:root {
    color-scheme: dark;
    --app-bg: radial-gradient(1200px 600px at 10% 10%, rgba(20, 80, 120, 0.35) 0%, transparent 60%),
        radial-gradient(800px 460px at 80% 20%, rgba(18, 60, 90, 0.35) 0%, transparent 55%),
        linear-gradient(160deg, #020814 0%, #03101f 55%, #05162a 100%);
    --app-panel: rgba(6, 20, 32, 0.92);
    --app-border: rgba(95, 234, 255, 0.25);
    --app-text: #eafcff;
    --app-muted: rgba(143, 179, 201, 0.9);
    --app-accent: #5feaff;
    --app-accent-2: #3bffb1;
    --app-warning: #ffdb7c;
    --app-input: rgba(5, 18, 30, 0.85);
    --app-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);

    --bg-0: #040b14;
    --bg-1: #071427;
    --bg-2: #0a1c33;
    --cyan: var(--app-accent);
    --mint: var(--app-accent-2);
    --amber: var(--app-warning);
    --text: var(--app-text);
    --muted: var(--app-muted);
    --panel: var(--app-panel);
    --panel-border: var(--app-border);
}

html[data-theme="light"] {
    color-scheme: light;
    --app-bg: radial-gradient(1200px 600px at 12% 8%, rgba(88, 232, 248, 0.25) 0%, transparent 60%),
        radial-gradient(900px 520px at 80% 10%, rgba(24, 120, 248, 0.18) 0%, transparent 55%),
        linear-gradient(160deg, #f7f9fc 0%, #edf2f8 55%, #e8eef6 100%);
    --app-panel: rgba(255, 255, 255, 0.92);
    --app-border: rgba(24, 120, 248, 0.25);
    --app-text: #0b1320;
    --app-muted: rgba(11, 19, 32, 0.6);
    --app-accent: #1878f8;
    --app-accent-2: #2ccf8c;
    --app-warning: #d97c00;
    --app-input: rgba(255, 255, 255, 0.95);
    --app-shadow: 0 18px 34px rgba(20, 30, 40, 0.12);

    --bg-0: #f4f7fb;
    --bg-1: #eef3f9;
    --bg-2: #e3eaf4;
    --cyan: var(--app-accent);
    --mint: var(--app-accent-2);
    --amber: var(--app-warning);
    --text: var(--app-text);
    --muted: var(--app-muted);
    --panel: var(--app-panel);
    --panel-border: var(--app-border);
}

html[data-theme="blueprint"] {
    color-scheme: dark;
    --app-bg: radial-gradient(1200px 640px at 18% 12%, rgba(36, 160, 210, 0.25) 0%, transparent 60%),
        radial-gradient(900px 520px at 78% 18%, rgba(40, 120, 190, 0.22) 0%, transparent 55%),
        linear-gradient(160deg, #041326 0%, #06213b 55%, #082646 100%);
    --app-panel: rgba(7, 26, 44, 0.94);
    --app-border: rgba(120, 219, 255, 0.35);
    --app-text: #eaf3ff;
    --app-muted: rgba(169, 203, 223, 0.8);
    --app-accent: #58f1ff;
    --app-accent-2: #41ffb4;
    --app-warning: #ffdb7c;
    --app-input: rgba(6, 24, 40, 0.88);
    --app-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);

    --bg-0: #041326;
    --bg-1: #07203a;
    --bg-2: #092a4b;
    --cyan: var(--app-accent);
    --mint: var(--app-accent-2);
    --amber: var(--app-warning);
    --text: var(--app-text);
    --muted: var(--app-muted);
    --panel: var(--app-panel);
    --panel-border: var(--app-border);
}

html,
body {
    height: 100%;
    overflow: hidden;
    margin: 0;
}

body {
    background: var(--app-bg);
    color: var(--app-text);
}

.app-shell {
    display: grid;
    --panel-width: 320px;
    grid-template-columns: var(--panel-width) 1fr;
    min-height: 100vh;
    height: 100vh;
}

