/* public/assets/css/hardware/hid-test.css */
.usb-wrapper { --p-bg: #ffffff; --p-border: #e2e8f0; --p-primary: #06b6d4; --p-primary-hover: #0891b2; --p-secondary: #ec4899; --p-secondary-hover: #db2777; --p-danger: #ef4444; --p-text: #0f172a; --p-text-muted: #64748b; --p-code: #0f172a; width: 100%; max-width: 1200px; margin: 0 auto; background: var(--p-bg); border-radius: 20px; padding: 24px; border: 1px solid var(--p-border); box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.usb-wrapper *, .usb-wrapper *::before, .usb-wrapper *::after { box-sizing: border-box; }

.usb-header { text-align: center; margin-bottom: 24px; border-bottom: 1px solid var(--p-border); padding-bottom: 24px; }
.usb-title { font-size: 1.7rem; font-weight: 800; color: var(--p-text); margin: 0 0 10px 0; }
.usb-subtitle { font-size: 0.95rem; color: var(--p-text-muted); max-width: 800px; margin: 0 auto; line-height: 1.6; }

.usb-workspace { display: flex; flex-direction: column; gap: 20px; }

/* Control Panel */
.usb-control-panel { background: #f8fafc; border-radius: 16px; border: 1px solid var(--p-border); padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.usb-panel-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--p-border); padding-bottom: 12px; }
.usb-panel-title { font-size: 1.05rem; font-weight: 800; color: var(--p-text); text-transform: uppercase; letter-spacing: 0.5px; }

.usb-status-badge { font-size: 0.85rem; font-weight: 800; padding: 6px 12px; border-radius: 8px; background: #e2e8f0; color: #64748b; }
.usb-status-badge.connected { background: #dbeafe; color: #0284c7; border: 1px solid #bae6fd; }

.usb-action-row { display: flex; gap: 16px; flex-wrap: wrap; }
.usb-btn-primary, .usb-btn-secondary, .usb-btn-danger { flex: 1; min-width: 200px; padding: 14px; border-radius: 10px; font-weight: 800; font-size: 1.05rem; cursor: pointer; border: none; transition: 0.2s; color: #fff; display: flex; align-items: center; justify-content: center; gap: 8px; }
.usb-btn-primary { background: var(--p-primary); box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3); }
.usb-btn-primary:hover { background: var(--p-primary-hover); transform: translateY(-2px); }
.usb-btn-secondary { background: var(--p-secondary); box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3); }
.usb-btn-secondary:hover { background: var(--p-secondary-hover); transform: translateY(-2px); }
.usb-btn-danger { background: var(--p-danger); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.usb-btn-danger:hover { background: #dc2626; transform: translateY(-2px); }

.usb-device-info { background: #ffffff; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0; font-size: 0.95rem; color: #334155; }
.usb-info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.usb-info-item strong { color: #64748b; margin-right: 6px; }
.usb-info-item .highlight { color: var(--p-secondary); font-weight: 900; }
.code { font-family: 'Consolas', monospace; font-weight: 800; color: var(--p-primary); }

/* Split Layout */
.usb-layout-split { display: flex; gap: 20px; align-items: stretch; height: 550px; }
@media (max-width: 850px) { .usb-layout-split { flex-direction: column; height: auto; } }

/* Tree Panel */
.usb-tree-panel { flex: 1; background: #ffffff; border-radius: 16px; border: 1px solid var(--p-border); padding: 16px; display: flex; flex-direction: column; overflow: hidden; }
.usb-tree-container { flex: 1; overflow-y: auto; padding-right: 8px; margin-top: 12px; }
.usb-empty-state { text-align: center; color: #94a3b8; font-weight: 700; margin-top: 40px; font-size: 0.95rem; }

/* Tree Nodes UI */
.tree-node { border: 1px solid #e2e8f0; border-radius: 8px; margin-bottom: 12px; background: #f8fafc; overflow: hidden; }
.tree-node-header { background: #e2e8f0; padding: 8px 12px; font-weight: 800; font-size: 0.85rem; color: #1e293b; display: flex; align-items: center; gap: 8px; font-family: monospace; }
.tree-node-body { padding: 8px; display: flex; flex-direction: column; gap: 6px; font-family: monospace; font-size: 0.85rem; color: #475569; }
.tree-item { display: flex; justify-content: space-between; background: #fff; border: 1px solid #cbd5e1; padding: 6px 10px; border-radius: 4px; }
.tree-item span { font-weight: 700; color: #0f172a; }
.tag-badge { background: #dbeafe; color: #1d4ed8; padding: 2px 6px; border-radius: 4px; font-size: 0.75rem; font-weight: 800; }

