background: 0; border: 0;
    color: var(--c-tx2); border-radius: var(--r-sm);
    display: grid; place-items: center;
    cursor: pointer; transition: .12s;
}
.s-profile-btn:hover { background: var(--c-hover); color: var(--c-tx) }

/* Overlay */
.s-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.5); z-index: 199;
}
.s-overlay.on { display: block }

/* ==========================================
   MAIN
   ========================================== */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0 }

/* Header */
.hdr {
    height: var(--header);
    display: flex; align-items: center; gap: 10px;
    padding: 0 16px;
    background: var(--c-bg1);
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
}
.hdr-menu {
    display: none; width: 32px; height: 32px;
    background: 0; border: 0; color: var(--c-tx2);
    border-radius: var(--r-sm); cursor: pointer; transition: .12s;
}
.hdr-menu:hover { background: var(--c-hover); color: var(--c-tx) }
.hdr-info { flex: 1; min-width: 0 }
.hdr-title { font-size: 14px; font-weight: 700; letter-spacing: -.01em }
.hdr-meta {
    display: flex; align-items: center; gap: 5px;
    font-size: 11px; color: var(--c-tx2);
}
.hdr-dot {
    width: 6px; height: 6px;
    border-radius: 50%; background: var(--c-green);
    flex-shrink: 0;
}
.hdr-actions { display: flex; align-items: center; gap: 6px }
.hdr-model {
    background: var(--c-bg2); color: var(--c-tx);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    padding: 4px 8px; font-size: 11px;
    outline: 0; cursor: pointer;
}
.hdr-model:focus { border-color: var(--c-accent) }
.hdr-btn {
    width: 30px; height: 30px;
    background: 0; border: 0;
    color: var(--c-tx2); border-radius: var(--r-sm);
    display: grid; place-items: center;
    cursor: pointer; transition: .12s;
}
.hdr-btn:hover { background: var(--c-hover); color: var(--c-tx) }

/* ==========================================
   CHAT
   ========================================== */
.chat {
    flex: 1; overflow-y: auto; overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Welcome */
.wc {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; min-height: 100%;
    padding: 40px 24px;
}
.wc-icon {
    width: 80px; height: 80px;
    background: var(--c-accent-bg);
    border: 1px solid rgba(91,91,240,.15);
    border-radius: var(--r-xl);
    display: grid; place-items: center;
    color: var(--c-accent); margin-bottom: 20px;
}
.wc-title {
    font-size: 22px; font-weight: 700;
    margin-bottom: 4px; letter-spacing: -.02em;
}
.wc-desc {
    color: var(--c-tx2); font-size: 13px;
    margin-bottom: 28px;
}

.wc-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 8px; max-width: 440px; width: 100%;
}
.wc-grid button {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px; background: var(--c-bg2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    color: var(--c-tx); font-size: 12px;
    cursor: pointer; text-align: left;
    transition: .18s var(--ease2);
}
.wc-grid button:hover {
    border-color: var(--c-accent);
    background: var(--c-hover);
    transform: translateY(-1px);
}
.wc-g-icon {
    width: 34px; height: 34px;
    background: var(--c-accent-bg);
    border-radius: var(--r-sm);
    display: grid; place-items: center;
    color: var(--c-accent); flex-shrink: 0;
}
.wc-g-text { line-height: 1.3; font-weight: 500 }

/* Messages */
.msg-wrap {
    max-width: 780px; margin: 0 auto;
    padding: 8px 24px 24px;
}

.msg {
    display: flex; gap: 12px; padding: 18px 0;
    animation: msgFade .25s var(--ease2);
}
.msg + .msg { border-top: 1px solid var(--c-border) }

.msg-ava {
    width: 30px; height: 30px;
    border-radius: var(--r-sm);
    display: grid; place-items: center;
    flex-shrink: 0; font-size: 11px;
    font-weight: 700; color: #fff;
}
.msg-ava.u { background: var(--c-user) }
.msg-ava.a { background: var(--c-bg3); color: var(--c-accent) }

