:root {
    --cnn-stage: #f7f8f5;
    --cnn-ink: #27323a;
    --cnn-muted: #66727c;
    --cnn-line: rgba(74, 124, 138, 0.26);
    --cnn-panel: rgba(255, 255, 255, 0.9);
    --cnn-glass: rgba(255, 255, 255, 0.78);
    --cnn-shadow: 0 18px 50px rgba(39, 50, 58, 0.14);
    --cnn-a: #008b8b;
    --cnn-b: #d4740a;
}

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

body {
    background:
        radial-gradient(circle at 18% 12%, rgba(0, 139, 139, 0.08), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(212, 116, 10, 0.08), transparent 26%),
        var(--color-bg);
    color: var(--cnn-ink);
}

button,
input {
    font-family: inherit;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
}

.cnn-app {
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 14px;
}

.cnn-topbar {
    min-height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border: 1px solid rgba(213, 211, 206, 0.86);
    background: var(--cnn-panel);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
}

.cnn-topbar h1 {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.35rem;
    letter-spacing: 0;
}

.cnn-topbar p {
    margin: 2px 0 0;
    color: var(--cnn-muted);
    font-size: 0.92rem;
}

.back-link,
.icon-button,
.dock-button,
.tool-button,
.primary-action,
.secondary-action,
.hold-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
}

.back-link,
.icon-button {
    width: 44px;
    height: 44px;
    padding: 0;
    background: rgba(74, 124, 138, 0.1);
    color: var(--color-primary);
}

.icon-button span {
    display: none;
}

.topbar-actions {
    display: flex;
    gap: 8px;
}

.topbar-actions .icon-button:first-child {
    width: auto;
    padding: 0 14px;
}

.topbar-actions .icon-button:first-child span {
    display: inline;
}

.quiet {
    background: rgba(58, 58, 58, 0.06);
    color: var(--cnn-muted);
}

.cnn-stage-shell {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: 12px;
}

.graph-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    overflow: auto;
    background:
        linear-gradient(rgba(74, 124, 138, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 124, 138, 0.06) 1px, transparent 1px),
        var(--cnn-stage);
    background-size: 40px 40px;
    box-shadow: var(--shadow-md);
}

.stage-hud {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 10;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hud-group {
    min-width: 98px;
    padding: 9px 12px;
    border: 1px solid rgba(213, 211, 206, 0.86);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
}

.hud-label {
    display: block;
    color: var(--cnn-muted);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.hud-group strong {
    display: block;
    margin-top: 1px;
    color: var(--cnn-ink);
    font-size: 1rem;
}

.graph-board {
    position: relative;
    min-width: 960px;
    min-height: 520px;
    height: 100%;
    cursor: grab;
}

.graph-board.panning {
    cursor: grabbing;
}

.node-palette {
    position: absolute;
    left: 18px;
    top: 104px;
    z-index: 12;
    display: flex;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.palette-tool {
    height: 40px;
    padding: 0 12px;
    border: 1px solid rgba(74, 124, 138, 0.16);
    border-radius: 8px;
    background: rgba(74, 124, 138, 0.1);
    color: var(--color-primary);
    font-weight: 800;
}

.graph-edges {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
    z-index: 1;
}

.graph-empty-hint {
    position: absolute;
    right: 18px;
    bottom: 18px;
    max-width: 360px;
    padding: 12px 14px;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.84);
    color: var(--cnn-muted);
    font-size: 0.9rem;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.cnn-node {
    position: absolute;
    z-index: 3;
    width: 184px;
    min-height: 170px;
    padding: 10px;
    border: 2px solid rgba(213, 211, 206, 0.95);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-sm);
    cursor: default;
    user-select: none;
    touch-action: none;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.cnn-node:active {
    cursor: grabbing;
}

.cnn-node.selected {
    border-color: var(--color-primary);
    box-shadow: 0 12px 28px rgba(74, 124, 138, 0.2);
}

.cnn-node h3 {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.2;
    color: var(--cnn-ink);
}

.cnn-node p {
    margin: 3px 0 8px;
    min-height: 16px;
    color: var(--cnn-muted);
    font-size: 0.76rem;
}

.node-drag-handle {
    cursor: grab;
    padding-right: 48px;
}

.node-drag-handle:active {
    cursor: grabbing;
}

.node-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
    margin-top: 8px;
}

.node-preview-grid canvas {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    background: #edf0ed;
    border: 1px solid rgba(213, 211, 206, 0.82);
}

.node-type {
    position: absolute;
    right: 8px;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
}