/* Terminal Panel */
.usb-terminal-panel { flex: 1.5; background: #020617; border-radius: 16px; border: 2px solid #1e293b; display: flex; flex-direction: column; overflow: hidden; box-shadow: inset 0 5px 20px rgba(0,0,0,0.8); }
.usb-terminal-panel .usb-panel-title { color: #cbd5e1; background: #0f172a; margin: 0; padding: 12px 16px; border-bottom: 2px solid #1e293b; font-family: monospace; }

.usb-terminal-log { flex: 1; padding: 16px; overflow-y: auto; font-family: 'Consolas', monospace; font-size: 0.9rem; line-height: 1.5; color: #f8fafc; word-break: break-all; }
.usb-log-line { margin-bottom: 6px; border-bottom: 1px dashed rgba(51, 65, 85, 0.5); padding-bottom: 4px; display: flex; align-items: flex-start; gap: 10px; }
.usb-log-line .time { color: #64748b; flex-shrink: 0; }
.usb-log-line.system { color: #64748b; font-style: italic; }
.usb-log-line.error { color: #ef4444; font-weight: 700; }
.usb-log-line.tx .data { color: #ec4899; }
.usb-log-line.tx::before { content: "TX ↗"; font-weight: 800; color: #ec4899; flex-shrink: 0; width: 45px; }
.usb-log-line.rx .data { color: #06b6d4; font-weight: 700; }
.usb-log-line.rx::before { content: "RX ↙"; font-weight: 800; color: #06b6d4; flex-shrink: 0; width: 45px; }

/* Payload Injector */
.usb-io-controls { background: #0f172a; padding: 16px; border-top: 2px solid #1e293b; display: flex; flex-direction: column; gap: 12px; }
.usb-io-row { display: flex; gap: 10px; align-items: center; }
.usb-label { color: #cbd5e1; font-size: 0.9rem; font-weight: 700; font-family: monospace; }
.usb-input-small { width: 80px; padding: 8px 10px; border: 1px solid #475569; border-radius: 6px; font-family: monospace; background: #1e293b; color: #f8fafc; outline: none; }
.usb-input-hex { flex: 1; padding: 12px 14px; border: 1px solid #475569; border-radius: 8px; font-family: monospace; font-size: 1rem; background: #1e293b; color: #f8fafc; outline: none; text-transform: uppercase; }
.usb-input-hex:focus, .usb-input-small:focus { border-color: var(--p-secondary); }
.usb-input-hex:disabled, .usb-input-small:disabled { background: #020617; cursor: not-allowed; opacity: 0.5; }
.usb-btn-action { padding: 0 24px; border-radius: 8px; font-weight: 800; font-size: 1rem; cursor: pointer; border: none; background: var(--p-secondary); color: #fff; transition: 0.2s; }
.usb-btn-action:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(236, 72, 153, 0.4); }
.usb-btn-action:disabled { background: #334155; cursor: not-allowed; color: #94a3b8; }
.usb-btn-icon { background: none; border: none; font-size: 1.2rem; cursor: pointer; opacity: 0.7; transition: 0.2s; padding: 0 8px; color: #fff; }
.usb-btn-icon:hover { opacity: 1; transform: scale(1.1); }

.usb-hint-card { background: #fef2f2; border-left: 4px solid #ef4444; padding: 16px; border-radius: 0 10px 10px 0; font-size: 0.9rem; color: #7f1d1d; line-height: 1.6; }

/* Dark Mode */
[data-theme="dark"] .usb-wrapper { background: #1e293b; border-color: #334155; --p-code: #f8fafc; }
[data-theme="dark"] .usb-title, [data-theme="dark"] .usb-panel-title { color: #f8fafc; }
[data-theme="dark"] .usb-subtitle, [data-theme="dark"] .usb-label { color: #94a3b8; }
[data-theme="dark"] .usb-control-panel, [data-theme="dark"] .usb-tree-panel { background: #0f172a; border-color: #475569; }
[data-theme="dark"] .usb-device-info { background: #1e293b; border-color: #475569; color: #cbd5e1; }
[data-theme="dark"] .usb-status-badge { background: #334155; color: #cbd5e1; }
[data-theme="dark"] .usb-status-badge.connected { background: rgba(6, 184, 212, 0.2); color: #22d3ee; border-color: #0891b2; }
[data-theme="dark"] .tree-node { background: #1e293b; border-color: #475569; }
[data-theme="dark"] .tree-node-header { background: #334155; color: #f8fafc; }
[data-theme="dark"] .tree-item { background: #0f172a; border-color: #475569; color: #cbd5e1; }
[data-theme="dark"] .tree-item span { color: #f8fafc; }
[data-theme="dark"] .tag-badge { background: rgba(6, 184, 212, 0.2); color: #22d3ee; }
[data-theme="dark"] .usb-hint-card { background: rgba(239, 68, 68, 0.1); border-left-color: #ef4444; color: #fca5a5; }