/* ============================================================
   SAP Warehouse Copilot — Dashboard Styles
   Color system: NVIDIA Green (#76B900) + SAP Gold (#F0AB00)
   ============================================================ */

:root {
    --nvidia-green: #76B900;
    --nvidia-dark: #1A1A2E;
    --nvidia-darker: #0F0F1A;
    --nvidia-card: #1E1E32;
    --nvidia-border: #2A2A44;
    --sap-gold: #F0AB00;
    --sap-blue: #0070F2;
    --text-primary: #E8E8F0;
    --text-secondary: #9090AA;
    --text-muted: #606078;
    --green: #22C55E;
    --amber: #F59E0B;
    --red: #EF4444;
    --radius: 12px;
    --radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--nvidia-darker);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---- Header ---- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--nvidia-dark);
    border-bottom: 1px solid var(--nvidia-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 14px; }
.logo-icon { flex-shrink: 0; }
.header-title { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.header-sub { font-size: 12px; color: var(--text-secondary); font-weight: 400; }

.header-right { display: flex; align-items: center; gap: 12px; }

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nvidia-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-badge.listening .status-dot { background: var(--sap-gold); animation: pulse 0.5s infinite; }
.status-badge.thinking .status-dot { background: var(--sap-blue); animation: pulse 0.3s infinite; }
.status-badge.speaking .status-dot { background: var(--nvidia-green); animation: none; }

.btn-reset {
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    border-radius: 8px;
    padding: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-reset:hover { background: var(--nvidia-border); color: var(--text-primary); }

/* ---- Main Grid ---- */
.main-grid {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 0;
    height: calc(100vh - 65px);
}

/* ---- KPI Panel (Left) ---- */
.kpi-panel {
    padding: 20px;
    border-right: 1px solid var(--nvidia-border);
    background: var(--nvidia-dark);
    overflow-y: auto;
}

.panel-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.kpi-card {
    padding: 14px;
    border-radius: var(--radius-sm);
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    text-align: center;
    transition: transform 0.2s;
}
.kpi-card:hover { transform: translateY(-2px); }

.kpi-value { font-size: 28px; font-weight: 700; font-family: 'JetBrains Mono', monospace; }
.kpi-label { font-size: 11px; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

.kpi-green .kpi-value { color: var(--green); }
.kpi-amber .kpi-value { color: var(--amber); }
.kpi-red .kpi-value { color: var(--red); }
.kpi-black .kpi-value { color: #FF6B6B; }

/* ---- Tool Log ---- */
.tool-log {
    max-height: 200px;
    overflow-y: auto;
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.tool-empty { color: var(--text-muted); font-style: italic; font-family: 'Inter', sans-serif; }

.tool-entry {
    padding: 8px 10px;
    margin-bottom: 6px;
    background: var(--nvidia-card);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--nvidia-green);
}
.tool-entry .tool-name { color: var(--nvidia-green); font-weight: 500; }
.tool-entry .tool-args { color: var(--sap-gold); }
.tool-entry .tool-result { color: var(--text-secondary); margin-top: 4px; font-size: 11px; }

.powered-by {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--nvidia-border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.nvidia-logo { height: 18px; filter: brightness(0.7); }

/* ---- Chat Panel (Center) ---- */
.chat-panel {
    display: flex;
    flex-direction: column;
    background: var(--nvidia-darker);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
    scroll-behavior: smooth;
}

.msg {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.msg-bot .msg-avatar { background: linear-gradient(135deg, #76B900, #4A7A00); }
.msg-user .msg-avatar { background: linear-gradient(135deg, #0070F2, #004AAD); }

.msg-content {
    padding: 12px 16px;
    border-radius: var(--radius);
    max-width: 600px;
    font-size: 14px;
    line-height: 1.6;
}

.msg-bot .msg-content {
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
}

.msg-user {
    flex-direction: row-reverse;
}

.msg-user .msg-content {
    background: linear-gradient(135deg, #0070F2, #0055CC);
    color: white;
}

.msg-content p { margin-bottom: 8px; }
.msg-content p:last-child { margin-bottom: 0; }
.msg-content strong { color: var(--nvidia-green); }

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}
.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nvidia-green);
    animation: typingBounce 1.2s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ---- Chat Input ---- */
.chat-input-area {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--nvidia-border);
    background: var(--nvidia-dark);
}

.input-wrapper {
    display: flex;
    gap: 10px;
}

#chatInput {
    flex: 1;
    padding: 12px 16px;
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color 0.2s;
}
#chatInput:focus { border-color: var(--nvidia-green); }
#chatInput::placeholder { color: var(--text-muted); }

.btn-send {
    padding: 12px 16px;
    background: var(--nvidia-green);
    border: none;
    border-radius: var(--radius);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}
.btn-send:hover { background: #8AD400; transform: scale(1.05); }
.btn-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.quick-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.chip {
    padding: 6px 12px;
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}
.chip:hover { border-color: var(--nvidia-green); color: var(--nvidia-green); }

/* ---- Robot Panel (Right) ---- */
.robot-panel {
    padding: 20px;
    border-left: 1px solid var(--nvidia-border);
    background: var(--nvidia-dark);
    overflow-y: auto;
}

/* Robot Visualization */
.robot-viz {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
}

.robot-photo {
    width: 180px;
    height: auto;
    border-radius: var(--radius);
    border: 2px solid var(--nvidia-border);
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 12px rgba(118, 185, 0, 0.2));
}

.robot-state-label {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
}

/* ---- Stack Info ---- */
.stack-info { display: flex; flex-direction: column; gap: 8px; }

.stack-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: var(--nvidia-card);
    border-radius: var(--radius-sm);
    font-size: 12px;
}
.stack-label { color: var(--text-muted); font-weight: 500; }
.stack-value { color: var(--nvidia-green); font-family: 'JetBrains Mono', monospace; font-size: 11px; }

/* ---- Example Queries ---- */
.example-queries {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.example-queries code {
    padding: 8px 10px;
    background: var(--nvidia-card);
    border: 1px solid var(--nvidia-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.example-queries code:hover {
    border-color: var(--nvidia-green);
    color: var(--nvidia-green);
}

/* ---- Robot Photo Animations ---- */
.robot-idle .robot-photo { animation: photoIdle 4s ease-in-out infinite; }
.robot-listening .robot-photo { animation: photoListen 1s ease-in-out infinite; border-color: var(--sap-gold); }
.robot-thinking .robot-photo { animation: photoThink 2s ease-in-out infinite; border-color: var(--sap-blue); }
.robot-speaking .robot-photo { animation: photoSpeak 0.6s ease-in-out infinite alternate; border-color: var(--nvidia-green); }
.robot-alert .robot-photo { animation: photoAlert 0.3s ease-in-out infinite; border-color: var(--red); filter: drop-shadow(0 4px 12px rgba(239, 68, 68, 0.4)); }

@keyframes photoIdle { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(2deg); } }
@keyframes photoListen { 0%, 100% { transform: rotate(-3deg) scale(1.02); } 50% { transform: rotate(3deg) scale(1.02); } }
@keyframes photoThink { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-4px) rotate(2deg); } }
@keyframes photoSpeak { from { transform: scale(1); } to { transform: scale(1.03); } }
@keyframes photoAlert { 0%, 100% { transform: rotate(-3deg); } 50% { transform: rotate(3deg); } }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--nvidia-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .main-grid { grid-template-columns: 1fr; }
    .kpi-panel, .robot-panel { display: none; }
}