.node-delete {
    position: absolute;
    top: 6px;
    right: 24px;
    z-index: 6;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 7px;
    background: #fff;
    color: var(--color-danger);
    font-size: 1rem;
    font-weight: 900;
    line-height: 1;
    box-shadow: var(--shadow-sm);
}

.node-delete:hover {
    border-color: rgba(157, 79, 46, 0.44);
    background: #fff4ee;
}

.cnn-node[data-type="input"] .node-type { background: #8a9bae; }
.cnn-node[data-type="conv"] .node-type { background: var(--cnn-a); }
.cnn-node[data-type="relu"] .node-type { background: #5a9e6f; }
.cnn-node[data-type="pool"] .node-type { background: var(--cnn-b); }
.cnn-node[data-type="dense"] .node-type { background: var(--color-danger); }
.cnn-node[data-type="test"] .node-type { background: #7c6f9e; }

.node-port {
    position: absolute;
    top: 50%;
    width: 18px;
    height: 18px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(74, 124, 138, 0.28);
    transform: translateY(-50%);
    z-index: 5;
}

.node-port.in {
    left: -10px;
}

.node-port.out {
    right: -10px;
}

.cnn-node[data-type="input"] .node-port.in,
.cnn-node[data-type="dense"] .node-port.out,
.cnn-node[data-type="test"] .node-port.out {
    display: none;
}

.cnn-node.pending-connect {
    border-color: var(--color-accent);
}

.node-control {
    display: grid;
    gap: 5px;
    margin-top: 9px;
    padding-top: 8px;
    border-top: 1px solid rgba(213, 211, 206, 0.82);
}

.node-control label {
    display: grid;
    grid-template-columns: 48px 1fr 42px;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--cnn-muted);
}

.node-control input[type="range"] {
    width: 100%;
}

.node-control output {
    color: var(--cnn-ink);
    font-size: 0.68rem;
    text-align: right;
}

.edge-line {
    stroke: var(--color-primary);
    stroke-width: 3;
    stroke-linecap: round;
    opacity: 0.55;
    cursor: pointer;
    pointer-events: stroke;
}

.edge-line:hover {
    stroke: var(--color-danger);
    opacity: 0.9;
}

.edge-draft {
    stroke: var(--color-accent);
    stroke-dasharray: 8 7;
    opacity: 0.82;
}

.edge-arrow {
    fill: var(--color-primary);
    opacity: 0.72;
}

.command-dock {
    display: grid;
    grid-template-columns: repeat(4, max-content) 190px 1fr;
    gap: 8px;
    align-items: center;
    min-height: 68px;
    padding: 12px;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    background: var(--cnn-panel);
    box-shadow: var(--shadow-sm);
}

.capture-drawer,
.feature-panel {
    position: absolute;
    z-index: 11;
    width: 254px;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.capture-drawer {
    right: 14px;
    top: 14px;
    padding: 10px;
}

.feature-panel {
    right: 14px;
    bottom: 14px;
    max-height: 350px;
    overflow: auto;
    padding: 10px;
}

.utility-rail {
    position: absolute;
    top: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 12;
    width: 238px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid rgba(213, 211, 206, 0.9);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.rail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(213, 211, 206, 0.82);
}

.rail-header strong {
    color: var(--cnn-ink);
    font-size: 0.82rem;
}

.rail-toggle,
.rail-restore {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 0;
    border-radius: 8px;
    background: rgba(74, 124, 138, 0.1);
    color: var(--color-primary);
}

.rail-toggle {
    width: 34px;
    height: 34px;
    padding: 0;
}

.rail-restore {
    position: absolute;
    right: 14px;
    top: 14px;
    z-index: 12;
    height: 38px;
    padding: 0 10px;
    font-weight: 800;
}

.rail-body {
    min-height: 0;
    overflow: auto;
    padding: 8px;
    display: grid;
    gap: 8px;
}

.rail-collapsed-label {
    display: none;
}

.utility-rail .capture-drawer,
.utility-rail .feature-panel {
    position: static;
    width: auto;
    max-height: none;
    overflow: visible;
    padding: 8px;
    border-radius: 8px;
    box-shadow: none;
    background: rgba(250, 250, 248, 0.9);
}

.utility-rail.collapsed {
    display: none;
}

.utility-rail:not(.collapsed) ~ .graph-board {
    width: calc(100% - 262px) !important;
    min-width: 760px;
}

.mini-camera {
    position: relative;
    aspect-ratio: 4 / 3;
    height: auto;
    overflow: hidden;
    border-radius: 8px;
    background: #111;
}