.app-shell.is-collapsed {
    --panel-width: 0px;
}

.app-panel {
    background: var(--app-panel);
    border-right: 1px solid var(--app-border);
    padding: 22px 18px 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-height: 100vh;
    overflow: auto;
    box-shadow: var(--app-shadow);
}

.app-shell.is-collapsed .app-panel {
    width: 0;
    padding: 0;
    border: none;
    overflow: hidden;
    box-shadow: none;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background: none;
    box-shadow: inset 0 0 12px rgba(95, 234, 255, 0.2);
    object-fit: cover;
}

.app-brand h1 {
    margin: 0 0 4px;
    font-size: 1.4rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--app-accent);
}

.app-brand p {
    margin: 0;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--app-muted);
}

.panel-tools {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: wrap;
}

.collapse-btn {
    min-width: 70px;
}

.panel-section {
    display: grid;
    /* gap: 10px; */
}

.panel-section--boards {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-section--boards .btn {
    padding: 6px 10px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.panel-section--tools {
    margin-top: auto;
}

.panel-section--tools .section-title {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
}

.panel-section--tools .btn-row {
    margin-bottom: 6px;
}

.panel-section--tools .btn {
    padding: 6px 10px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    border: 1px solid color-mix(in oklab, var(--app-border) 70%, rgba(255, 255, 255, 0.12));
    background: transparent;
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.18),
        inset 0 -2px 0 rgba(0, 0, 0, 0.4),
        0 10px 16px rgba(0, 0, 0, 0.26);
}

.panel-section--ai .btn {
    padding: 6px 10px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    border: 1px solid color-mix(in oklab, var(--app-border) 70%, rgba(255, 255, 255, 0.12));
    background: transparent;
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.18),
        inset 0 -2px 0 rgba(0, 0, 0, 0.4),
        0 10px 16px rgba(0, 0, 0, 0.26);
}

.panel-section--tools .btn:hover,
.panel-section--ai .btn:hover {
    background: linear-gradient(
        180deg,
        color-mix(in oklab, var(--app-panel) 78%, rgba(255, 255, 255, 0.08)),
        color-mix(in oklab, var(--app-panel) 92%, rgba(0, 0, 0, 0.18))
    );
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.2),
        inset 0 -2px 0 rgba(0, 0, 0, 0.4),
        0 12px 18px rgba(0, 0, 0, 0.32);
}

.panel-section--tools .btn:active,
.panel-section--ai .btn:active {
    transform: translateY(1px);
    box-shadow:
        inset 0 2px 3px rgba(0, 0, 0, 0.35),
        inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

html[data-theme="light"] .panel-section--tools .btn,
html[data-theme="light"] .panel-section--ai .btn {
    border-color: color-mix(in oklab, var(--app-border) 60%, rgba(255, 255, 255, 0.75));
    background: transparent;
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.95),
        inset 0 -2px 0 rgba(18, 24, 38, 0.16),
        0 8px 14px rgba(18, 24, 38, 0.12);
}

html[data-theme="light"] .panel-section--tools .btn:hover,
html[data-theme="light"] .panel-section--ai .btn:hover {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.94),
        rgba(234, 240, 248, 0.94)
    );
}

.btn-row{
    margin-bottom: 10px;
}

button#btnModelMatrix {
    border: 2px solid gold;
}
.section-title {
    color: var(--app-muted);
}

.field input {
    background: var(--app-input);
}

.helper-text {
    font-size: 0.75rem;
    color: var(--app-muted);
    line-height: 1.4;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(2, 8, 16, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 20;
}

html[data-theme="light"] .modal-backdrop {
    background: rgba(8, 16, 26, 0.4);
}

.modal-backdrop[hidden] {
    display: none;
}

.modal {
    width: min(520px, 100%);
    border-radius: 18px;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 92%, transparent);
    box-shadow: var(--app-shadow);
    padding: 18px;
    display: grid;
    gap: 16px;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.modal-title {
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--app-accent);
}

