:root {
    --bg-dark: #07090e;
    --bg-card: rgba(13, 20, 35, 0.55);
    --border-color: rgba(255, 255, 255, 0.07);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accents */
    --accent-blue: #38bdf8;
    --accent-blue-glow: rgba(56, 189, 248, 0.15);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.15);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.15);
    --accent-purple: #8b5cf6;
    --accent-purple-glow: rgba(139, 92, 246, 0.15);
    
    --font-main: 'Outfit', sans-serif;
    --font-code: 'Fira Code', monospace;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Background Gradients */
.glow-bg {
    position: absolute;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, rgba(139, 92, 246, 0.05) 50%, rgba(0,0,0,0) 100%);
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

.app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: 16px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

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

.logo .icon {
    font-size: 2rem;
    text-shadow: 0 0 10px var(--accent-blue);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.config-panel {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
}

.mode-select select {
    background: rgba(10, 15, 26, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    outline: none;
    font-family: var(--font-main);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mode-select select:focus {
    border-color: var(--accent-blue);
}

.key-inputs input {
    background: rgba(10, 15, 26, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    outline: none;
    font-size: 0.85rem;
}

/* Cards & Grid Layout */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.card-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.step-badge {
    background: var(--accent-purple-glow);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c084fc;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
}

/* Buttons */
.btn {
    font-family: var(--font-main);
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-blue);
    color: #000;
    font-weight: 600;
}

.btn-primary:hover {
    box-shadow: 0 0 15px var(--accent-blue);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.12);
}

.btn-accent {
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    color: white;
    font-weight: 600;
}

.btn-accent:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
    transform: translateY(-1px);
}

.btn-accent:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-large {
    padding: 0.75rem 2rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-icon:hover {
    color: var(--text-primary);
}

/* File Upload Zone */
.upload-zone {
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    background: rgba(255,255,255,0.01);
    cursor: pointer;
    transition: var(--transition-normal);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.02);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.upload-icon {
    font-size: 2.5rem;
}

.primary-text {
    font-weight: 500;
    font-size: 1rem;
}

.secondary-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.file-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-top: 1rem;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-icon {
    font-size: 1.5rem;
}

.file-text {
    display: flex;
    flex-direction: column;
}

.font-semibold {
    font-weight: 500;
}

.text-xs {
    font-size: 0.75rem;
}

/* Tabs & Profiles */
.tab-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 6px;
    font-family: var(--font-main);
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.03);
}

.tab-btn.active {
    color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.08);
    font-weight: 500;
}

.table-wrapper {
    max-height: 250px;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    text-align: left;
}

th, td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(10, 15, 26, 0.9);
    font-weight: 500;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

tr:hover td {
    background: rgba(255,255,255,0.02);
}

.hidden {
    display: none !important;
}

/* Custom scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.3);
}

/* Analytical Inference Box */
.query-box {
    display: flex;
}

.search-input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.search-input-wrapper input {
    flex-grow: 1;
    background: rgba(10, 15, 26, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    outline: none;
    font-family: var(--font-main);
}

.search-input-wrapper input:focus {
    border-color: var(--accent-purple);
}

.suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.suggestion-tag {
    font-size: 0.75rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.suggestion-tag:hover {
    color: var(--accent-purple);
    border-color: var(--accent-purple-glow);
    background: rgba(139, 92, 246, 0.05);
}

/* Agent Squad DAG Workflow Dashboard */
.dag-canvas {
    background: rgba(5, 7, 12, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    height: 250px;
    position: relative;
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr 0.5fr 1fr 0.5fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 10px;
    align-items: center;
    justify-items: center;
}

.dag-node {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    width: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    position: relative;
    z-index: 10;
    transition: var(--transition-normal);
}

.node-icon {
    font-size: 1.25rem;
}

.node-name {
    font-size: 0.7rem;
    font-weight: 500;
}

.node-status {
    font-size: 0.6rem;
    color: var(--text-muted);
}

/* Node layout placement grid */
#node-supervisor { grid-column: 1; grid-row: 1; }
#node-coder { grid-column: 3; grid-row: 1; }
#node-executor { grid-column: 5; grid-row: 1; }
#node-critic { grid-column: 5; grid-row: 2; }
#node-analyst { grid-column: 3; grid-row: 2; }
#node-reporter { grid-column: 1; grid-row: 2; }

