/* ═══════════════════════════════════════════════════════
   SYNTH MVP — EXECUTION TRACER
   Design Language: LangSmith / Stripe Radar / Vercel AI
   ═══════════════════════════════════════════════════════ */

:root {
    /* Surfaces */
    --bg:          #08090d;
    --surface-1:   rgba(17, 19, 27, 0.85);
    --surface-2:   rgba(25, 28, 40, 0.9);
    --border:      rgba(255, 255, 255, 0.06);
    --border-hover:rgba(255, 255, 255, 0.12);

    /* Text */
    --text-1:      #f0f2f5;
    --text-2:      #a1a7b5;
    --text-3:      #5c6478;

    /* Semantic Colors */
    --blue:        #3b82f6;
    --blue-dim:    rgba(59, 130, 246, 0.15);
    --yellow:      #eab308;
    --yellow-dim:  rgba(234, 179, 8, 0.12);
    --purple:      #a855f7;
    --purple-dim:  rgba(168, 85, 247, 0.15);
    --green:       #22c55e;
    --green-dim:   rgba(34, 197, 94, 0.12);
    --red:         #ef4444;
    --red-dim:     rgba(239, 68, 68, 0.12);

    /* Typography */
    --font-ui:     'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

    /* Timing */
    --ease:        cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: var(--bg);
    /* Subtle graph-paper grid instead of dots */
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 48px 48px;
    color: var(--text-1);
    font-family: var(--font-ui);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ═══════════ MEGA GRAPH ═══════════ */
#megaGraph {
    position: fixed;
    inset: 0;
    z-index: 1;
}
.vis-network { outline: none !important; }

/* ═══════════ METRICS BAR ═══════════ */
.metrics-bar {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--surface-1);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 4px;
    height: 44px;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.metrics-bar.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
    pointer-events: none;
}
.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 20px;
    gap: 1px;
}
.metric-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-3);
    font-weight: 500;
}
.metric-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-1);
}
.metric-value.green { color: var(--green); }
.metric-value.yellow { color: var(--yellow); }
.metric-value.red { color: var(--red); }
.metric-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
}

/* ═══════════ VIEW TOGGLE ═══════════ */
.view-toggle {
    position: fixed;
    top: 16px;
    right: 24px;
    z-index: 20;
    display: flex;
    background: var(--surface-1);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: opacity 0.4s var(--ease);
}
.view-toggle.hidden { opacity: 0; pointer-events: none; }
.toggle-btn {
    background: none;
    border: none;
    color: var(--text-3);
    padding: 8px 18px;
    font-size: 0.8rem;
    font-family: var(--font-ui);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--ease);
}
.toggle-btn.active {
    background: rgba(255,255,255,0.06);
    color: var(--text-1);
}
.toggle-btn:hover:not(.active) { color: var(--text-2); }

/* ═══════════ SIDEBAR ═══════════ */
.sidebar {
    position: fixed;
    top: 24px;
    left: 24px;
    width: 280px;
    background: var(--surface-1);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-orb {
    width: 10px;
    height: 10px;
    background: var(--purple);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--purple);
}
.brand-text {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.brand-version {
    font-size: 0.7rem;
    color: var(--text-3);
    font-family: var(--font-mono);
    margin-left: auto;
}
.sidebar-controls { display: flex; flex-direction: column; gap: 14px; }
.input-group { display: flex; flex-direction: column; gap: 6px; }
label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-3);
    font-weight: 500;
}
select, input[type="number"], input[type="text"] {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    color: var(--text-1);
    padding: 9px 12px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    outline: none;
    transition: border-color 0.2s;
}
select:focus, input:focus { border-color: var(--purple); }

.btn-execute {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--text-1);
    color: var(--bg);
    border: none;
    padding: 10px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: opacity 0.15s;
    margin-top: 4px;
}
.btn-execute:hover { opacity: 0.88; }
.btn-execute:disabled { opacity: 0.4; cursor: not-allowed; }
.loader {
    display: none;
    width: 14px; height: 14px;
    border: 2px solid rgba(0,0,0,0.2);
    border-top-color: var(--bg);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-3);
    font-size: 0.75rem;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}
.kbd {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-2);
}