.modal-sub {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--app-muted);
}

.modal-body {
    display: grid;
    gap: 14px;
}

.modal-field {
    display: grid;
    gap: 6px;
}

.modal-field label {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--app-muted);
}

.modal-field input,
.modal-field select {
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background: var(--app-input);
    color: var(--app-text);
    padding: 10px 12px;
    font-size: 0.85rem;
}

.select-wrap {
    position: relative;
}

.select-wrap::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--app-muted);
    border-bottom: 2px solid var(--app-muted);
    transform: translateY(-50%) rotate(45deg);
    pointer-events: none;
}

.modal-field select {
    appearance: none;
    padding-right: 36px;
}

.field-note {
    font-size: 0.7rem;
    color: var(--app-muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.board-list {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow: auto;
    padding-right: 4px;
    display: grid;
    align-content: flex-start;
    justify-items: stretch;
    gap: 8px;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in oklab, var(--app-border) 60%, transparent) transparent;
}

.board-list::-webkit-scrollbar {
    width: 6px;
}

.board-list::-webkit-scrollbar-track {
    background: transparent;
}

.board-list::-webkit-scrollbar-thumb {
    background: color-mix(in oklab, var(--app-border) 55%, transparent);
    border-radius: 10px;
}

.board-list::-webkit-scrollbar-thumb:hover {
    background: color-mix(in oklab, var(--app-border) 75%, transparent);
}

.board-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    max-height: 38px;
    min-height: 34px;
    border-radius: 12px;
    border: 1px solid color-mix(in oklab, var(--app-border) 70%, rgba(255, 255, 255, 0.08));
    background: linear-gradient(
        180deg,
        color-mix(in oklab, var(--app-panel) 82%, rgba(255, 255, 255, 0.08)),
        color-mix(in oklab, var(--app-panel) 92%, rgba(0, 0, 0, 0.12))
    );
    color: var(--app-text);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        inset 0 -1px 0 rgba(0, 0, 0, 0.35),
        0 8px 14px rgba(0, 0, 0, 0.22);
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
    align-self: start;
}

html[data-theme="light"] .board-item {
    border-color: color-mix(in oklab, var(--app-border) 65%, rgba(255, 255, 255, 0.6));
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.92),
        rgba(236, 241, 248, 0.92)
    );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(18, 24, 38, 0.12),
        0 6px 12px rgba(18, 24, 38, 0.1);
}

html[data-theme="light"] .board-item.active {
    background: linear-gradient(
        180deg,
        color-mix(in oklab, #ffffff 82%, var(--app-accent) 18%),
        color-mix(in oklab, #f0f6ff 80%, var(--app-accent) 24%)
    );
}

.board-item:hover {
    border-color: color-mix(in oklab, var(--app-accent) 45%, var(--app-border));
    transform: translateY(-1px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        inset 0 -1px 0 rgba(0, 0, 0, 0.35),
        0 10px 18px rgba(0, 0, 0, 0.28);
}

.board-item.active {
    border-color: color-mix(in oklab, var(--app-accent) 70%, var(--app-border));
    background: linear-gradient(
        180deg,
        color-mix(in oklab, var(--app-panel) 75%, var(--app-accent) 18%),
        color-mix(in oklab, var(--app-panel) 85%, var(--app-accent) 26%)
    );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        inset 0 -1px 0 rgba(0, 0, 0, 0.35),
        0 12px 20px rgba(0, 0, 0, 0.26);
}

.board-item.editing {
    border-color: var(--app-accent);
    box-shadow: 0 0 12px rgba(95, 234, 255, 0.2);
}

.board-item input {
    width: 100%;
    border-radius: 8px;
    border: 1px solid transparent;
    background: none;
    color: var(--app-text);
    padding: 6px 8px;
    font-size: 0.85rem;
}

.app-stage {
    padding: 16px;
}

.canvas-shell {
    position: relative;
    height: calc(100vh - 32px);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--app-border);
    box-shadow: inset 0 0 40px rgba(95, 234, 255, 0.08), var(--app-shadow);
    overscroll-behavior: none;
}