/* Connectors */
.dag-connector {
    background: rgba(255,255,255,0.05);
    position: relative;
    z-index: 5;
}

.dag-connector.horiz {
    width: 100%;
    height: 2px;
}

.dag-connector.horiz.reverse {
    width: 100%;
    height: 2px;
}

.dag-connector.vertical {
    height: 100%;
    width: 2px;
}

#conn-1 { grid-column: 2; grid-row: 1; }
#conn-2 { grid-column: 4; grid-row: 1; }
#conn-3 { grid-column: 5; grid-row: 1 / 3; height: 50%; align-self: end; }
#conn-4 { grid-column: 4; grid-row: 2; }
#conn-5 { grid-column: 2; grid-row: 2; }

/* Feedback curve for self-healing loops */
.dag-connector.curve {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px dashed rgba(239, 68, 68, 0.2);
    border-top-color: transparent;
    border-right-color: transparent;
    position: absolute;
    top: 50px;
    left: 210px;
    pointer-events: none;
    z-index: 2;
    transform: rotate(45deg);
    display: none; /* Only show on self-healing feedback */
}

/* Node states & Animations */
.dag-node.active {
    transform: scale(1.05);
    border-color: var(--accent-purple);
    box-shadow: 0 0 15px var(--accent-purple-glow);
}

.dag-node.active .node-status {
    color: var(--accent-purple);
    font-weight: 500;
}

.dag-node.active .node-icon {
    animation: bounce 0.6s infinite alternate;
}

.dag-node.success {
    border-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green-glow);
}

.dag-node.success .node-status {
    color: var(--accent-green);
}

.dag-node.error {
    border-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red-glow);
}

.dag-node.error .node-status {
    color: var(--accent-red);
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-3px); }
}

/* Connector flow animations */
.dag-connector.active {
    background: linear-gradient(to right, var(--accent-purple), var(--accent-blue));
    background-size: 200% auto;
    animation: flowLine 1.5s linear infinite;
}

@keyframes flowLine {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* Terminal Console */
.console-tabs {
    display: flex;
    gap: 0.25rem;
    background: rgba(0,0,0,0.2);
    padding: 0.2rem;
    border-radius: 6px;
}

.console-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
}

.console-tab-btn.active {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
}

.console-tab-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.console-body {
    flex-grow: 1;
    background: #020408;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: var(--font-code);
    font-size: 0.75rem;
    overflow-y: auto;
    max-height: 250px;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.console-row {
    line-height: 1.35;
    word-break: break-all;
    white-space: pre-wrap;
}

.console-row .timestamp {
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.console-row.system-msg { color: #38bdf8; }
.console-row.stdout-msg { color: #e2e8f0; }
.console-row.stderr-msg { color: #f87171; font-weight: 500; }
.console-row.feedback-msg { color: #f43f5e; font-style: italic; }
.console-row.success-msg { color: #34d399; font-weight: 500; }

#console-code-body {
    max-height: 250px;
    overflow-y: auto;
}

#console-code-body pre {
    margin: 0;
}

#console-code-body code {
    font-family: var(--font-code);
    color: #cbd5e1;
    display: block;
    line-height: 1.4;
}

/* Bottom Gallery & Deliverables */
.bottom-gallery {
    margin-top: 1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.insights-summary {
    background: rgba(10, 15, 26, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.insights-summary h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-blue);
}

.markdown-body {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.plots-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

.plot-card {
    background: rgba(10, 15, 26, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem;
    width: 100%;
    max-width: 400px;
}

.plot-card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    background: white; /* Ensure dark plots look good */
    display: block;
}

.plot-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
}

/* Utilities */
.flex-col { display: flex; flex-direction: column; }
.flex-row { display: flex; flex-direction: row; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.mt-4 { margin-top: 1rem; }