:root {
    --rn-bg: #111317;
    --rn-panel-bg: #ffffff;
    --rn-border: #e2e8f0;
    --rn-text: #111827;
    --rn-muted: #6b7280;
    --rn-primary: #2563eb;
    --rn-open: #f97316;
    --rn-progress: #facc15;
    --rn-resolved: #22c55e;
}

body.rn-adding {
    cursor: crosshair;
}

#rn-app {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99999;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

#rn-toggle {
    width: 44px;
    height: 44px;
    background: #fde047;
    color: #111827;
    border: 1px solid #facc15;
    border-radius: 12px;
    padding: 0;
    font-size: 0;
    cursor: pointer;
    position: relative;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}

#rn-toggle::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.8);
    clip-path: polygon(0 0, 100% 0, 0 100%);
    border-radius: 2px;
}

.rn-toggle-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    transform: translate(-50%, -50%);
    border: 2px solid #111827;
    border-radius: 3px;
    box-sizing: border-box;
}

.rn-toggle-icon::after {
    content: '';
    position: absolute;
    left: 3px;
    right: 3px;
    top: 4px;
    height: 2px;
    background: #111827;
    box-shadow: 0 4px 0 #111827;
}

.rn-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

#rn-app.open #rn-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#rn-panel {
    position: fixed;
    right: 20px;
    bottom: 70px;
    width: 320px;
    max-height: 70vh;
    background: var(--rn-panel-bg);
    border: 1px solid var(--rn-border);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 200ms ease, transform 200ms ease;
    overflow: hidden;
}

.rn-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--rn-border);
}

.rn-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--rn-text);
}

.rn-panel-subtitle {
    font-size: 11px;
    color: var(--rn-muted);
    margin-top: 2px;
}

.rn-panel-close {
    border: none;
    background: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--rn-muted);
}

.rn-panel-actions {
    padding: 12px 16px 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rn-adding-indicator {
    font-size: 11px;
    color: var(--rn-muted);
    display: none;
}

.rn-editor {
    padding: 0 16px 12px;
    border-bottom: 1px solid var(--rn-border);
}

#rn-editor-text {
    width: 100%;
    border: 1px solid var(--rn-border);
    border-radius: 8px;
    padding: 8px;
    font-size: 13px;
    resize: vertical;
    margin-bottom: 8px;
}

.rn-editor-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--rn-muted);
}

.rn-editor-row select {
    flex: 1;
    border: 1px solid var(--rn-border);
    border-radius: 6px;
    padding: 4px 6px;
    font-size: 12px;
}

.rn-editor-row input[type=\"text\"] {
    flex: 1;
    border: 1px solid var(--rn-border);
    border-radius: 6px;
    padding: 4px 6px;
    font-size: 12px;
}

.rn-editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.rn-note-list {
    padding: 8px 16px 16px;
    overflow-y: auto;
}

.rn-note-item {
    border: 1px solid var(--rn-border);
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    background: #f8fafc;
}

.rn-note-item.is-selected {
    border-color: var(--rn-primary);
    background: #eef4ff;
}

.rn-note-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.rn-note-meta {
    font-size: 11px;
    color: var(--rn-muted);
}

.rn-note-body {
    font-size: 13px;
    color: var(--rn-text);
    margin-bottom: 8px;
    white-space: pre-wrap;
}

.rn-note-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.rn-note-actions select {
    border: 1px solid var(--rn-border);
    border-radius: 6px;
    padding: 4px 6px;
    font-size: 12px;
}

.rn-btn {
    border: 1px solid var(--rn-border);
    background: #fff;
    color: var(--rn-text);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
}

.rn-btn-primary {
    background: var(--rn-primary);
    color: #fff;
    border-color: var(--rn-primary);
}

.rn-btn-small {
    font-size: 11px;
    padding: 4px 8px;
}

.rn-btn-danger {
    color: #dc2626;
    border-color: #fecaca;
}

.rn-status {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 3px 6px;
    border-radius: 999px;
    background: #e5e7eb;
    color: #374151;
}

.rn-status-open {
    background: rgba(249, 115, 22, 0.15);
    color: #c2410c;
}

.rn-status-in-progress {
    background: rgba(250, 204, 21, 0.2);
    color: #a16207;
}

.rn-status-resolved {
    background: rgba(34, 197, 94, 0.2);
    color: #15803d;
}

.rn-empty {
    font-size: 12px;
    color: var(--rn-muted);
    padding: 8px 0;
}

#rn-pin-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99998;
}

.rn-pin {
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: var(--rn-open);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    transform: translate(-50%, -50%);
    pointer-events: auto;
    cursor: pointer;
}

.rn-pin.rn-status-in-progress {
    background: var(--rn-progress);
}

.rn-pin.rn-status-resolved {
    background: var(--rn-resolved);
}

.rn-pin.is-selected {
    outline: 3px solid var(--rn-primary);
}

.rn-pin-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #111827;
    font-size: 10px;
    font-weight: 700;
}

.rn-pin-tooltip {
    position: absolute;
    left: 50%;
    bottom: 130%;
    transform: translateX(-50%);
    background: rgba(17, 24, 39, 0.9);
    color: #fff;
    font-size: 11px;
    padding: 6px 8px;
    border-radius: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 150ms ease;
    white-space: pre-wrap;
    max-width: 220px;
}

.rn-pin:hover .rn-pin-tooltip {
    opacity: 1;
}

@media (max-width: 768px) {
    #rn-panel {
        width: 90vw;
        right: 5vw;
    }
}