.hint-center {
    position: absolute;
    top: 16px;
    right: 64px;
    z-index: 6;
    pointer-events: auto;
}

.hint-icon {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 88%, transparent);
    color: var(--app-text);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    box-shadow: var(--app-shadow);
}

.hint-panel {
    position: absolute;
    top: 46px;
    right: 0;
    width: min(260px, 40vw);
    border-radius: 14px;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 88%, transparent);
    box-shadow: var(--app-shadow);
    color: var(--app-text);
    padding: 10px 12px 12px;
}

.hint-panel ul {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--app-text);
}

.hint-center.is-collapsed .hint-panel {
    display: none;
}

.panel-expand {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 6;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 88%, transparent);
    color: var(--app-text);
    padding: 8px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    display: none;
}

.app-shell.is-collapsed .panel-expand {
    display: inline-flex;
}

.app-shell.is-collapsed .status {
    left: 120px;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
}

.status {
    position: absolute;
    top: 16px;
    left: 16px;
    height: 32px;
    z-index: 4;
    margin: 0;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 88%, transparent);
    color: var(--app-text);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

html[data-theme="light"] .status {
    background: rgba(248, 251, 255, 0.86);
}

.input-bar {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 18px;
    display: grid;
    grid-template-columns: minmax(200px, 240px) minmax(280px, 1fr) minmax(260px, 340px);
    gap: 18px;
    align-items: stretch;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid color-mix(in oklab, var(--app-border) 60%, rgba(255, 255, 255, 0.12));
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 40%),
        linear-gradient(180deg,
            color-mix(in oklab, var(--app-panel) 92%, rgba(255, 255, 255, 0.06)),
            color-mix(in oklab, var(--app-panel) 78%, rgba(0, 0, 0, 0.22))
        );
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.2),
        inset 0 -3px 6px rgba(0, 0, 0, 0.35),
        0 20px 36px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
    z-index: 6;
    width: min(980px, calc(100% - 40px));
    pointer-events: auto;
}

.input-bar.is-ai-busy {
    border-color: color-mix(in oklab, var(--app-accent) 65%, var(--app-border));
    animation: inputBarPulse 1.6s ease-in-out infinite;
}

html[data-theme="light"] .input-bar {
    border-color: color-mix(in oklab, var(--app-border) 55%, rgba(255, 255, 255, 0.7));
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0) 45%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(230, 236, 245, 0.92));
    box-shadow:
        inset 0 2px 0 rgba(255, 255, 255, 0.85),
        inset 0 -3px 6px rgba(18, 24, 38, 0.18),
        0 18px 32px rgba(18, 24, 38, 0.16),
        0 0 0 1px rgba(18, 24, 38, 0.08);
}

html[data-theme="light"] .input-bar.is-ai-busy {
    border-color: color-mix(in oklab, var(--app-accent) 55%, rgba(18, 24, 38, 0.2));
    animation: inputBarPulseLight 1.6s ease-in-out infinite;
}

.input-bar.is-meta-hidden {
    grid-template-columns: minmax(200px, 240px) minmax(280px, 1fr);
}

.input-bar.is-asset-hidden {
    grid-template-columns: minmax(200px, 240px) minmax(280px, 1fr);
}

.input-group {
    display: grid;
    gap: 10px;
    align-content: start;
    padding-right: 16px;
}

.input-group:last-child {
    padding-right: 0;
}

.input-group--asset {
    gap: 12px;
    margin-left: 90px;
}

.input-select,
.input-fields,
.asset-fields {
    display: grid;
    gap: 6px;
}

.input-select {
    position: relative;
}

.input-select label {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--app-muted) 55%, var(--app-text) 45%);
    font-weight: 600;
}

