:root {
    --bg: #030913;
    --bg-elevated: rgba(7, 18, 31, 0.78);
    --bg-panel: rgba(9, 22, 39, 0.9);
    --bg-soft: rgba(13, 29, 49, 0.72);
    --line: rgba(118, 178, 222, 0.2);
    --line-strong: rgba(130, 228, 255, 0.65);
    --line-warm: rgba(255, 170, 92, 0.65);
    --text: #e8f2ff;
    --text-soft: #a7bdd6;
    --text-dim: #7b92ac;
    --cyan: #74e6ff;
    --teal: #4cf2d1;
    --amber: #ffb86b;
    --coral: #ff7a7a;
    --lime: #89ffbf;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --font-display: "Aptos Display", "Bahnschrift", "Trebuchet MS", sans-serif;
    --font-body: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
    --font-mono: "Cascadia Code", "Consolas", monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at 12% 18%, rgba(67, 197, 255, 0.18), transparent 34%),
        radial-gradient(circle at 80% 14%, rgba(85, 244, 207, 0.14), transparent 26%),
        radial-gradient(circle at 70% 72%, rgba(255, 156, 85, 0.14), transparent 24%),
        linear-gradient(145deg, #02060d 0%, #07111d 52%, #040912 100%);
    color: var(--text);
    font-family: var(--font-body);
    overflow: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
    pointer-events: none;
    opacity: 0.4;
}

button {
    font: inherit;
}

.app-shell {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 18px;
    padding: 24px;
}

.topbar {
    display: grid;
    grid-template-columns: minmax(260px, 1.2fr) minmax(320px, 1fr) auto;
    gap: 18px;
    align-items: stretch;
}

.topbar-brand,
.topbar-metrics,
.topbar-controls,
.story-card,
.workflow-shell,
.intro-card {
    backdrop-filter: blur(22px);
    border: 1px solid rgba(154, 212, 255, 0.12);
    box-shadow: var(--shadow);
}

.topbar-brand,
.topbar-metrics,
.topbar-controls {
    background: linear-gradient(180deg, rgba(10, 22, 38, 0.82), rgba(7, 16, 28, 0.94));
    border-radius: var(--radius-lg);
    padding: 18px 20px;
}

.topbar-brand {
    display: flex;
    gap: 16px;
    align-items: center;
}

.topbar-kicker,
.eyebrow,
.story-kicker,
.audit-kicker,
.metric-label,
.context-label,
.prompt-card-header,
.workflow-tab,
.status-chip,
.message-badge,
.message-meta-chip,
.stage-chip {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.72rem;
}

.topbar-kicker,
.eyebrow,
.story-kicker,
.audit-kicker {
    color: var(--cyan);
}

.topbar-brand h2,
.intro-card h1,
.story-card h3,
.audit-panel h4 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.topbar-brand h2 {
    font-size: clamp(1.4rem, 2vw, 2rem);
}

.topbar-copy,
.intro-copy,
.metric-help,
.story-card p,
.node-role,
.workflow-status,
.audit-summary,
.prompt-text,
.message-meta,
.message-body,
.audit-table th,
.audit-table td {
    color: var(--text-soft);
}

.topbar-brand p,
.metric-help,
.intro-copy,
.story-card p,
.node-role,
.message-body {
    line-height: 1.55;
}

.topbar-metrics {
    display: grid;
    grid-template-columns: 1.2fr repeat(2, minmax(120px, 1fr));
    gap: 12px;
}

.metric-card {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.metric-card-wide {
    background: linear-gradient(145deg, rgba(15, 42, 62, 0.72), rgba(8, 23, 42, 0.86));
}

.metric-label,
.context-label,
.prompt-card-header,
.workflow-tab,
.story-runtime,
.stage-chip {
    color: var(--text-dim);
}

.metric-value {
    font-size: clamp(1.05rem, 1.4vw, 1.35rem);
    color: var(--text);
}

.topbar-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
}

.primary-button,
.secondary-button {
    min-height: 46px;
    border-radius: 999px;
    padding: 0 18px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, opacity 180ms ease;
}

