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

body {
    background: #020617;
}

#app {
    width: 100%;
    height: 100%;
}

:root {
    --fc-bg-1: #020617;
    --fc-bg-2: #0f172a;
    --fc-bg-3: #111827;
    --fc-border: rgba(255, 255, 255, 0.10);
    --fc-border-strong: rgba(255, 255, 255, 0.20);
    --fc-text: #ffffff;
    --fc-text-soft: #94a3b8;
    --fc-text-muted: #64748b;
    --fc-primary: #3b82f6;
    --fc-secondary: #8b5cf6;
    --fc-danger: #ef4444;
}

.fc-form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.fc-form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.fc-card {
    min-width: 0;
}

.fc-input,
.fc-textarea {
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.fc-textarea {
    overflow: auto;
    word-break: break-all;
}

.fc-input, .fc-textarea {
    width: 100%;
    box-sizing: border-box;
}

.fc-card {
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.flowconnect-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.flowconnect-page {
    min-height: 100vh;
    color: var(--fc-text);
    background: radial-gradient(circle at top, #1e293b 0%, #020617 45%, #020617 100%);
}

.flowconnect-shell {
    max-width: 1900px;
    margin: 0 auto;
    padding: 24px;
}

.flowconnect-top-grid {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr) 340px;
    gap: 16px;
    margin-bottom: 24px;
}

.flowconnect-main-grid.with-inspector {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr) 340px;
    gap: 16px;
}

.flowconnect-main-grid.without-inspector {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 16px;
}

.fc-card {
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid var(--fc-border);
    border-radius: 28px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.fc-brand-card,
.fc-toolbar-card,
.fc-stats-card {
    padding: 20px;
}

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

.fc-brand-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.10);
    font-size: 28px;
}

.fc-brand-title {
    font-size: 1.7rem;
    font-weight: 700;
}

.fc-brand-subtitle,
.fc-panel-subtitle,
.fc-inspector-muted,
.fc-stats-title {
    color: var(--fc-text-soft);
}

.fc-toolbar-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.fc-btn {
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.6);
    color: white;
    border-radius: 14px;
    padding: 10px 14px;
    cursor: pointer;
    transition: 0.18s ease;
}

    .fc-btn:hover {
        border-color: var(--fc-border-strong);
        background: rgba(15, 23, 42, 0.95);
    }

.fc-btn-primary {
    background: var(--fc-primary);
    border-color: transparent;
}

.fc-btn-secondary {
    background: var(--fc-secondary);
    border-color: transparent;
}

.fc-btn-danger {
    background: var(--fc-danger);
    border-color: transparent;
}

.fc-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--fc-border);
    border-radius: 16px;
    background: rgba(2, 6, 23, 0.6);
}

.fc-stats-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}

.fc-stats-row {
    display: flex;
    gap: 16px;
    font-size: 0.95rem;
}

.fc-badge {
    display: inline-flex;
    width: fit-content;
    background: rgba(16, 185, 129, 0.18);
    color: #86efac;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.85rem;
}

.fc-library-panel,
.fc-canvas-panel,
.fc-inspector-panel {
    padding: 20px;
}

.fc-panel-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

    .fc-panel-title.small {
        font-size: 1rem;
    }

.fc-input,
.fc-textarea,
select.fc-input {
    width: 100%;
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.8);
    color: white;
    border-radius: 14px;
    padding: 10px 12px;
    box-sizing: border-box;
}

.fc-textarea {
    min-height: 100px;
    resize: vertical;
}

.fc-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.92rem;
    color: #e2e8f0;
}

.fc-library-list {
    margin-top: 16px;
    display: grid;
    gap: 12px;
    max-height: calc(100vh - 310px);
    overflow: auto;
    padding-right: 6px;
}

.fc-device-library-item {
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.7);
    border-radius: 20px;
    overflow: hidden;
    text-align: left;
    color: white;
    cursor: pointer;
    transition: 0.18s ease;
}

    .fc-device-library-item:hover {
        border-color: var(--fc-border-strong);
        background: rgba(2, 6, 23, 0.95);
    }

.fc-device-library-image-wrap {
    aspect-ratio: 16 / 8;
    background: #0f172a;
}

.fc-device-library-image,
.fc-device-image,
.fc-inspector-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.fc-device-library-content {
    padding: 14px;
}

.fc-device-library-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.fc-device-library-title {
    font-weight: 700;
}

.fc-device-library-brand,
.fc-inspector-soft {
    color: var(--fc-text-muted);
    font-size: 0.85rem;
}

.fc-device-library-plus {
    font-size: 1.1rem;
    color: var(--fc-text-soft);
}

.fc-device-library-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.fc-tag {
    display: inline-flex;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    color: white;
}