.input-select select {
    height: 46px;
    border-radius: 12px;
    border: 1px solid color-mix(in oklab, var(--app-border) 85%, transparent);
    background: color-mix(in oklab, var(--app-panel) 88%, transparent);
    color: var(--app-text);
    padding: 10px 34px 10px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    appearance: none;
}

.input-select::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 38px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--app-muted);
    border-bottom: 2px solid var(--app-muted);
    transform: rotate(45deg);
    pointer-events: none;
}

.input-fields {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
    min-width: 0;
    width: 420px;
}

.node-fields {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    min-width: 0;
    flex: 1 1 320px;
}

.node-fields.is-code-snippet {
    flex-direction: column;
    align-items: stretch;
}

.code-snippet-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: nowrap;
}

.code-snippet-row .input-field--wide {
    flex: 1 1 auto;
    min-width: 0;
}

.code-snippet-row .input-field--action {
    flex: 0 0 140px;
}

.edge-fields {
    display: none;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
}

.edge-fields.is-visible {
    display: flex;
}

.edge-fields label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--app-muted) 55%, var(--app-text) 45%);
    font-weight: 600;
}

.edge-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.edge-row input {
    flex: 1;
    min-width: 0;
    border-radius: 10px;
    border: 1px solid var(--app-border);
    background: var(--app-input);
    color: var(--app-text);
    padding: 10px 12px;
    font-size: 0.85rem;
}

.input-field {
    display: grid;
    gap: 6px;
    min-width: 160px;
    flex: 1 1 160px;
}

.input-field--action {
    align-self: center;
    min-width: 140px;
    flex: 0 0 140px;
}

.input-field--action .input-btn {
    width: 100%;
}
.input-field--wide {
    min-width: 260px;
    flex: 2 1 320px;
}

.input-field--wide textarea {
    min-height: 72px;
}

.input-field label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--app-muted) 55%, var(--app-text) 45%);
    font-weight: 600;
}

.input-field input,
.input-field textarea,
.input-field select {
    border-radius: 10px;
    border: 1px solid var(--app-border);
    background: var(--app-input);
    color: var(--app-text);
    padding: 10px 12px;
    font-size: 0.85rem;
    min-height: 46px;
}

.input-field input[type="file"] {
    width: 100%;
    min-width: 0;
}

.input-field textarea {
    resize: vertical;
    min-height: 46px;
}

.input-btn {
    width: auto;
    min-width: 56px;
    height: 30px;
    border-radius: 14px;
    border: 1px solid var(--app-border);
    background: color-mix(in oklab, var(--app-panel) 85%, transparent);
    color: var(--app-text);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 0 16px;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.input-btn.icon-only {
    min-width: 34px;
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
}

.input-btn.icon-only svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
}

.input-btn.icon-only.has-file {
    border-color: var(--app-accent);
    box-shadow: 0 0 12px rgba(95, 234, 255, 0.25);
}

.input-btn:hover:enabled {
    transform: translateY(-1px);
    box-shadow: 0 0 16px rgba(95, 234, 255, 0.2);
    border-color: var(--app-accent);
}

.input-btn.secondary {
    background: transparent;
    border-color: color-mix(in oklab, var(--app-border) 85%, transparent);
    color: var(--app-text);
}

.input-btn.primary {
    background: linear-gradient(135deg, rgba(95, 234, 255, 0.24), rgba(59, 255, 177, 0.2));
    border-color: color-mix(in oklab, var(--app-accent) 60%, var(--app-border));
    min-width: 76px;
}

.input-btn.is-busy {
    border-color: var(--app-accent);
    box-shadow: 0 0 16px rgba(95, 234, 255, 0.28);
    animation: sendPulse 1.2s ease-in-out infinite, sendJiggle 2.2s ease-in-out infinite;
}

@keyframes sendPulse {
    0% {
        box-shadow: 0 0 12px rgba(95, 234, 255, 0.18);
    }
    50% {
        box-shadow: 0 0 20px rgba(95, 234, 255, 0.32);
    }
    100% {
        box-shadow: 0 0 12px rgba(95, 234, 255, 0.18);
    }
}

