*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    height: 100dvh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 14px 20px;
    background: #1e293b;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

header h1 {
    font-size: 15px;
    font-weight: 600;
    color: #f1f5f9;
    letter-spacing: -0.01em;
}

header h1 span {
    color: #38bdf8;
}

.badges {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 999px;
    font-weight: 500;
    border: 1px solid;
}

.badge-blue  { color: #38bdf8; border-color: #38bdf8; background: #38bdf81a; }
.badge-green { color: #4ade80; border-color: #4ade80; background: #4ade801a; }

.layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

#map {
    flex: 1;
}

aside {
    width: 260px;
    flex-shrink: 0;
    background: #1e293b;
    border-left: 1px solid #334155;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.aside-section {
    padding: 16px;
    border-bottom: 1px solid #334155;
}

.aside-section h2 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    margin-bottom: 10px;
}

.instruction {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.instruction:last-child { margin-bottom: 0; }

.instruction-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.instruction-text {
    font-size: 12px;
    color: #94a3b8;
    line-height: 1.5;
    padding-top: 5px;
}

.instruction-text strong {
    color: #cbd5e1;
    font-weight: 500;
}

#event-log {
    flex: 1;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.log-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    margin-bottom: 4px;
    flex-shrink: 0;
}

.log-entry {
    font-size: 11px;
    font-family: "SF Mono", "Fira Code", monospace;
    padding: 5px 8px;
    border-radius: 5px;
    background: #0f172a;
    border-left: 2px solid;
    color: #94a3b8;
    animation: fadeIn 0.15s ease;
}

.log-entry.dragstart { border-color: #f59e0b; }
.log-entry.drag      { border-color: #38bdf8; }
.log-entry.dragend   { border-color: #4ade80; }

.log-entry .event-name { font-weight: 600; }
.log-entry.dragstart .event-name { color: #f59e0b; }
.log-entry.drag      .event-name { color: #38bdf8; }
.log-entry.dragend   .event-name { color: #4ade80; }

.log-empty {
    font-size: 11px;
    color: #334155;
    font-style: italic;
    text-align: center;
    margin-top: 16px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-3px); }
    to   { opacity: 1; transform: translateY(0); }
}