/* ═══════════════════════════════════════════
   AI CHAT — PREMIUM DARK INTERFACE
   ═══════════════════════════════════════════ */

/* ─── Layout ─── */
.chat-layout {
    display: flex;
    height: calc(100vh - var(--nav-h) - var(--main-nav));
    margin: 0;
    position: relative;
    overflow: hidden;
}

/* Override main padding for chat page */
.e-main:has(.chat-layout) {
    padding: 0;
    overflow: hidden;
    min-height: auto;
    height: calc(100vh - var(--nav-h) - var(--main-nav));
}

/* ═══════════════════════════════════════════
   SUGGESTED QUESTIONS SIDEBAR
   ═══════════════════════════════════════════ */
.chat-sidebar {
    width: 300px;
    min-width: 300px;
    height: 100%;
    background: rgba(12, 14, 18, .95);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: all .35s var(--ease);
    overflow: hidden;
    position: relative;
    z-index: 10;
}
.chat-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, rgba(168,85,247,.15), transparent 30%, transparent 70%, rgba(59,130,246,.15));
    pointer-events: none;
}
.chat-sidebar.collapsed {
    width: 0;
    min-width: 0;
    border-right: none;
}
.chat-sidebar.collapsed * {
    opacity: 0;
    pointer-events: none;
}

.chat-sidebar-head {
    padding: 20px 20px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}
.chat-sidebar-head h3 {
    font-size: .88rem;
    font-weight: 700;
    color: var(--text2);
    display: flex;
    align-items: center;
    gap: 8px;
}
.chat-sidebar-head h3 i {
    color: #fbbf24;
    font-size: .85rem;
}
.chat-sidebar-close {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.chat-sidebar-close:hover {
    background: var(--surface2);
    color: var(--text);
}

.chat-sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 14px;
}

/* Suggest Groups */
.suggest-group {
    margin-bottom: 20px;
}
.suggest-label {
    font-size: .68rem;
    font-weight: 700;
    color: var(--dim);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 0 8px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.suggest-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.suggest-dot.erp { background: var(--accent); box-shadow: 0 0 6px rgba(59,130,246,.4); }
.suggest-dot.crm { background: var(--purple); box-shadow: 0 0 6px rgba(168,85,247,.4); }
.suggest-dot.wms { background: var(--teal); box-shadow: 0 0 6px rgba(20,184,166,.4); }

.suggest-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--muted);
    font-size: .8rem;
    font-family: var(--font);
    cursor: pointer;
    transition: all .2s var(--ease);
    text-align: left;
    margin-bottom: 2px;
}
.suggest-btn i {
    font-size: .75rem;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
    opacity: .6;
    transition: opacity .2s;
}
.suggest-btn:hover {
    background: rgba(59,130,246,.06);
    border-color: rgba(59,130,246,.1);
    color: var(--text2);
}
.suggest-btn:hover i {
    opacity: 1;
    color: var(--accent);
}
.suggest-btn:active {
    transform: scale(.98);
}

/* ═══════════════════════════════════════════
   CHAT MAIN AREA
   ═══════════════════════════════════════════ */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(168,85,247,.03), transparent),
        radial-gradient(ellipse 50% 30% at 80% 100%, rgba(59,130,246,.03), transparent);
}

/* ═══════════════════════════════════════════
   CHAT MESSAGES
   ═══════════════════════════════════════════ */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 0;
    scroll-behavior: smooth;
}

/* Welcome Screen */
.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn .6s var(--ease) both;
}
.welcome-icon {
    position: relative;
    margin-bottom: 28px;
}
.welcome-orb {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    position: relative;
    z-index: 1;
    animation: orbFloat 4s ease-in-out infinite;
}
@keyframes orbFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
}
.welcome-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,.2), transparent 70%);
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { opacity: .6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}
.chat-welcome h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text), var(--text2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.chat-welcome p {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
    max-width: 420px;
}
.welcome-chips {
    display: flex;
    gap: 10px;
    margin-top: 28px;
    flex-wrap: wrap;
    justify-content: center;
}
.welcome-chip {
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid var(--border2);
    background: var(--surface);
    color: var(--text2);
    font-size: .82rem;
    font-family: var(--font);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all .25s var(--ease);
}
.welcome-chip i {
    font-size: .78rem;
    color: var(--accent2);
}
.welcome-chip:hover {
    border-color: rgba(168,85,247,.3);
    background: rgba(168,85,247,.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.welcome-chip:active {
    transform: translateY(0) scale(.97);
}

