:root {
    --bg-accent: radial-gradient(circle at top left, rgba(255, 255, 255, 0.75), transparent 36%),
        linear-gradient(135deg, #f7f2e6 0%, #e6dfce 50%, #d7d4c7 100%);
    --panel-border: rgba(24, 47, 38, 0.12);
    --text: #163227;
    --text-soft: #617168;
    --text-inverse: #fbf6ec;
    --accent: #0c7c59;
    --accent-strong: #0a5a42;
    --accent-soft: rgba(12, 124, 89, 0.14);
    --danger: #a53f2b;
    --danger-soft: rgba(165, 63, 43, 0.12);
    --shadow: 0 20px 50px rgba(47, 43, 31, 0.14);
    --radius: 24px;
    --grid-gap: 22px;
    --font-sans: "Bahnschrift", "Segoe UI Variable", "Microsoft YaHei UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg-accent);
}

button,
input,
select {
    font: inherit;
}

.app-shell {
    width: min(1440px, calc(100vw - 32px));
    margin: 20px auto 28px;
}

.hero,
.status-strip,
.panel {
    border: 1px solid var(--panel-border);
    box-shadow: var(--shadow);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(320px, 1fr);
    gap: 28px;
    padding: 28px;
    border-radius: 28px;
    background:
        linear-gradient(145deg, rgba(20, 46, 37, 0.98), rgba(10, 33, 26, 0.9)),
        linear-gradient(120deg, rgba(255, 255, 255, 0.18), transparent 45%);
    color: var(--text-inverse);
}

.eyebrow,
.panel-kicker,
.status-label {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.74rem;
    font-weight: 700;
    opacity: 0.74;
}

.hero h1,
.panel-head h2 {
    margin: 0;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1;
}

.hero-text {
    max-width: 62ch;
    margin: 16px 0 0;
    color: rgba(251, 246, 236, 0.82);
    line-height: 1.65;
}

.hero-actions {
    display: grid;
    align-content: start;
    gap: 12px;
}

.button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button.primary {
    background: linear-gradient(135deg, #ecffbd 0%, #94ebcb 100%);
    color: #12392d;
    font-weight: 700;
}

.button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
    border-color: rgba(255, 255, 255, 0.18);
}

.button.ghost {
    background: transparent;
    color: var(--text);
    border-color: rgba(17, 47, 38, 0.18);
}

.button.danger {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: rgba(165, 63, 43, 0.18);
}

.button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.startup-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(12, 30, 24, 0.58);
    backdrop-filter: blur(14px);
}

.startup-overlay[hidden] {
    display: none;
}

.startup-card {
    width: min(560px, calc(100vw - 32px));
    padding: 28px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(180deg, rgba(255, 252, 245, 0.98), rgba(246, 241, 232, 0.96));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.startup-card h2 {
    margin: 0;
}

.startup-text {
    margin: 16px 0 22px;
    color: var(--text-soft);
    line-height: 1.7;
}

.startup-hint {
    margin: 0 0 8px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.startup-path {
    display: block;
    margin-bottom: 20px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(22, 50, 39, 0.08);
    color: var(--text);
    line-height: 1.6;
    white-space: normal;
    word-break: break-all;
}

.file-button input {
    display: none;
}

.status-strip {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    border-radius: var(--radius);
    background: rgba(255, 252, 245, 0.86);
    backdrop-filter: blur(18px);
}

.status-block {
    display: grid;
    gap: 6px;
}

.status-block strong {
    min-height: 1.6em;
}

.workspace {
    margin-top: 20px;
    display: grid;
    grid-template-columns: minmax(260px, 0.85fr) minmax(440px, 1.45fr) minmax(300px, 1fr);
    gap: var(--grid-gap);
    align-items: start;
}

.panel {
    min-height: 520px;
    padding: 22px;
    border-radius: var(--radius);
    background: rgba(255, 250, 242, 0.86);
    backdrop-filter: blur(14px);
}

.panel-list {
    background: linear-gradient(180deg, rgba(255, 247, 232, 0.96), rgba(248, 241, 228, 0.92));
}

.panel-detail {
    background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(245, 239, 228, 0.94));
}

.panel-drop {
    background: linear-gradient(180deg, rgba(245, 250, 244, 0.96), rgba(234, 243, 238, 0.94));
}

.panel-head {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 700;
}

.entity-list,
.message-list,
.simple-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.entity-list,
.message-list,
.simple-list,
.file-stack,
.detail-actions {
    display: grid;
    gap: 10px;
}