.mini-camera video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

.capture-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 6px;
}

.capture-buttons .hold-button {
    height: 44px;
    margin: 0;
}

.mini-samples {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 6px;
}

.mini-samples .sample-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-height: 78px;
    gap: 4px;
}

.selected-preview.compact {
    margin: 0 0 8px;
    padding: 8px;
}

.selected-preview.compact canvas {
    width: 56px;
    height: 56px;
}

.sample-grid.compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-height: 96px;
    overflow: auto;
    margin-bottom: 8px;
    gap: 5px;
}

.feature-gallery.compact {
    grid-template-columns: repeat(3, 1fr);
    max-height: none;
    overflow: visible;
    padding: 0;
    border: 0;
    background: transparent;
}

.feature-gallery.compact .feature-card {
    min-height: 82px;
    padding: 6px;
}

.feature-gallery.compact .feature-card strong {
    font-size: 0.64rem;
}

.dock-button,
.tool-button {
    height: 42px;
    padding: 0 14px;
    background: var(--color-primary);
    color: #fff;
}

.dock-button:hover,
.tool-button:hover,
.primary-action:hover,
.secondary-action:hover,
.hold-button:hover {
    transform: translateY(-1px);
}

.dock-button.danger,
.tool-button.danger {
    background: var(--color-danger);
}

.dock-field {
    display: grid;
    gap: 3px;
    font-size: 0.75rem;
    color: var(--cnn-muted);
    font-weight: 700;
}

.dock-field input {
    width: 100%;
    height: 34px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0 10px;
    color: var(--cnn-ink);
}

.dock-message {
    color: var(--cnn-muted);
    font-size: 0.9rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.entry-overlay,
.tutorial-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(242, 240, 235, 0.66);
    backdrop-filter: blur(12px);
}

.coach-layer {
    position: fixed;
    inset: 0;
    z-index: 90;
    pointer-events: none;
}

.spotlight-ring {
    position: fixed;
    border: 3px solid var(--color-accent);
    border-radius: 10px;
    box-shadow: 0 0 0 9999px rgba(39, 50, 58, 0.16), 0 0 0 8px rgba(212, 116, 10, 0.14);
    transition: left 0.2s, top 0.2s, width 0.2s, height 0.2s;
    pointer-events: none;
}

.coach-card {
    position: fixed;
    width: 380px;
    max-height: calc(100vh - 32px);
    overflow: auto;
    padding: 18px;
    border: 1px solid rgba(213, 211, 206, 0.95);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--cnn-shadow);
    pointer-events: auto;
}

.modal-minimize-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    width: 28px;
    height: 28px;
    border: 1px solid rgba(213, 211, 206, 0.92);
    border-radius: 8px;
    background: #fff;
    color: var(--cnn-ink);
    font-size: 1rem;
    font-weight: 900;
    line-height: 1;
    padding: 0;
}

.modal-minimize-button:hover {
    background: var(--color-bg-alt);
}

.modal-minimized {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px !important;
    height: 42px !important;
    min-width: 0 !important;
    max-width: none !important;
    min-height: 0 !important;
    max-height: none !important;
    padding: 5px !important;
    overflow: hidden !important;
    pointer-events: auto;
}

.modal-minimized > :not(.modal-minimize-button) {
    display: none !important;
}

.modal-minimized .modal-minimize-button {
    position: static;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
}

.coach-card h2 {
    margin: 0;
    color: var(--cnn-ink);
    font-size: 1.1rem;
    letter-spacing: 0;
}

.coach-card p:not(.eyebrow) {
    margin: 8px 0 16px;
    color: var(--cnn-muted);
    font-size: 0.92rem;
}

.coach-question {
    display: grid;
    gap: 8px;
    margin: 12px 0 16px;
    padding: 12px;
    border: 1px solid rgba(213, 211, 206, 0.86);
    border-radius: 8px;
    background: var(--color-bg);
}

.coach-question label,
.coach-answer-label {
    color: var(--cnn-ink);
    font-size: 0.86rem;
    font-weight: 800;
}

.math-prompt {
    display: grid;
    gap: 10px;
}

.matrix-pair {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.matrix-card {
    display: grid;
    justify-items: center;
    gap: 4px;
    min-width: 0;
    padding: 8px;
    border: 1px solid rgba(213, 211, 206, 0.72);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.58);
}

.matrix-card > span {
    color: var(--cnn-muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.matrix-card .katex-display {
    max-width: 100%;
    margin: 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.matrix-card .katex {
    font-size: 1rem;
}

.matrix-card.single,
.formula-card {
    display: grid;
    justify-items: center;
    min-width: 0;
    padding: 8px;
    border: 1px solid rgba(213, 211, 206, 0.72);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.58);
}

