/* ═══ Spark Analyzer — Redesign ═══ */

/* ── Info Tooltip System ── */
.sp-info {
    display: inline-flex; align-items: center; justify-content: center;
    width: 18px; height: 18px; border-radius: 50%;
    background: rgba(52,152,219,0.12); color: #3498DB;
    font-size: 0.6rem; font-weight: 800; cursor: help;
    position: relative; vertical-align: middle; margin-left: 4px;
    transition: all 0.2s; border: 1px solid rgba(52,152,219,0.2);
    font-style: normal; line-height: 1; font-family: var(--mc-body);
    text-transform: none; letter-spacing: 0;
}
.sp-info:hover { background: rgba(52,152,219,0.2); border-color: #3498DB; transform: scale(1.1); }
.sp-info::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 10px); left: 50%;
    transform: translateX(-50%); width: 320px; max-width: 90vw;
    padding: 14px 16px; background: var(--mc-surface2); color: var(--mc-text2);
    border: 1px solid var(--mc-border2); border-radius: 10px;
    font-size: 0.78rem; font-weight: 400; line-height: 1.6;
    text-transform: none; letter-spacing: 0;
    box-shadow: 0 12px 32px rgba(0,0,0,0.5);
    opacity: 0; visibility: hidden; transition: all 0.2s;
    z-index: 100; pointer-events: none;
    text-align: left; white-space: normal;
}
.sp-info:hover::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-4px); }

/* Tooltip arrow */
.sp-info::before {
    content: ''; position: absolute; bottom: calc(100% + 4px); left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent; border-top-color: var(--mc-border2);
    opacity: 0; visibility: hidden; transition: all 0.2s; z-index: 101;
}
.sp-info:hover::before { opacity: 1; visibility: visible; }

/* Right-aligned tooltip for items near right edge */
.sp-metric-card:last-child .sp-info::after { left: auto; right: -10px; transform: none; }
.sp-metric-card:last-child .sp-info:hover::after { transform: translateY(-4px); }
.sp-metric-card:last-child .sp-info::before { left: auto; right: 4px; transform: none; }

/* Upload */
.sp-upload-area { max-width: 600px; margin: 0 auto; }
.sp-upload-tabs { display: flex; gap: 4px; margin-bottom: 16px; background: var(--mc-bg); border-radius: 8px; padding: 4px; }
.sp-tab { flex: 1; padding: 10px; text-align: center; font-size: 0.85rem; font-weight: 600; background: none; border: none; color: var(--mc-text3); cursor: pointer; border-radius: 6px; transition: all 0.2s; font-family: var(--mc-body); }
.sp-tab.active { background: var(--mc-green-dim); color: var(--mc-green); }
.sp-tab:hover:not(.active) { color: var(--mc-text); }
.sp-tab-content { display: none; }
.sp-tab-content.active { display: block; }
.sp-url-row { display: flex; gap: 8px; }
.sp-url-row input { flex: 1; padding: 14px 16px; background: var(--mc-surface); border: 1px solid var(--mc-border2); border-radius: 10px; font-size: 0.95rem; color: var(--mc-text); font-family: var(--mc-body); outline: none; transition: border-color 0.2s; }
.sp-url-row input:focus { border-color: var(--mc-green); box-shadow: 0 0 0 3px var(--mc-green-dim); }
.sp-hint { font-size: 0.78rem; color: var(--mc-text3); margin-top: 8px; }
.sp-hint code { background: var(--mc-surface); padding: 2px 8px; border-radius: 4px; color: var(--mc-green); font-size: 0.75rem; }
.sp-drop-zone { border: 2px dashed var(--mc-border2); border-radius: 12px; padding: 48px 20px; text-align: center; cursor: pointer; transition: all 0.25s; }
.sp-drop-zone:hover { border-color: var(--mc-green); background: var(--mc-green-dim); }
.sp-drop-zone svg { color: var(--mc-text3); margin-bottom: 12px; }
.sp-drop-zone p { font-size: 0.9rem; color: var(--mc-text2); }
.sp-drop-zone span { font-size: 0.75rem; color: var(--mc-text3); }