.msg-body { flex: 1; min-width: 0 }
.msg-hd {
    display: flex; align-items: baseline;
    gap: 8px; margin-bottom: 3px;
}
.msg-name { font-size: 13px; font-weight: 600 }
.msg-time { font-size: 10px; color: var(--c-tx3) }
.msg-tx {
    font-size: 13.5px; line-height: 1.7;
    word-wrap: break-word; overflow-wrap: break-word;
}

/* Markdown */
.msg-tx p { margin: 0 0 8px }
.msg-tx p:last-child { margin: 0 }
.msg-tx ul, .msg-tx ol { padding-left: 20px; margin: 0 0 8px }
.msg-tx li { margin: 0 0 2px }
.msg-tx blockquote {
    border-left: 2px solid var(--c-accent);
    padding: 4px 12px; margin: 8px 0;
    background: var(--c-accent-bg);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    color: var(--c-tx2);
}
.msg-tx h1, .msg-tx h2, .msg-tx h3 { margin: 16px 0 6px; font-weight: 600 }
.msg-tx h1 { font-size: 18px }
.msg-tx h2 { font-size: 16px }
.msg-tx h3 { font-size: 14px }
.msg-tx hr { border: 0; border-top: 1px solid var(--c-border); margin: 14px 0 }
.msg-tx strong { font-weight: 600 }
.msg-tx em { color: var(--c-tx2) }
.msg-tx table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 12px }
.msg-tx th, .msg-tx td { border: 1px solid var(--c-border); padding: 5px 8px; text-align: left }
.msg-tx th { background: var(--c-bg3); font-weight: 600 }

/* Inline code */
.msg-tx code:not(pre code) {
    background: var(--c-bg3); padding: 1px 4px;
    border-radius: 3px; font-family: var(--f-mono);
    font-size: 12px; color: var(--c-accent2);
}

/* Code block */
.cb {
    margin: 10px 0; border-radius: var(--r-md);
    border: 1px solid var(--c-border); overflow: hidden;
}
.cb-hd {
    display: flex; align-items: center;
    justify-content: space-between;
    padding: 5px 12px; background: var(--c-bg3);
    border-bottom: 1px solid var(--c-border);
    font-size: 11px; color: var(--c-tx3);
    font-family: var(--f-mono);
}
.cb-cp {
    background: 0; border: 0; color: var(--c-tx3);
    font-size: 11px; cursor: pointer;
    padding: 2px 6px; border-radius: 3px;
    transition: .12s; font-family: var(--f-sans);
}
.cb-cp:hover { background: var(--c-hover); color: var(--c-tx) }
.cb-cp.ok { color: var(--c-green) }
.cb pre { margin: 0; padding: 12px 14px; background: var(--c-code) !important; overflow-x: auto }
.cb code { font-family: var(--f-mono); font-size: 12px; line-height: 1.55 }

/* Msg actions */
.msg-acts {
    display: flex; gap: 3px; margin-top: 6px;
    opacity: 0; transition: opacity .12s;
}
.msg:hover .msg-acts { opacity: 1 }
.msg-act {
    display: flex; align-items: center; gap: 3px;
    padding: 3px 8px; background: 0;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    color: var(--c-tx3); font-size: 11px;
    cursor: pointer; transition: .12s;
}
.msg-act:hover {
    background: var(--c-hover);
    color: var(--c-tx);
    border-color: var(--c-border2);
}
.msg-act svg { width: 12px; height: 12px }

/* Streaming */
.streaming::after {
    content: ''; display: inline-block;
    width: 2px; height: 14px;
    background: var(--c-accent);
    margin-left: 2px; vertical-align: text-bottom;
    animation: cursorBlink .7s step-end infinite;
}

/* Typing */
.typing {
    display: none; align-items: center; gap: 10px;
    padding: 12px 24px; max-width: 780px; margin: 0 auto;
}
.typing.on { display: flex }
.typing-ava {
    width: 30px; height: 30px;
    border-radius: var(--r-sm);
    background: var(--c-bg3); color: var(--c-accent);
    display: grid; place-items: center; flex-shrink: 0;
}
.typing-bar {
    width: 48px; height: 20px;
    background: var(--c-bg3);
    border-radius: var(--r-lg);
    overflow: hidden; position: relative;
}
.typing-pulse {
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, var(--c-accent-bg), transparent);
    animation: typePulse 1.4s ease-in-out infinite;
}