/* ═══════════════════════════════════════════
   MESSAGE BUBBLES
   ═══════════════════════════════════════════ */
.chat-msg {
    padding: 4px 0;
    animation: msgFadeIn .35s var(--ease) both;
}
@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.chat-msg-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    gap: 14px;
}

/* User message */
.chat-msg.user .chat-msg-inner {
    flex-direction: row-reverse;
}
.chat-msg-avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .82rem;
    flex-shrink: 0;
    margin-top: 4px;
}
.chat-msg.user .chat-msg-avatar {
    background: linear-gradient(135deg, var(--accent), #2563eb);
    color: #fff;
    font-weight: 700;
    font-size: .7rem;
}
.chat-msg.ai .chat-msg-avatar {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: #fff;
}
.chat-msg-content {
    flex: 1;
    min-width: 0;
}
.chat-msg.user .chat-msg-content {
    display: flex;
    justify-content: flex-end;
}
.chat-bubble {
    padding: 14px 18px;
    border-radius: 16px;
    font-size: .87rem;
    line-height: 1.7;
    position: relative;
    word-break: break-word;
}
.chat-msg.user .chat-bubble {
    background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(99,102,241,.12));
    border: 1px solid rgba(59,130,246,.12);
    color: var(--text);
    border-top-right-radius: 4px;
    max-width: 75%;
}
.chat-msg.ai .chat-bubble {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-top-left-radius: 4px;
    max-width: 100%;
    overflow-x: auto;
}

/* AI bubble content styling */
.chat-bubble p {
    margin: 0 0 8px 0;
}
.chat-bubble p:last-child {
    margin-bottom: 0;
}
.chat-bubble strong, .chat-bubble b {
    color: var(--text);
    font-weight: 700;
}
.chat-bubble ul, .chat-bubble ol {
    margin: 8px 0;
    padding-left: 20px;
}
.chat-bubble li {
    margin-bottom: 4px;
}
.chat-bubble code {
    background: var(--surface2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: .82rem;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #e2e8f0;
}

/* ─── Badge rendering inside bubbles ─── */
.chat-bubble .tag-badge {
    display: inline-flex;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: .72rem;
    font-weight: 600;
}
.tag-badge.type { background: rgba(59,130,246,.12); color: #60a5fa; border:1px solid rgba(59,130,246,.15); }
.tag-badge.ok { background: rgba(34,197,94,.1); color: #4ade80; border:1px solid rgba(34,197,94,.12); }
.tag-badge.warn { background: rgba(245,158,11,.1); color: #fbbf24; border:1px solid rgba(245,158,11,.12); }
.tag-badge.danger { background: rgba(239,68,68,.1); color: #f87171; border:1px solid rgba(239,68,68,.12); }
.tag-badge.info { background: rgba(168,85,247,.1); color: #c084fc; border:1px solid rgba(168,85,247,.12); }
.tag-badge.vip { background: linear-gradient(135deg,rgba(255,200,60,.15),rgba(255,160,20,.1)); color: #ffd700; border:1px solid rgba(255,200,60,.2); text-shadow:0 0 6px rgba(255,200,60,.3); }
.tag-badge.grade { background: rgba(6,182,212,.1); color: #22d3ee; border:1px solid rgba(6,182,212,.12); }
.tag-badge.temp-rt { background: rgba(100,116,139,.1); color: #94a3b8; border:1px solid rgba(100,116,139,.12); }
.tag-badge.temp-cold { background: rgba(59,130,246,.1); color: #60a5fa; border:1px solid rgba(59,130,246,.12); }
.tag-badge.temp-frozen { background: rgba(139,92,246,.1); color: #a78bfa; border:1px solid rgba(139,92,246,.12); }