@keyframes sendJiggle {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }
    30% {
        transform: translateY(-1px) rotate(-1deg);
    }
    60% {
        transform: translateY(0) rotate(1deg);
    }
}

@keyframes inputBarPulse {
    0%,
    100% {
        box-shadow:
            inset 0 2px 0 rgba(255, 255, 255, 0.2),
            inset 0 -3px 6px rgba(0, 0, 0, 0.35),
            0 20px 36px rgba(0, 0, 0, 0.35),
            0 0 0 1px rgba(0, 0, 0, 0.12);
    }
    50% {
        box-shadow:
            inset 0 2px 0 rgba(255, 255, 255, 0.24),
            inset 0 -4px 8px rgba(0, 0, 0, 0.42),
            0 24px 42px rgba(0, 0, 0, 0.42),
            0 0 0 1px rgba(0, 0, 0, 0.12),
            0 0 22px rgba(95, 234, 255, 0.25);
    }
}

@keyframes inputBarPulseLight {
    0%,
    100% {
        box-shadow:
            inset 0 2px 0 rgba(255, 255, 255, 0.85),
            inset 0 -3px 6px rgba(18, 24, 38, 0.18),
            0 18px 32px rgba(18, 24, 38, 0.16),
            0 0 0 1px rgba(18, 24, 38, 0.08);
    }
    50% {
        box-shadow:
            inset 0 2px 0 rgba(255, 255, 255, 0.92),
            inset 0 -4px 8px rgba(18, 24, 38, 0.22),
            0 20px 36px rgba(18, 24, 38, 0.22),
            0 0 0 1px rgba(18, 24, 38, 0.08),
            0 0 18px rgba(95, 234, 255, 0.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .input-btn.is-busy {
        animation: none;
    }
    .input-bar.is-ai-busy {
        animation: none;
    }
}

.input-btn.is-recording {
    background: linear-gradient(135deg, rgba(255, 110, 110, 0.3), rgba(255, 110, 110, 0.1));
    border-color: rgba(255, 110, 110, 0.6);
    box-shadow: 0 0 18px rgba(255, 110, 110, 0.35);
}

.input-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.asset-actions {
    /* display: flex; */
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
}

.file-picker {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.input-file {
    display: none;
}

.file-chip {
    max-width: 180px;
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--app-border) 80%, transparent);
    background: color-mix(in oklab, var(--app-panel) 85%, transparent);
    padding: 6px 10px;
    font-size: 0.7rem;
    color: var(--app-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta {
    font-size: 0.7rem;
    color: var(--app-muted);
}

.input-note {
    font-size: 0.7rem;
    color: var(--app-muted);
}

.ew-html-text-editor {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.ew-code-block {
    flex: 1 1 auto;
    min-height: 0;
    max-height: 500px;
    overflow-y: auto;
    overflow-x: hidden;
}

.ew-code-snippet {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.ew-preview-pill {
    border: 1px solid color-mix(in oklab, var(--app-border) 70%, transparent);
    background: color-mix(in oklab, var(--app-panel) 85%, transparent);
    color: var(--app-text);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 999px;
    cursor: pointer;
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
    pointer-events: auto;
}

.ew-preview-pill:hover {
    border-color: var(--app-accent);
    box-shadow: 0 0 10px rgba(95, 234, 255, 0.25);
    transform: translateY(-1px);
}

.ew-html-node .ew-node-header .ew-preview-pill {
    margin-left: auto;
    margin-right: 10px;
}

.ew-html-text .ew-preview-pill {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 3;
}

.file-chip--ai {
    max-width: 200px;
    background: transparent;
    border-color: transparent;
    padding: 0;
    font-size: 0.68rem;
    color: var(--app-muted);
}

.file-chip--ai.is-empty {
    display: none;
}

.ew-code-snippet .ew-node-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.ew-markdown {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ew-markdown-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: auto;
    font-size: 0.85rem;
    line-height: 1.55;
}