/* Loading & Error */
.sp-loading { display: none; text-align: center; padding: 48px 20px; }
.sp-spinner { width: 32px; height: 32px; border: 3px solid var(--mc-border2); border-top-color: var(--mc-green); border-radius: 50%; animation: spSpin 0.6s linear infinite; margin: 0 auto 14px; }
@keyframes spSpin { to { transform: rotate(360deg); } }
.sp-loading p { color: var(--mc-text3); font-size: 0.88rem; }
.sp-error { display: none; text-align: center; padding: 32px; background: var(--mc-surface); border: 1px solid rgba(232,76,61,0.2); border-radius: 12px; margin-top: 20px; }
.sp-error svg { color: var(--mc-red); margin-bottom: 10px; }
.sp-error p { color: var(--mc-text2); }

/* Section titles */
.sp-section-title { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.sp-section-title svg { color: var(--mc-green); flex-shrink: 0; }
.sp-section-desc { font-size: 0.85rem; color: var(--mc-text3); line-height: 1.6; margin-bottom: 28px; max-width: 700px; }

/* ── Summary Header ── */
.sp-summary-header { display: flex; align-items: center; gap: 32px; margin-bottom: 32px; padding: 28px; background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 16px; }

.sp-health-ring { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
.sp-health-ring svg { width: 100%; height: 100%; }
.sp-health-ring-text { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.sp-health-score { font-size: 2rem; font-weight: 800; font-family: monospace; }
.sp-health-label { font-size: 0.65rem; color: var(--mc-text3); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

.sp-summary-info { flex: 1; }
.sp-summary-info h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.sp-summary-desc { font-size: 0.9rem; color: var(--mc-text2); line-height: 1.65; margin-bottom: 12px; }

.sp-summary-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.sp-tag { padding: 4px 12px; border-radius: 100px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; }
.sp-tag--green { background: rgba(68,214,44,0.12); color: #44D62C; }
.sp-tag--yellow { background: rgba(255,201,64,0.12); color: #FFC940; }
.sp-tag--red { background: rgba(232,76,61,0.12); color: #E84C3D; }
.sp-tag--blue { background: rgba(52,152,219,0.12); color: #3498DB; }

/* Metrics */
.sp-metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sp-metric-card { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 12px; padding: 20px; text-align: center; }
.sp-metric-label { display: block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--mc-text3); margin-bottom: 6px; }
.sp-metric-value { display: block; font-size: 1.8rem; font-weight: 800; font-family: monospace; letter-spacing: -1px; }
.sp-metric-value--sm { font-size: 0.95rem; letter-spacing: 0; font-family: var(--mc-body); }
.sp-metric-sub { display: block; font-size: 0.72rem; color: var(--mc-text3); margin-top: 4px; line-height: 1.4; }
.sp-metric-bar { height: 4px; background: var(--mc-bg); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.sp-metric-fill { height: 100%; border-radius: 2px; transition: all 0.8s ease; }

/* ── Flags / Issues ── */
.sp-flags { display: flex; flex-direction: column; gap: 12px; }
.sp-flag { display: flex; gap: 16px; padding: 20px; border-radius: 12px; border: 1px solid; position: relative; }
.sp-flag-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sp-flag-icon svg { width: 18px; height: 18px; }
.sp-flag-body { flex: 1; }
.sp-flag-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.sp-flag-title { font-weight: 700; font-size: 0.92rem; }
.sp-flag-severity { font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; padding: 2px 8px; border-radius: 100px; }

.sp-flag-desc { font-size: 0.84rem; color: var(--mc-text2); line-height: 1.6; margin-bottom: 8px; }
.sp-flag-cause { font-size: 0.78rem; color: var(--mc-text3); line-height: 1.5; margin-bottom: 6px; }
.sp-flag-cause strong { color: var(--mc-text2); }
.sp-flag-fix { font-size: 0.78rem; line-height: 1.5; padding: 10px 14px; border-radius: 8px; margin-top: 8px; }
.sp-flag-fix code { background: rgba(0,0,0,0.3); padding: 1px 6px; border-radius: 3px; font-size: 0.75rem; }