/* ═══════════ INSPECTOR PANEL ═══════════ */
.inspector {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    background: var(--surface-2);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--border);
    z-index: 30;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    overflow: hidden;
}
.inspector.visible { transform: translateX(0); }
.inspector.hidden { transform: translateX(100%); }
.inspector-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}
.inspector-title-row { display: flex; align-items: center; gap: 10px; }
.inspector-status {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--green);
}
.inspector-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
}
.inspector-close {
    background: none;
    border: none;
    color: var(--text-3);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.15s;
}
.inspector-close:hover { background: rgba(255,255,255,0.06); color: var(--text-1); }
.inspector-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}
.insp-section {
    margin-bottom: 20px;
}
.insp-section-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-3);
    font-weight: 600;
    margin-bottom: 10px;
}
.insp-kv {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.insp-kv:last-child { border-bottom: none; }
.insp-key {
    font-size: 0.82rem;
    color: var(--text-2);
}
.insp-val {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-1);
}
.insp-val.green { color: var(--green); }
.insp-val.yellow { color: var(--yellow); }
.insp-val.red { color: var(--red); }
.insp-val.purple { color: var(--purple); }
.insp-val.blue { color: var(--blue); }
.insp-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.insp-list li {
    font-size: 0.82rem;
    color: var(--text-2);
    padding: 6px 10px;
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
    border-left: 3px solid var(--border);
    font-family: var(--font-mono);
}
.insp-list li.alert-item { border-left-color: var(--red); color: var(--red); }
.insp-list li.insight-item { border-left-color: var(--green); }
.insp-list li.rec-item { border-left-color: var(--blue); }
.insp-explain-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.insp-explain-btn:hover { border-color: var(--text-2); color: var(--text-1); }

/* ═══════════ TIMELINE VIEW ═══════════ */
.timeline-view {
    position: fixed;
    inset: 0;
    z-index: 15;
    background: var(--bg);
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 48px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 40px 40px;
    overflow-y: auto;
    transition: opacity 0.3s var(--ease);
}
.timeline-view.hidden { display: none; }
.timeline-header h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 32px;
    color: var(--text-2);
}
.timeline-list {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
}
.tl-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    padding-bottom: 24px;
}
.tl-item::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 24px;
    bottom: 0;
    width: 1px;
    background: var(--border);
}
.tl-item:last-child::before { display: none; }
.tl-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    /* border matches category */
    border: 2px solid;
    background: var(--bg);
}
.tl-dot.blue { border-color: var(--blue); box-shadow: 0 0 6px var(--blue); }
.tl-dot.yellow { border-color: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.tl-dot.purple { border-color: var(--purple); box-shadow: 0 0 6px var(--purple); }
.tl-dot.green { border-color: var(--green); box-shadow: 0 0 6px var(--green); }
.tl-content { flex: 1; }
.tl-time {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-3);
    margin-bottom: 2px;
}
.tl-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-1);
    margin-bottom: 2px;
}
.tl-desc {
    font-size: 0.8rem;
    color: var(--text-3);
}
.tl-latency {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-2);
    flex-shrink: 0;
    margin-top: 4px;
}

/* ═══════════ MINIMAP ═══════════ */
.minimap {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 184px;
    height: 124px;
    background: var(--surface-1);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 8px;
    z-index: 20;
    overflow: hidden;
    transition: opacity 0.3s var(--ease);
}
.minimap.hidden { opacity: 0; pointer-events: none; }
.minimap canvas { width: 100%; height: 100%; }
.minimap-viewport {
    position: absolute;
    border: 1px solid var(--purple);
    background: rgba(168, 85, 247, 0.05);
    border-radius: 2px;
    pointer-events: none;
}

/* ═══════════ COMMAND PALETTE ═══════════ */
.cmd-palette {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    transition: opacity 0.15s var(--ease);
}
.cmd-palette.hidden { display: none; }
.cmd-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}
.cmd-modal {
    position: relative;
    width: 500px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.cmd-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-1);
    padding: 16px 20px;
    font-size: 1rem;
    font-family: var(--font-ui);
    outline: none;
}
.cmd-list { max-height: 300px; overflow-y: auto; }
.cmd-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid var(--border);
}
.cmd-item:last-child { border-bottom: none; }
.cmd-item:hover, .cmd-item.focused { background: rgba(255,255,255,0.04); }
.cmd-item-icon { font-size: 1rem; width: 24px; text-align: center; }
.cmd-item-text {
    font-size: 0.88rem;
    color: var(--text-1);
}
.cmd-item-hint {
    margin-left: auto;
    font-size: 0.72rem;
    color: var(--text-3);
    font-family: var(--font-mono);
}

/* ═══════════ EXPLAIN TOOLTIP ═══════════ */
.explain-tooltip {
    position: fixed;
    bottom: 160px;
    right: 24px;
    width: 340px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    z-index: 25;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transform: translateY(10px);
    transition: all 0.3s var(--ease);
}
.explain-tooltip.hidden { opacity: 0; pointer-events: none; transform: translateY(20px); }
.explain-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--yellow);
    margin-bottom: 10px;
}
.explain-body {
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.6;
}
.explain-body strong { color: var(--text-1); }

/* ═══════════ GLOW KEYFRAMES ═══════════ */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 6px currentColor; }
    50% { box-shadow: 0 0 18px currentColor; }
}

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