/* ==========================================
   INPUT
   ========================================== */
.inp-area { padding: 8px 24px 12px; background: var(--c-bg) }
.inp-box {
    display: flex; align-items: flex-end; gap: 4px;
    max-width: 780px; margin: 0 auto;
    background: var(--c-input);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 6px 8px 6px 14px;
    transition: border-color .15s, box-shadow .15s;
}
.inp-box:focus-within {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 2px var(--c-accent-bg);
}
.inp-box textarea {
    flex: 1; background: 0; border: 0; outline: 0;
    color: var(--c-tx); font-size: 13px;
    line-height: 1.5; resize: none;
    max-height: 160px; padding: 5px 0; min-height: 22px;
}
.inp-box textarea::placeholder { color: var(--c-tx3) }
.inp-right { display: flex; align-items: center; gap: 6px; flex-shrink: 0 }
.inp-cnt { font-size: 10px; color: var(--c-tx4) }

.inp-send {
    width: 32px; height: 32px;
    background: var(--c-accent); border: 0;
    border-radius: var(--r-sm); color: #fff;
    display: grid; place-items: center;
    cursor: pointer; transition: .15s var(--ease2);
    opacity: .35;
}
.inp-send:not(:disabled) { opacity: 1 }
.inp-send:not(:disabled):hover { background: var(--c-accent2); transform: scale(1.04) }
.inp-send:disabled { cursor: default }

.inp-stop {
    display: none; width: 32px; height: 32px;
    background: var(--c-red); border: 0;
    border-radius: var(--r-sm); color: #fff;
    cursor: pointer; transition: .12s;
    animation: pulse 1.6s infinite;
}
.inp-stop:hover { opacity: .85; transform: scale(1.04) }

.inp-footer {
    max-width: 780px; margin: 4px auto 0;
    text-align: center; font-size: 10px; color: var(--c-tx4);
}

/* ==========================================
   MODAL
   ========================================== */
.modal-bg {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(4px); z-index: 500;
}
.modal-bg.on { display: grid; place-items: center }
.modal {
    background: var(--c-bg1);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    width: 92%; max-width: 400px;
    animation: modalUp .22s var(--ease);
}
.modal-hd {
    display: flex; align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--c-border);
}
.modal-hd h3 { font-size: 15px; font-weight: 700 }
.modal-x {
    width: 28px; height: 28px;
    background: 0; border: 0;
    color: var(--c-tx2); border-radius: var(--r-sm);
    display: grid; place-items: center;
    cursor: pointer; transition: .12s;
}
.modal-x:hover { background: var(--c-hover); color: var(--c-tx) }

.modal-bd { padding: 16px 20px }
.field { margin-bottom: 16px }
.field:last-child { margin-bottom: 0 }
.field label {
    display: block; font-size: 11px; font-weight: 600;
    color: var(--c-tx2); margin-bottom: 5px;
    text-transform: uppercase; letter-spacing: .03em;
}
.field-val { font-weight: 700; color: var(--c-accent); text-transform: none }
.field--row { display: flex; align-items: center; justify-content: space-between }
.field--row label { margin: 0 }
.field input[type="text"],
.field input[type="number"] {
    display: block; width: 100%; padding: 7px 10px;
    background: var(--c-input);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    color: var(--c-tx); outline: 0;
    font-size: 13px; transition: .12s;
}
.field input:focus { border-color: var(--c-accent) }
.field input[type="range"] {
    display: block; width: 100%;
    -webkit-appearance: none;
    height: 4px; background: var(--c-bg3);
    border-radius: 2px; outline: 0; margin-top: 2px;
}
.field input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    background: var(--c-accent);
    border-radius: 50%; cursor: pointer;
}