.formula-card .katex-display {
    max-width: 100%;
    margin: 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.formula-card .katex {
    font-size: 1rem;
}

.coach-question input {
    width: 100%;
    min-width: 0;
    height: 38px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0 10px;
}

.coach-question textarea {
    width: 100%;
    min-height: 96px;
    resize: vertical;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 10px;
    font-family: inherit;
    line-height: 1.5;
}

.coach-question textarea.essay-answer {
    min-height: min(42vh, 360px);
    font-size: 0.98rem;
}

.hyperparam-grid {
    display: grid;
    gap: 8px;
}

.hyperparam-answer {
    display: grid;
    gap: 5px;
}

.hyperparam-answer span {
    color: var(--cnn-ink);
    font-size: 0.8rem;
    font-weight: 800;
}

.coach-question .hyperparam-answer textarea {
    min-height: 58px;
}

.coach-hint {
    margin: 0 !important;
    padding: 9px 10px;
    border: 1px solid rgba(74, 124, 138, 0.12);
    border-radius: 8px;
    background: rgba(244, 245, 240, 0.72);
    color: var(--cnn-muted) !important;
    font-size: 0.82rem !important;
    line-height: 1.45;
}

.coach-feedback {
    min-height: 18px;
    margin: 0 !important;
    color: var(--color-danger) !important;
    font-size: 0.78rem !important;
    font-weight: 700;
}

.coach-feedback.ok {
    color: var(--color-success) !important;
}

.loss-submit-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 8px;
}

.loss-submit-row strong {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.collection-progress {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.collection-progress span {
    padding: 9px 10px;
    border: 1px solid rgba(74, 124, 138, 0.14);
    border-radius: 8px;
    background: #fff;
    color: var(--cnn-muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.collection-progress strong {
    color: var(--color-primary);
    font-size: 1rem;
}

.coach-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.entry-card,
.tutorial-modal {
    position: relative;
    border: 1px solid rgba(213, 211, 206, 0.95);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--cnn-shadow);
}

.tutorial-modal > .modal-minimize-button {
    top: 20px;
    right: 58px;
}

.entry-card {
    width: clamp(420px, 34vw, 560px);
    max-width: calc(100vw - 40px);
    padding: clamp(24px, 2.2vw, 34px);
    overflow: hidden;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--color-accent);
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
}

.entry-card h2,
.tutorial-header h2 {
    margin: 0;
    color: var(--cnn-ink);
    letter-spacing: 0;
    line-height: 1.28;
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 24px 0;
}

.entry-grid label {
    display: grid;
    gap: 6px;
    color: var(--cnn-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.entry-grid input {
    width: 100%;
    min-width: 0;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0 12px;
    font-size: 0.96rem;
}

.primary-action,
.secondary-action {
    min-height: 44px;
    padding: 0 18px;
}

.primary-action {
    background: var(--color-primary);
    color: #fff;
}

.secondary-action {
    background: #8a9bae;
    color: #fff;
}

.hidden {
    display: none;
}

.tutorial-modal {
    width: min(1040px, calc(100vw - 36px));
    height: min(720px, calc(100vh - 36px));
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tutorial-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 24px 14px;
    border-bottom: 1px solid rgba(213, 211, 206, 0.82);
}

.tutorial-progress {
    height: 5px;
    background: var(--color-bg-alt);
}

.tutorial-progress div {
    height: 100%;
    width: 16.6%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
    transition: width 0.25s ease;
}

.tutorial-body {
    flex: 1;
    position: relative;
    min-height: 0;
    overflow: hidden;
}

.tutorial-step {
    position: absolute;
    inset: 0;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(28px);
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
    overflow: auto;
}

.tutorial-step.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.briefing-layout,
.capture-layout,
.training-layout {
    height: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
    gap: 22px;
    align-items: stretch;
}

.briefing-copy,
.capture-panel,
.sample-picker,
.graph-editor,
.training-copy,
.feature-gallery {
    border: 1px solid rgba(213, 211, 206, 0.86);
    border-radius: 8px;
    background: var(--color-bg);
    padding: 20px;
}

.briefing-copy h3,
.capture-panel h3,
.sample-picker h3,
.training-copy h3 {
    margin: 0 0 8px;
    color: var(--color-primary);
    font-size: 1.08rem;
}

.briefing-copy p,
.capture-panel p,
.sample-picker p,
.training-copy p {
    margin: 0 0 14px;
    color: var(--cnn-muted);
    font-size: 0.94rem;
}

.mission-list {
    display: grid;
    gap: 10px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.mission-list li {
    padding: 11px 13px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid rgba(213, 211, 206, 0.8);
    font-weight: 700;
}