.primary-button {
    color: #031018;
    font-weight: 700;
    background: linear-gradient(135deg, var(--cyan), var(--teal));
}

.secondary-button {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(154, 212, 255, 0.14);
}

.primary-button:hover,
.secondary-button:hover,
.primary-button:focus-visible,
.secondary-button:focus-visible {
    transform: translateY(-1px);
    outline: none;
    border-color: rgba(255, 255, 255, 0.22);
}

.experience-grid {
    display: grid;
    grid-template-columns: minmax(420px, 1.05fr) minmax(420px, 0.95fr);
    gap: 18px;
    min-height: 0;
}

.visual-panel,
.workflow-shell {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(7, 18, 31, 0.9), rgba(7, 17, 29, 0.98));
}

.visual-panel {
    border: 1px solid rgba(136, 205, 255, 0.14);
}

#particleCanvas,
.connection-layer,
.node-field,
.ambient-glow {
    position: absolute;
    inset: 0;
}

.ambient-glow {
    pointer-events: none;
    opacity: 0.7;
}

.ambient-glow-a {
    background: radial-gradient(circle at 22% 28%, rgba(116, 230, 255, 0.16), transparent 34%);
}

.ambient-glow-b {
    background: radial-gradient(circle at 78% 72%, rgba(255, 184, 107, 0.12), transparent 30%);
}

.connection-layer {
    width: 100%;
    height: 100%;
}

.connection-layer path {
    fill: none;
    stroke-width: 1.35;
    stroke: rgba(110, 176, 224, 0.18);
    stroke-linecap: round;
    stroke-dasharray: 8 10;
    opacity: 0.08;
    transition: opacity 420ms ease, stroke 420ms ease, stroke-width 420ms ease;
    marker-end: url(#arrowForward);
}

.connection-layer path.is-visible {
    opacity: 0.34;
}

.connection-layer path.is-active {
    opacity: 0.9;
    stroke: var(--line-strong);
    stroke-width: 1.8;
    animation: flowLine 9s linear infinite;
}

.connection-layer path.is-feedback {
    marker-end: url(#arrowFeedback);
}

.connection-layer path.is-feedback.is-visible {
    opacity: 0.4;
    stroke: rgba(255, 170, 92, 0.42);
}

.connection-layer path.is-feedback.is-active {
    stroke: var(--line-warm);
}

.node-field {
    z-index: 2;
}

.agent-node {
    position: absolute;
    width: clamp(156px, 18vw, 190px);
    padding: 14px 16px;
    transform: translate(-50%, -50%) scale(0.78);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(10, 24, 41, 0.92), rgba(7, 18, 31, 0.88));
    border: 1px solid rgba(120, 192, 236, 0.12);
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.34), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    opacity: 0.08;
    transition: opacity 420ms ease, transform 420ms ease, border-color 420ms ease, box-shadow 420ms ease;
}

.agent-node::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(circle at top, rgba(116, 230, 255, 0.14), transparent 60%);
    opacity: 0;
    transition: opacity 300ms ease;
}

.agent-node.is-visible {
    opacity: 0.86;
    transform: translate(-50%, -50%) scale(1);
}

.agent-node.is-active {
    border-color: rgba(116, 230, 255, 0.6);
    box-shadow: 0 20px 60px rgba(48, 130, 160, 0.3), 0 0 42px rgba(116, 230, 255, 0.16);
}

.agent-node.is-active::before,
.agent-node.is-working::before {
    opacity: 1;
}

.agent-node.is-working {
    animation: nodePulse 2.8s ease-in-out infinite;
}

.agent-node.is-review-issue {
    border-color: rgba(255, 122, 122, 0.6);
    box-shadow: 0 20px 60px rgba(194, 74, 74, 0.24), 0 0 36px rgba(255, 122, 122, 0.18);
}

.agent-node.is-rejected {
    border-color: rgba(255, 184, 107, 0.6);
    box-shadow: 0 20px 60px rgba(195, 119, 45, 0.24), 0 0 34px rgba(255, 184, 107, 0.18);
}