.sp-flag--critical { background: rgba(232,76,61,0.04); border-color: rgba(232,76,61,0.15); }
.sp-flag--critical .sp-flag-icon { background: rgba(232,76,61,0.12); color: #E84C3D; }
.sp-flag--critical .sp-flag-title { color: #E84C3D; }
.sp-flag--critical .sp-flag-severity { background: rgba(232,76,61,0.12); color: #E84C3D; }
.sp-flag--critical .sp-flag-fix { background: rgba(232,76,61,0.06); color: var(--mc-text2); }

.sp-flag--warning { background: rgba(255,201,64,0.04); border-color: rgba(255,201,64,0.15); }
.sp-flag--warning .sp-flag-icon { background: rgba(255,201,64,0.12); color: #FFC940; }
.sp-flag--warning .sp-flag-title { color: #FFC940; }
.sp-flag--warning .sp-flag-severity { background: rgba(255,201,64,0.12); color: #FFC940; }
.sp-flag--warning .sp-flag-fix { background: rgba(255,201,64,0.06); color: var(--mc-text2); }

.sp-flag--info { background: rgba(52,152,219,0.04); border-color: rgba(52,152,219,0.15); }
.sp-flag--info .sp-flag-icon { background: rgba(52,152,219,0.12); color: #3498DB; }
.sp-flag--info .sp-flag-title { color: #3498DB; }
.sp-flag--info .sp-flag-severity { background: rgba(52,152,219,0.12); color: #3498DB; }
.sp-flag--info .sp-flag-fix { background: rgba(52,152,219,0.06); color: var(--mc-text2); }

.sp-flag--ok { background: rgba(68,214,44,0.04); border-color: rgba(68,214,44,0.1); }
.sp-flag--ok .sp-flag-icon { background: rgba(68,214,44,0.12); color: #44D62C; }
.sp-flag--ok .sp-flag-title { color: #44D62C; }
.sp-flag--ok .sp-flag-severity { background: rgba(68,214,44,0.12); color: #44D62C; }
.sp-flag--ok .sp-flag-fix { background: rgba(68,214,44,0.06); color: var(--mc-text2); }

/* ── Panels & Charts ── */
.sp-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.sp-panel { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 12px; padding: 24px; min-width: 0; }
.sp-panel h3 { font-size: 0.8rem; font-weight: 700; color: var(--mc-text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--mc-border); }
.sp-chart-wrap { position: relative; height: 320px; width: 100%; overflow: hidden; }
.sp-chart-wrap canvas { max-width: 100%; }

/* Lag & plugin lists */
.sp-lag-list, .sp-plugin-list { display: flex; flex-direction: column; gap: 6px; max-height: 360px; overflow-y: auto; padding-right: 4px; }
.sp-lag-item, .sp-plugin-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--mc-bg); border: 1px solid var(--mc-border); border-radius: 8px; font-size: 0.82rem; transition: border-color 0.2s; }
.sp-lag-item:hover, .sp-plugin-item:hover { border-color: var(--mc-border2); }
.sp-lag-rank { width: 26px; height: 26px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 800; flex-shrink: 0; }
.sp-lag-rank--ok { background: rgba(68,214,44,0.1); color: #44D62C; }
.sp-lag-rank--warn { background: rgba(255,201,64,0.1); color: #FFC940; }
.sp-lag-rank--bad { background: rgba(232,76,61,0.1); color: #E84C3D; }
.sp-lag-info { flex: 1; min-width: 0; }
.sp-lag-name { font-weight: 600; color: var(--mc-text); word-break: break-all; display: block; font-size: 0.8rem; }
.sp-lag-detail { font-size: 0.7rem; color: var(--mc-text3); display: block; margin-top: 1px; }
.sp-lag-pct { font-family: monospace; font-weight: 700; font-size: 0.88rem; flex-shrink: 0; }