.entity-item {
    display: grid;
    gap: 8px;
    width: 100%;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(22, 50, 39, 0.08);
    background: rgba(255, 255, 255, 0.56);
    cursor: pointer;
    text-align: left;
    transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.entity-item:hover {
    transform: translateY(-1px);
    border-color: rgba(12, 124, 89, 0.24);
}

.entity-item.is-selected {
    border-color: rgba(12, 124, 89, 0.34);
    background: linear-gradient(180deg, rgba(236, 255, 189, 0.6), rgba(255, 255, 255, 0.84));
}

.entity-item-top,
.file-card-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.entity-title,
.file-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
}

.entity-subtitle,
.file-name,
.field-hint,
.slot-card p,
.empty-state,
.output-preview {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-soft);
    line-height: 1.6;
    word-break: break-all;
}

.chip-row,
.slot-grid,
.detail-actions,
.file-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(12, 124, 89, 0.1);
    color: var(--accent-strong);
    font-size: 0.85rem;
}

.chip.muted {
    background: rgba(22, 50, 39, 0.07);
    color: var(--text-soft);
}

.chip.warn {
    background: rgba(165, 63, 43, 0.12);
    color: var(--danger);
}

.inspector {
    display: grid;
    gap: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.field,
.section-card,
.info-card,
.file-card,
.slot-card {
    display: grid;
    gap: 10px;
}

.field.field-wide {
    grid-column: 1 / -1;
}

.field label {
    font-weight: 700;
}

.field input,
.field select,
.slot-card select {
    min-height: 46px;
    padding: 0 14px;
    border-radius: 14px;
    border: 1px solid rgba(22, 50, 39, 0.14);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
}

.color-editor,
.alpha-editor {
    display: grid;
    gap: 10px;
}

.color-editor-main {
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 10px;
    align-items: stretch;
}

.color-picker-input {
    width: 100%;
    min-width: 0;
    min-height: 46px;
    padding: 4px;
    border-radius: 14px;
    cursor: pointer;
}

.alpha-editor {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
}

.alpha-label {
    font-size: 0.84rem;
    color: var(--text-soft);
    white-space: nowrap;
}

.alpha-input {
    width: 100%;
}

.section-card,
.info-card,
.file-card,
.slot-card,
.simple-list li,
.message-list li,
.output-line {
    border-radius: 18px;
    border: 1px solid rgba(22, 50, 39, 0.08);
    background: rgba(255, 255, 255, 0.7);
}

.section-card,
.info-card {
    padding: 16px;
}

.section-card h3,
.info-card h3,
.slot-card h4 {
    margin: 0;
}

.file-card,
.slot-card,
.simple-list li,
.message-list li,
.output-line {
    padding: 14px;
}

.slot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.drop-zone {
    border: 2px dashed rgba(12, 124, 89, 0.28);
    border-radius: 24px;
    min-height: 180px;
    padding: 24px;
    display: grid;
    place-items: center;
    text-align: center;
    background: linear-gradient(145deg, rgba(236, 255, 189, 0.55), rgba(255, 255, 255, 0.76));
    color: var(--accent-strong);
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.drop-zone.is-dragging {
    transform: scale(1.01);
    border-color: rgba(10, 90, 66, 0.42);
    background: linear-gradient(145deg, rgba(236, 255, 189, 0.76), rgba(255, 255, 255, 0.92));
}

.drop-zone.is-locked {
    opacity: 0.55;
    cursor: not-allowed;
}

.drop-zone p,
.drop-zone span {
    margin: 0;
}

.drop-zone span {
    color: rgba(10, 90, 66, 0.8);
}

.message-list li.info {
    border-left: 3px solid rgba(12, 124, 89, 0.36);
}

.message-list li.warn {
    border-left: 3px solid rgba(165, 63, 43, 0.4);
}

.message-list li.error {
    border-left: 3px solid rgba(165, 63, 43, 0.7);
}

@media (max-width: 1180px) {
    .workspace {
        grid-template-columns: 1fr;
    }

    .panel {
        min-height: auto;
    }
}

@media (max-width: 860px) {
    .app-shell {
        width: min(100vw - 18px, 100%);
        margin: 10px auto 18px;
    }

    .hero,
    .status-strip,
    .form-grid,
    .slot-grid,
    .color-editor-main,
    .alpha-editor {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 22px;
    }

    .panel {
        padding: 18px;
    }
}