.node-title {
    display: block;
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 4px;
}

.node-role {
    display: block;
    font-size: 0.87rem;
}

.node-counter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 7px 10px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.prompt-node {
    width: clamp(134px, 16vw, 164px);
    background: linear-gradient(180deg, rgba(19, 31, 48, 0.92), rgba(10, 18, 31, 0.88));
}

.story-card {
    position: absolute;
    inset: auto 22px 82px 22px;
    z-index: 3;
    padding: 22px 24px;
    background: linear-gradient(180deg, rgba(9, 21, 37, 0.86), rgba(5, 13, 24, 0.94));
    border-radius: 24px;
}

.story-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.story-card h3 {
    font-size: clamp(1.45rem, 2vw, 2.3rem);
    margin-bottom: 12px;
}

.story-takeaway {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(154, 212, 255, 0.12);
}

.stage-strip {
    position: absolute;
    inset: auto 18px 18px 18px;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 10px;
}

.stage-chip {
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(154, 212, 255, 0.08);
    min-width: 0;
    transition: background-color 280ms ease, border-color 280ms ease, color 280ms ease, transform 280ms ease;
}

.stage-chip strong,
.stage-chip span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stage-chip strong {
    margin-top: 5px;
    font-size: 0.89rem;
    color: var(--text-soft);
}

.stage-chip.is-active {
    transform: translateY(-2px);
    background: rgba(116, 230, 255, 0.1);
    border-color: rgba(116, 230, 255, 0.28);
}

.stage-chip.is-active strong,
.stage-chip.is-complete strong {
    color: var(--text);
}

.stage-chip.is-complete {
    border-color: rgba(76, 242, 209, 0.22);
    background: rgba(76, 242, 209, 0.08);
}

.workflow-shell {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    border: 1px solid rgba(133, 203, 249, 0.13);
}

.workflow-header,
.workflow-context-bar,
.chat-stream,
.audit-panel {
    position: relative;
    z-index: 1;
}

.workflow-header,
.workflow-context-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
}

.workflow-header {
    border-bottom: 1px solid rgba(154, 212, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
}

.workflow-tabs {
    display: flex;
    gap: 8px;
}

.workflow-tab {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.workflow-tab.is-active {
    color: var(--text);
    background: rgba(116, 230, 255, 0.11);
}

.workflow-status {
    display: inline-flex;
    gap: 10px;
    align-items: center;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 12px rgba(255, 184, 107, 0.45);
}

.workflow-shell.is-running .status-dot {
    background: var(--lime);
    box-shadow: 0 0 16px rgba(137, 255, 191, 0.52);
}

.workflow-context-bar {
    gap: 14px;
    background: linear-gradient(180deg, rgba(5, 14, 24, 0.3), rgba(255, 255, 255, 0.01));
    border-bottom: 1px solid rgba(154, 212, 255, 0.08);
}

.workflow-context-bar > div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chat-stream {
    overflow: auto;
    padding: 24px 18px 26px 18px;
    background:
        radial-gradient(circle at top left, rgba(76, 242, 209, 0.06), transparent 26%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.chat-stream::-webkit-scrollbar,
.prompt-text::-webkit-scrollbar,
.audit-table-wrap::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.chat-stream::-webkit-scrollbar-thumb,
.prompt-text::-webkit-scrollbar-thumb,
.audit-table-wrap::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
}

.message {
    width: min(100%, 560px);
    margin-bottom: 14px;
    padding: 14px 15px 15px;
    border-radius: 18px;
    background: rgba(10, 21, 35, 0.9);
    border: 1px solid rgba(154, 212, 255, 0.08);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
    opacity: 0;
    transform: translateY(12px);
    animation: messageIn 360ms ease forwards;
}

.message.is-user {
    margin-left: auto;
    background: linear-gradient(180deg, rgba(18, 41, 63, 0.95), rgba(10, 24, 40, 0.9));
}