/* ─── Progress bar inside AI answer ─── */
.ai-progress {
    display: inline-flex; align-items: center; gap: 8px;
    width: 200px; height: 12px; position: relative;
    background: var(--surface2); border-radius: 6px;
    overflow: hidden; margin: 4px 0;
    border: 1px solid var(--border);
}
.ai-progress-bar {
    height: 100%; border-radius: 6px;
    background: linear-gradient(90deg, #3b82f6, #818cf8);
    transition: width .6s var(--ease);
    box-shadow: 0 0 8px rgba(59,130,246,.3);
}
.ai-progress-label {
    position: absolute; right: -45px; top: -1px;
    font-size: .72rem; font-weight: 700; color: var(--text2);
    font-family: var(--en);
}
/* Color variants based on percentage */
.ai-progress-bar[style*="width:9"],
.ai-progress-bar[style*="width:8"] { background: linear-gradient(90deg, #ef4444, #f97316); }
.ai-progress-bar[style*="width:7"],
.ai-progress-bar[style*="width:6"] { background: linear-gradient(90deg, #f59e0b, #eab308); }

/* ─── Tree structure ─── */
.tree-branch { color: var(--accent); font-family: monospace; }
.tree-line { color: rgba(59,130,246,.3); font-family: monospace; }

/* ─── Insight headers ─── */
.ai-insight-header {
    display: block; margin: 12px 0 6px;
    padding: 8px 14px; border-radius: 8px;
    background: linear-gradient(135deg, rgba(59,130,246,.06), rgba(139,92,246,.04));
    border-left: 3px solid var(--accent);
    font-weight: 700; font-size: .88rem;
}

/* ─── Suggest dot colors ─── */
.suggest-dot.ai { background: linear-gradient(135deg, #a855f7, #ec4899); }

/* ═══════════════════════════════════════════
   TABLE INSIDE BUBBLE
   ═══════════════════════════════════════════ */
.chat-table-wrap {
    margin: 12px 0;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow-x: auto;
    background: var(--surface2);
}
.chat-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: .78rem;
}
.chat-table-wrap thead {
    background: rgba(59,130,246,.06);
}
.chat-table-wrap th {
    padding: 10px 14px;
    text-align: left;
    font-size: .7rem;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: .5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.chat-table-wrap td {
    padding: 9px 14px;
    border-bottom: 1px solid rgba(255,255,255,.03);
    color: var(--text2);
    white-space: nowrap;
}
.chat-table-wrap tbody tr:hover {
    background: rgba(59,130,246,.03);
}
.chat-table-wrap tbody tr:last-child td {
    border-bottom: none;
}
.chat-table-info {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-top: 1px solid var(--border);
    font-size: .72rem;
    color: var(--dim);
}
.chat-table-info i { font-size: .65rem; }

/* Markdown table inside bubble */
.chat-bubble table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: .78rem;
}
.chat-bubble table th {
    padding: 8px 12px;
    background: rgba(59,130,246,.06);
    border-bottom: 1px solid var(--border);
    font-size: .7rem;
    font-weight: 700;
    color: var(--muted);
    text-align: left;
    white-space: nowrap;
}
.chat-bubble table td {
    padding: 7px 12px;
    border-bottom: 1px solid rgba(255,255,255,.03);
    white-space: nowrap;
}

/* ═══════════════════════════════════════════
   SQL COLLAPSIBLE
   ═══════════════════════════════════════════ */
.chat-sql-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--dim);
    font-size: .72rem;
    font-family: var(--font);
    cursor: pointer;
    transition: all .2s;
}
.chat-sql-toggle i {
    font-size: .6rem;
    transition: transform .2s;
}
.chat-sql-toggle.open i {
    transform: rotate(90deg);
}
.chat-sql-toggle:hover {
    border-color: var(--border2);
    color: var(--muted);
    background: var(--surface2);
}
.chat-sql-block {
    margin-top: 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease), opacity .3s;
    opacity: 0;
}
.chat-sql-block.open {
    max-height: 400px;
    opacity: 1;
}
.chat-sql-code {
    background: rgba(0,0,0,.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-family: 'Consolas', 'Monaco', 'Fira Code', monospace;
    font-size: .78rem;
    line-height: 1.6;
    color: #a5f3fc;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    position: relative;
}
.chat-sql-code .sql-keyword {
    color: #c084fc;
    font-weight: 600;
}
.chat-sql-code .sql-function {
    color: #fbbf24;
}
.chat-sql-code .sql-string {
    color: #86efac;
}
.chat-sql-code .sql-number {
    color: #fb923c;
}
.sql-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--dim);
    font-size: .68rem;
    font-family: var(--font);
    cursor: pointer;
    transition: all .2s;
}
.sql-copy-btn:hover {
    color: var(--text);
    border-color: var(--border2);
}

