:root {
    --bg-main: #0B0F19;
    --bg-card: rgba(21, 29, 46, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary: #3B82F6;
    --primary-hover: #2563EB;
    --accent-green: #10B981;
    --accent-purple: #8B5CF6;
    --accent-gold: #F59E0B;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Pulsating Animation for Live Stream Status */
@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1.1); opacity: 0.8; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.status-dot.pulse {
    animation: pulseGlow 2s infinite;
}

/* Mobile Sidebar Backdrop Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 998;
}
.sidebar-overlay.active {
    display: block;
}

/* Login Screen Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.95), #0B0F19);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-center {
    justify-content: center;
    margin-bottom: 1.5rem;
}

.login-heading {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.25rem;
}

.login-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.login-footer-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: 270px;
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(16px);
    z-index: 999;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.brand-text h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.mobile-close-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
}

.badge {
    font-size: 0.7rem;
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    text-align: left;
}

.nav-item:hover, .nav-item.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--text-main);
}

.nav-item.active {
    border-left: 3px solid var(--primary);
}

.counter {
    margin-left: auto;
    background: var(--accent-gold);
    color: black;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.1rem 0.5rem;
    border-radius: 12px;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.user-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.6);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-logout {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.btn-logout:hover {
    color: #EF4444;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.status-dot.green { background-color: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    width: 100%;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle-btn {
    display: none;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
}

.page-title h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
}

.page-title p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Glass Panels */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(16px);
}

.tab-page {
    display: none;
}
.tab-page.active {
    display: block;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    backdrop-filter: blur(12px);
    transition: transform 0.2s ease;
}
.metric-card:hover {
    transform: translateY(-2px);
}

.metric-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.metric-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.text-gold { color: var(--accent-gold); }
.text-green { color: var(--accent-green); }
.text-purple { color: var(--accent-purple); }
.text-blue { color: var(--primary); }

/* Live Stream Filter Bar */
.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    flex: 1;
    flex-wrap: wrap;
}

.search-input {
    flex: 2;
    min-width: 200px;
}

.btn-stream {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}
.btn-stream.off {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.log-stream-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Telemetry Log Stream Cards */
.logs-feed-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 650px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.log-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 0.2s;
}

.log-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
}

.log-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.log-meta-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.guild-pill {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.15);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.member-badge {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.channel-pill {
    font-size: 0.75rem;
    color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.15);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.intent-pill {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.15);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.latency-pill {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent-gold);
}

.log-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.log-prompt-box {
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--primary);
    padding: 0.75rem;
    border-radius: 0 6px 6px 0;
    font-size: 0.9rem;
}

.log-prompt-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.log-response-box {
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--accent-green);
    padding: 0.75rem;
    border-radius: 0 6px 6px 0;
    font-size: 0.88rem;
    color: var(--text-main);
    line-height: 1.4;
}

.log-response-box.error {
    border-left-color: #EF4444;
}

.log-sources-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
}

.source-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Modal Drawer */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.modal-card {
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
}
.btn-close:hover { color: white; }

/* Forms & Inputs */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.full-width {
    grid-column: span 2;
}

label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-input, .file-input {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 100%;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn {
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #1D4ED8);
    color: white;
}
.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
    min-width: 500px;
}

.data-table th, .data-table td {
    padding: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--text-muted);
    font-weight: 500;
}

/* Queue Item */
.queue-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.queue-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.queue-body {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.75rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.85rem;
}

.queue-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-approve {
    background: var(--accent-green);
    color: white;
}
.btn-reject {
    background: #EF4444;
    color: white;
}

/* RAG Playground */
.playground-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.output-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    min-height: 250px;
    font-size: 0.9rem;
    white-space: pre-wrap;
    line-height: 1.5;
}

.status-row-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.status-box {
    background: rgba(15, 23, 42, 0.5);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.box-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.box-val {
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.alert-box {
    padding: 0.75rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-size: 0.9rem;
}
.alert-box.success { background: rgba(16, 185, 129, 0.2); border: 1px solid var(--accent-green); color: var(--accent-green); }
.alert-box.error { background: rgba(239, 68, 68, 0.2); border: 1px solid #EF4444; color: #EF4444; }
.hidden { display: none !important; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.p-4 { padding: 1rem; }
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }

/* ==============================================================================
   RESPONSIVE DESIGN BREAKPOINTS (Mobile, Tablet, Desktop)
   ============================================================================== */

@media (max-width: 1024px) {
    .mobile-toggle-btn, .mobile-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -290px;
        height: 100vh;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        padding: 1.25rem;
    }

    .status-row-grid {
        grid-template-columns: 1fr 1fr;
    }

    .playground-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-title h1 {
        font-size: 1.4rem;
    }

    .page-title p {
        font-size: 0.8rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.75rem;
    }

    .metric-value {
        font-size: 1.4rem;
    }

    .upload-grid {
        grid-template-columns: 1fr;
    }

    .full-width {
        grid-column: span 1;
    }

    .filter-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        flex-direction: column;
    }

    .search-input {
        width: 100%;
    }

    .status-row-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0.85rem;
    }

    .glass-panel {
        padding: 1rem;
    }

    .login-card {
        padding: 1.5rem;
    }
}