.fc-canvas-scroll {
    margin-top: 14px;
    overflow: auto;
    border: 1px solid var(--fc-border);
    border-radius: 20px;
    background: rgba(2, 6, 23, 0.85);
}

.fc-canvas {
    position: relative;
    background-image: linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.fc-canvas-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.fc-device-instance {
    position: absolute;
    user-select: none;
    z-index: 10;
}

    .fc-device-instance.selected {
        z-index: 20;
    }

.fc-device-image {
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: #0f172a;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.fc-device-title {
    position: absolute;
    left: 12px;
    top: 12px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.fc-device-delete {
    position: absolute;
    right: 8px;
    top: 8px;
    width: 30px;
    height: 30px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    cursor: pointer;
}

.fc-port-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 999px;
    border: 2px solid rgba(15, 23, 42, 0.75);
    transform: translate(-50%, -50%);
    cursor: pointer;
    box-shadow: 0 0 0 0 rgba(255,255,255,0);
}

    .fc-port-dot.selected {
        box-shadow: 0 0 0 4px rgba(255,255,255,0.25);
        transform: translate(-50%, -50%) scale(1.18);
    }

    .fc-port-dot.candidate {
        box-shadow: 0 0 0 4px rgba(255,255,255,0.20);
    }

    .fc-port-dot.static {
        cursor: default;
    }

.fc-port-label {
    position: absolute;
    transform: translateY(-50%);
    white-space: nowrap;
    background: rgba(2, 6, 23, 0.92);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 10px;
    font-size: 11px;
    padding: 4px 8px;
    pointer-events: none;
}

    .fc-port-label.left {
        margin-left: 16px;
    }

    .fc-port-label.right {
        transform: translate(-100%, -50%);
        margin-left: -16px;
    }

.fc-inspector-image-wrap,
.fc-inspector-box,
.fc-empty-box,
.fc-admin-panel,
.fc-admin-preview-wrap,
.fc-admin-json-preview {
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.8);
    border-radius: 20px;
}

.fc-inspector-image-wrap {
    overflow: hidden;
}

.fc-inspector-box,
.fc-empty-box,
.fc-admin-panel,
.fc-admin-json-preview {
    padding: 16px;
    margin-top: 14px;
}

.fc-inspector-name,
.fc-inspector-section-title,
.fc-admin-port-header {
    font-weight: 700;
}

.fc-inspector-port-row {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--fc-border);
    margin-top: 10px;
}

.fc-inspector-port-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    margin-top: 5px;
}

.fc-admin-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.fc-admin-modal {
    width: min(1400px, 96vw);
    max-height: 94vh;
    overflow: auto;
    background: #020617;
    border: 1px solid var(--fc-border);
    border-radius: 28px;
    padding: 20px;
}

.fc-admin-header,
.fc-admin-actions-row,
.fc-admin-login-row,
.fc-admin-port-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.fc-admin-grid {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr) 360px;
    gap: 16px;
    margin-top: 18px;
}

.fc-admin-panel.wide {
    min-width: 0;
}

.fc-admin-list {
    margin-top: 14px;
    display: grid;
    gap: 10px;
    max-height: 600px;
    overflow: auto;
}

.fc-admin-list-item {
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.85);
    color: white;
    border-radius: 14px;
    text-align: left;
    padding: 12px;
    cursor: pointer;
}

    .fc-admin-list-item.selected {
        border-color: var(--fc-border-strong);
        background: rgba(30, 41, 59, 0.95);
    }

.fc-form-grid-2,
.fc-form-grid-3 {
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
}

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

.fc-form-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fc-admin-port-list {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.fc-admin-port-card {
    border: 1px solid var(--fc-border);
    background: rgba(2, 6, 23, 0.85);
    border-radius: 18px;
    padding: 14px;
}

.fc-admin-preview-wrap {
    overflow: auto;
    padding: 18px;
    margin-top: 14px;
}

.fc-admin-preview-device {
    position: relative;
    margin: 0 auto;
}

.fc-admin-json-preview {
    white-space: pre-wrap;
    font-family: Consolas, monospace;
    font-size: 12px;
    max-height: 260px;
    overflow: auto;
    margin-top: 14px;
}

@media (max-width: 1500px) {
    .flowconnect-top-grid,
    .flowconnect-main-grid.with-inspector,
    .flowconnect-main-grid.without-inspector,
    .fc-admin-grid {
        grid-template-columns: 1fr;
    }
}

.fc-device-fallback {
    width: 100%;
    height: 100%;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    box-sizing: border-box;
    color: #94a3b8;
    font-weight: 700;
    font-size: 18px;
    background: rgba(2, 6, 23, 0.6);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    word-break: break-word;
}