.mission-token {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 280px;
    border: 1px solid rgba(74, 124, 138, 0.18);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(74, 124, 138, 0.12), rgba(212, 116, 10, 0.08)),
        #fff;
}

.mission-token span {
    color: var(--cnn-muted);
    font-weight: 800;
}

.mission-token strong {
    margin-top: 8px;
    color: var(--color-primary);
    font-size: 2.1rem;
}

.camera-frame {
    position: relative;
    min-height: 360px;
    overflow: hidden;
    border-radius: 8px;
    background: #111;
}

.camera-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

.camera-status {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 8px;
    padding: 7px 9px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--cnn-ink);
    font-size: 0.76rem;
    font-weight: 700;
    backdrop-filter: blur(8px);
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.hold-button {
    width: 100%;
    height: 62px;
    margin: 4px 0 16px;
    color: #fff;
    font-size: 1rem;
}

.hold-button.class-a {
    background: var(--cnn-a);
}

.hold-button.class-b {
    background: var(--cnn-b);
}

.hold-button.capturing {
    outline: 4px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 0 6px rgba(74, 124, 138, 0.16);
}

.sample-strip,
.sample-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
    gap: 8px;
    align-content: start;
}

.sample-strip {
    max-height: 220px;
    overflow: auto;
}

.sample-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    height: auto;
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    padding: 0;
    min-width: 0;
}

.sample-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.sample-thumb.selected {
    border-color: var(--color-primary);
}

.sample-thumb.removable::before {
    content: "×";
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(186, 83, 58, 0.94);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 900;
    line-height: 1;
}

.sample-thumb.removable:hover {
    border-color: var(--color-danger);
}

.sample-thumb[data-label="A"]::after,
.sample-thumb[data-label="B"]::after {
    position: absolute;
    left: 4px;
    bottom: 4px;
    padding: 1px 5px;
    border-radius: 5px;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
}

.sample-thumb[data-label="A"]::after {
    content: "A";
    background: var(--cnn-a);
}

.sample-thumb[data-label="B"]::after {
    content: "B";
    background: var(--cnn-b);
}

.sample-picker {
    min-height: 100%;
}

.selected-preview {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 14px 0;
    padding: 14px;
    border: 1px solid rgba(213, 211, 206, 0.86);
    border-radius: 8px;
    background: #fff;
}

.selected-preview canvas {
    width: 128px;
    height: 128px;
    border-radius: 8px;
    border: 1px solid rgba(213, 211, 206, 0.82);
}

.graph-editor {
    min-height: 100%;
}

.editor-toolbar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.node-settings {
    min-height: 170px;
    border: 1px solid rgba(213, 211, 206, 0.84);
    border-radius: 8px;
    padding: 16px;
    background: #fff;
    color: var(--cnn-muted);
}

.node-settings label {
    display: grid;
    grid-template-columns: 140px 1fr 44px;
    gap: 10px;
    align-items: center;
    margin: 12px 0;
    color: var(--cnn-ink);
    font-weight: 700;
}

.node-settings input[type="range"] {
    width: 100%;
}

.metric-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 18px;
}

.metric-row div {
    padding: 14px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid rgba(213, 211, 206, 0.82);
}

.metric-row span {
    display: block;
    color: var(--cnn-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.metric-row strong {
    display: block;
    margin-top: 3px;
    color: var(--color-primary);
    font-size: 1.3rem;
}

.feature-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
    gap: 10px;
    overflow: auto;
}

.feature-card {
    min-height: 132px;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(213, 211, 206, 0.82);
    background: #fff;
}

.feature-card canvas {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    background: #edf0ed;
}

.feature-card strong {
    display: block;
    margin-top: 7px;
    font-size: 0.78rem;
    color: var(--cnn-ink);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.tutorial-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid rgba(213, 211, 206, 0.82);
    background: #fafaf8;
}

@media (max-width: 920px) {
    body {
        overflow: auto;
    }

    .cnn-app {
        min-height: 100vh;
        height: auto;
    }

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

    .topbar-actions {
        grid-column: 1 / -1;
    }

    .cnn-stage-shell {
        min-height: 720px;
    }

    .command-dock {
        grid-template-columns: 1fr 1fr;
    }

    .dock-message,
    .dock-field {
        grid-column: 1 / -1;
    }

    .briefing-layout,
    .capture-layout,
    .training-layout {
        grid-template-columns: 1fr;
    }

    .tutorial-modal {
        height: calc(100vh - 24px);
        width: calc(100vw - 24px);
    }

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