.message.is-tool {
    border-color: rgba(255, 184, 107, 0.18);
}

.message.is-review {
    border-color: rgba(255, 122, 122, 0.18);
}

.message.is-result {
    border-color: rgba(137, 255, 191, 0.18);
}

.message-header,
.message-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.message-header {
    margin-bottom: 10px;
}

.message-actor {
    font-family: var(--font-display);
    font-size: 0.95rem;
}

.message-badge {
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.message-time {
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.message-body {
    font-size: 0.95rem;
    white-space: pre-wrap;
}

.message-meta {
    flex-wrap: wrap;
    margin-top: 12px;
}

.message-meta-chip {
    padding: 5px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.audit-panel {
    max-height: 112px;
    padding: 18px 22px 24px;
    overflow: hidden;
    border-top: 1px solid rgba(154, 212, 255, 0.08);
    background: linear-gradient(180deg, rgba(8, 19, 32, 0.8), rgba(5, 13, 23, 0.96));
    transition: max-height 540ms ease;
}

.audit-panel.is-open {
    max-height: 46%;
}

.audit-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
    margin-bottom: 16px;
}

.audit-panel h4 {
    font-size: 1.1rem;
    margin-top: 6px;
}

.audit-summary {
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.audit-table-wrap {
    max-height: 100%;
    overflow: auto;
}

.audit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
}

.audit-table th,
.audit-table td {
    text-align: left;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.audit-table tbody tr {
    opacity: 0.25;
    transform: translateY(8px);
    transition: opacity 360ms ease, transform 360ms ease;
}

.audit-table tbody tr.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 20;
    transition: opacity 360ms ease, visibility 360ms ease;
}

.intro-overlay.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intro-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(12px);
}

.intro-card {
    position: relative;
    z-index: 1;
    width: min(960px, 100%);
    max-height: min(92vh, 960px);
    padding: 28px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(8, 20, 35, 0.9), rgba(5, 13, 24, 0.96));
}

.intro-card h1 {
    margin-top: 10px;
    font-size: clamp(2rem, 3vw, 3.6rem);
}

.intro-copy {
    margin: 14px 0 20px;
    max-width: 70ch;
}

.prompt-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(154, 212, 255, 0.12);
    border-radius: 24px;
    overflow: hidden;
}

.prompt-card-header {
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(154, 212, 255, 0.08);
}

.prompt-text {
    margin: 0;
    padding: 20px;
    max-height: min(48vh, 420px);
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.89rem;
    white-space: pre-wrap;
}

.intro-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

@keyframes nodePulse {
    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.03);
    }
}

@keyframes flowLine {
    from {
        stroke-dashoffset: 0;
    }
    to {
        stroke-dashoffset: -180;
    }
}

@keyframes messageIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1240px) {
    .topbar {
        grid-template-columns: 1fr;
    }

    .topbar-controls {
        justify-content: flex-start;
    }

    .topbar-metrics {
        grid-template-columns: 1fr;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100vh - 210px);
    }

    .visual-panel {
        min-height: 62vh;
    }

    .workflow-shell {
        min-height: 58vh;
    }

    .stage-strip {
        grid-template-columns: repeat(6, minmax(0, 1fr));
        row-gap: 8px;
    }
}

@media (max-width: 900px) {
    html,
    body {
        overflow: auto;
    }

    .app-shell {
        padding: 14px;
    }

    .experience-grid {
        gap: 14px;
    }

    .visual-panel,
    .workflow-shell {
        min-height: 720px;
    }

    .story-card {
        inset: auto 14px 150px 14px;
        padding: 18px;
    }

    .stage-strip {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: minmax(152px, 1fr);
        grid-template-columns: none;
        overflow-x: auto;
        overflow-y: hidden;
        inset: auto 14px 14px 14px;
        padding-bottom: 6px;
    }

    .agent-node {
        width: clamp(140px, 40vw, 170px);
        padding: 12px 12px 13px;
    }

    .workflow-context-bar,
    .workflow-header,
    .audit-panel {
        padding-left: 16px;
        padding-right: 16px;
    }

    .chat-stream {
        padding-left: 14px;
        padding-right: 14px;
    }

    .message {
        width: 100%;
    }
}