.ew-markdown-body h1,
.ew-markdown-body h2,
.ew-markdown-body h3,
.ew-markdown-body h4 {
    margin: 0 0 4px;
    color: var(--app-text);
}

.ew-markdown-body p {
    margin: 0;
    color: var(--app-text);
}

.ew-markdown-body ul,
.ew-markdown-body ol {
    margin: 0 0 4px 18px;
    padding: 0;
    color: var(--app-text);
}

.ew-markdown-body li {
    margin-bottom: 4px;
}

.ew-markdown-body code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.82rem;
    padding: 2px 4px;
    border-radius: 6px;
    background: color-mix(in oklab, var(--app-panel) 65%, var(--app-accent) 12%);
    border: 1px solid color-mix(in oklab, var(--app-border) 70%, transparent);
}

.ew-markdown-body pre {
    margin: 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: color-mix(in oklab, var(--app-panel) 80%, transparent);
    border: 1px solid color-mix(in oklab, var(--app-border) 75%, transparent);
    overflow: auto;
}

.ew-markdown-body pre code {
    display: block;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 0.8rem;
    white-space: pre;
}

.app-panel .btn {
    /* border-color: color-mix(in oklab, var(--app-border) 85%, var(--app-accent) 25%); */
    /* background: color-mix(in oklab, var(--app-panel) 86%, transparent); */
    color: var(--app-text);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.18);
}

.app-panel .btn.is-live {
    position: relative;
    padding-left: 26px;
}

.app-panel .btn.is-live::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: var(--app-accent-2);
    box-shadow: 0 0 8px color-mix(in oklab, var(--app-accent-2) 60%, transparent);
}

.app-panel .btn.is-live.is-speaking::before {
    background: var(--app-accent);
    box-shadow: 0 0 12px color-mix(in oklab, var(--app-accent) 70%, transparent);
    animation: ew-realtime-pulse 1.1s ease-in-out infinite;
}

.app-panel #btnNew {
    background: var(--app-accent);
    border-color: var(--app-accent);
    color: #04121d;
    box-shadow: 0 12px 22px color-mix(in oklab, var(--app-accent) 35%, transparent);
}

html[data-theme="light"] .app-panel .btn {
    /* background: color-mix(in oklab, #ffffff 85%, var(--app-accent) 10%); */
    /* border-color: color-mix(in oklab, var(--app-border) 80%, var(--app-accent) 35%); */
    box-shadow: 0 8px 14px rgba(18, 24, 38, 0.08);
}

html[data-theme="light"] .app-panel #btnNew {
    color: #ffffff;
    box-shadow: 0 10px 18px color-mix(in oklab, var(--app-accent) 35%, transparent);
}

@keyframes ew-realtime-pulse {
    0% {
        transform: translateY(-50%) scale(1);
        opacity: 0.9;
    }
    50% {
        transform: translateY(-50%) scale(1.3);
        opacity: 1;
    }
    100% {
        transform: translateY(-50%) scale(1);
        opacity: 0.9;
    }
}

.app-panel .btn.ghost {
    background: transparent;
    border-color: color-mix(in oklab, var(--app-border) 80%, transparent);
}

html[data-theme="light"] .app-panel .btn.ghost {
    border-color: color-mix(in oklab, var(--app-border) 70%, var(--app-accent) 20%);
    color: var(--app-text);
}

@media (max-width: 1100px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .app-panel {
        border-right: none;
        border-bottom: 1px solid var(--app-border);
        max-height: none;
    }

    .canvas-shell {
        height: 70vh;
    }

    .input-bar {
        width: min(760px, calc(100% - 40px));
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .input-group {
        padding-right: 0;
        border-right: none;
    }
}

@media (max-width: 720px) {
    .input-bar {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 10px 12px;
    }

    .input-btn {
        width: 100%;
        height: 42px;
    }

    .input-group {
        padding-right: 0;
        border-right: none;
    }

    .asset-actions {
        flex-direction: column;
        align-items: stretch;

    }
}