/* ═══════════════════════════════════════════
   TYPING INDICATOR
   ═══════════════════════════════════════════ */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 12px 18px;
}
.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--muted);
    animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: .15s; }
.typing-dot:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: .4; }
    30% { transform: translateY(-8px); opacity: 1; }
}

/* ═══════════════════════════════════════════
   INPUT BAR
   ═══════════════════════════════════════════ */
.chat-input-wrap {
    padding: 0 24px 16px;
    position: relative;
}
.chat-input-bar {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 10px 12px 10px 8px;
    background: var(--glass-bg);
    border: 1px solid var(--border2);
    border-radius: 16px;
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    box-shadow:
        0 -4px 32px rgba(0,0,0,.15),
        0 0 0 1px rgba(255,255,255,.03) inset;
    transition: border-color .25s, box-shadow .25s;
}
.chat-input-bar:focus-within {
    border-color: rgba(168,85,247,.3);
    box-shadow:
        0 -4px 32px rgba(0,0,0,.15),
        0 0 0 1px rgba(168,85,247,.08) inset,
        0 0 20px rgba(168,85,247,.06);
}

.chat-sidebar-toggle {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    flex-shrink: 0;
    transition: all .2s;
}
.chat-sidebar-toggle:hover {
    background: var(--accent-soft);
    color: #fbbf24;
}

.chat-input-field {
    flex: 1;
    min-width: 0;
}
.chat-input-field textarea {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-size: .88rem;
    font-family: var(--font);
    line-height: 1.5;
    resize: none;
    padding: 8px 4px;
    max-height: 120px;
    overflow-y: auto;
}
.chat-input-field textarea::placeholder {
    color: var(--dim);
}

.chat-send-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    flex-shrink: 0;
    transition: all .2s var(--ease);
    box-shadow: 0 2px 10px rgba(168,85,247,.25);
}
.chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(168,85,247,.35);
}
.chat-send-btn:active {
    transform: scale(.95);
}
.chat-send-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.chat-input-hint {
    max-width: 1100px;
    margin: 6px auto 0;
    text-align: center;
    font-size: .68rem;
    color: var(--dim);
}
.chat-input-hint kbd {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 5px;
    font-family: var(--en);
    font-size: .62rem;
}

/* ═══════════════════════════════════════════
   META (row count, timestamp)
   ═══════════════════════════════════════════ */
.chat-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    font-size: .7rem;
    color: var(--dim);
}
.chat-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}
.chat-meta-item i {
    font-size: .6rem;
}

/* ═══════════════════════════════════════════
   ERROR MESSAGE
   ═══════════════════════════════════════════ */
.chat-error {
    padding: 12px 16px;
    border-radius: var(--radius);
    background: rgba(239,68,68,.06);
    border: 1px solid rgba(239,68,68,.12);
    color: #f87171;
    font-size: .82rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.chat-error i {
    font-size: .85rem;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .chat-sidebar {
        position: fixed;
        top: var(--nav-h);
        left: var(--side-w);
        bottom: 0;
        z-index: 100;
        box-shadow: var(--shadow-lg);
    }
    .chat-sidebar.collapsed {
        left: -300px;
    }
}
@media (max-width: 768px) {
    .chat-sidebar {
        left: 0;
        width: 280px;
        min-width: 280px;
    }
    .chat-msg-inner {
        padding: 0 16px;
    }
    .chat-input-wrap {
        padding: 0 12px 12px;
    }
    .welcome-chips {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ═══════════════════════════════════════════
   SCROLLBAR for chat area
   ═══════════════════════════════════════════ */
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,.06); border-radius: 3px; }
.chat-messages::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.12); }

/* ═══════════════════════════════════════════
   LOADING SHIMMER for send button
   ═══════════════════════════════════════════ */
.chat-send-btn.loading {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    animation: sendPulse 1.2s ease-in-out infinite;
}
@keyframes sendPulse {
    0%, 100% { box-shadow: 0 2px 10px rgba(168,85,247,.25); }
    50% { box-shadow: 0 2px 20px rgba(168,85,247,.5); }
}