.switch { position: relative; display: inline-block; width: 36px; height: 20px; cursor: pointer }
.switch input { opacity: 0; width: 0; height: 0 }
.switch-track {
    position: absolute; inset: 0;
    background: var(--c-bg3); border-radius: 10px;
    transition: .2s;
}
.switch-track::before {
    content: ''; position: absolute;
    width: 16px; height: 16px; left: 2px; top: 2px;
    background: var(--c-tx2); border-radius: 50%;
    transition: .2s;
}
.switch input:checked + .switch-track { background: var(--c-accent) }
.switch input:checked + .switch-track::before { transform: translateX(16px); background: #fff }

.theme-sel { display: flex; gap: 6px }
.theme-opt {
    flex: 1; padding: 7px;
    background: var(--c-bg2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    color: var(--c-tx); font-size: 12px; font-weight: 500;
    cursor: pointer; transition: .12s;
}
.theme-opt.active {
    background: var(--c-accent-bg);
    border-color: var(--c-accent);
    color: var(--c-accent);
}
.theme-opt:hover:not(.active) { background: var(--c-hover) }

.modal-ft {
    display: flex; justify-content: flex-end; gap: 8px;
    padding: 12px 20px 16px;
    border-top: 1px solid var(--c-border);
}

.btn {
    padding: 7px 16px; border-radius: var(--r-sm);
    font-size: 13px; font-weight: 500;
    cursor: pointer; border: 0;
    transition: .12s var(--ease2);
}
.btn--fill { background: var(--c-accent); color: #fff }
.btn--fill:hover { background: var(--c-accent2) }
.btn--ghost {
    background: var(--c-bg2); color: var(--c-tx);
    border: 1px solid var(--c-border);
}
.btn--ghost:hover { background: var(--c-hover) }

/* ==========================================
   TOAST
   ========================================== */
.toasts {
    position: fixed; bottom: 16px; right: 16px;
    z-index: 9999; display: flex;
    flex-direction: column; gap: 6px;
}
.toast {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px; background: var(--c-bg3);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    font-size: 12px; max-width: 300px;
    animation: toastSlide .2s var(--ease);
}
.toast.err { border-left: 2px solid var(--c-red) }
.toast.ok  { border-left: 2px solid var(--c-green) }

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes msgFade {
    from { opacity: 0; transform: translateY(6px) }
    to   { opacity: 1; transform: none }
}
@keyframes modalUp {
    from { opacity: 0; transform: translateY(8px) scale(.98) }
    to   { opacity: 1; transform: none }
}
@keyframes toastSlide {
    from { opacity: 0; transform: translateX(12px) }
    to   { opacity: 1; transform: none }
}
@keyframes cursorBlink {
    0%, 100% { opacity: 1 }
    50%      { opacity: 0 }
}
@keyframes typePulse {
    0%   { transform: translateX(-100%) }
    100% { transform: translateX(100%) }
}
@keyframes pulse {
    0%, 100% { opacity: 1 }
    50%      { opacity: .7 }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
        box-shadow: 2px 0 20px rgba(0,0,0,.4);
    }
    .sidebar.open { transform: none }
    .s-close  { display: grid }
    .hdr-menu { display: grid }
    .wc-grid  { grid-template-columns: 1fr }
    .inp-area { padding: 6px 10px 10px }
    .msg-wrap { padding: 8px 14px 14px }
    .hdr      { padding: 0 10px }
    .hdr-model { max-width: 100px }
}
@media (max-width: 440px) {
    .hdr-actions { gap: 4px }
}
/* ---- Groq speed badge ---- */
.speed-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 6px;
    background: rgba(34,197,94,.1);
    border: 1px solid rgba(34,197,94,.15);
    border-radius: 99px;
    font-size: 10px;
    color: var(--c-green);
    font-weight: 500;
    margin-left: 6px;
}
.speed-badge svg {
    width: 10px;
    height: 10px;
}

/* Groq provider label */
.inp-footer {
    max-width: 780px;
    margin: 4px auto 0;
    text-align: center;
    font-size: 10px;
    color: var(--c-tx4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
#speedInfo {
    color: var(--c-green);
    font-weight: 500;
}