/* ── Recommendations ── */
.sp-recommendations { display: flex; flex-direction: column; gap: 14px; }
.sp-rec { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 14px; padding: 22px 24px; transition: border-color 0.2s; }
.sp-rec:hover { border-color: var(--mc-border2); }
.sp-rec-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.sp-rec-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sp-rec-icon svg { width: 18px; height: 18px; }
.sp-rec-icon--perf { background: var(--mc-red-dim); color: var(--mc-red); }
.sp-rec-icon--plugin { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.sp-rec-icon--config { background: var(--mc-gold-dim); color: var(--mc-gold); }
.sp-rec-icon--entity { background: rgba(52,152,219,0.1); color: #3498DB; }
.sp-rec-icon--ok { background: var(--mc-green-dim); color: var(--mc-green); }
.sp-rec-title { font-weight: 700; font-size: 0.95rem; }
.sp-rec-body { font-size: 0.85rem; color: var(--mc-text2); line-height: 1.7; }
.sp-rec-body code { background: var(--mc-bg); padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; color: var(--mc-green); }
.sp-rec-steps { margin-top: 10px; padding: 0; }
.sp-rec-steps li { font-size: 0.82rem; color: var(--mc-text2); line-height: 1.6; padding: 4px 0 4px 20px; position: relative; }
.sp-rec-steps li::before { content: '→'; position: absolute; left: 0; color: var(--mc-green); font-weight: 700; }

/* Config boxes */
.sp-config-suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sp-config-box { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 12px; padding: 20px; }
.sp-config-box h3 { font-size: 0.82rem; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; color: var(--mc-text); }
.sp-config-box h3 svg { width: 16px; height: 16px; color: var(--mc-gold); }
.sp-config-code { background: var(--mc-bg); border: 1px solid var(--mc-border); border-radius: 8px; padding: 14px; font-family: monospace; font-size: 0.75rem; line-height: 1.7; color: var(--mc-text2); white-space: pre; overflow-x: auto; max-height: 260px; }
.sp-config-copy { margin-top: 8px; padding: 5px 14px; background: var(--mc-bg); border: 1px solid var(--mc-border); border-radius: 6px; color: var(--mc-text3); font-size: 0.72rem; cursor: pointer; font-family: var(--mc-body); font-weight: 600; transition: all 0.2s; }
.sp-config-copy:hover { border-color: var(--mc-green); color: var(--mc-green); }

.sp-flags-empty { text-align: center; padding: 32px; color: var(--mc-text3); }

/* ── System Info Grid ── */
.sp-sys-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.sp-sys-card { background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 10px; padding: 18px; }
.sp-sys-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 0.75rem; font-weight: 700; color: var(--mc-text3); text-transform: uppercase; letter-spacing: 0.5px; }
.sp-sys-card-head svg { width: 16px; height: 16px; color: var(--mc-green); }
.sp-sys-rows { display: flex; flex-direction: column; gap: 6px; }
.sp-sys-row { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 4px 0; border-bottom: 1px solid var(--mc-border); }
.sp-sys-row:last-child { border-bottom: none; }
.sp-sys-row span:first-child { color: var(--mc-text3); }
.sp-sys-row span:last-child { color: var(--mc-text); font-weight: 500; text-align: right; max-width: 60%; word-break: break-word; }
.sp-sys-row .sp-val-good { color: #44D62C; }
.sp-sys-row .sp-val-warn { color: #FFC940; }
.sp-sys-row .sp-val-bad { color: #E84C3D; }

/* GC bar */
.sp-gc-bar { height: 6px; background: var(--mc-bg); border-radius: 3px; margin-top: 4px; overflow: hidden; }
.sp-gc-fill { height: 100%; border-radius: 3px; }

/* ── World List ── */
.sp-world-list { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; }
.sp-world-item { background: var(--mc-bg); border: 1px solid var(--mc-border); border-radius: 8px; padding: 12px 14px; }
.sp-world-item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.sp-world-name { font-weight: 700; font-size: 0.88rem; }
.sp-world-entities { font-size: 0.78rem; font-weight: 600; padding: 2px 10px; border-radius: 100px; }
.sp-world-entity-bar { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 6px; }
.sp-entity-chip { font-size: 0.68rem; padding: 2px 8px; background: var(--mc-surface); border-radius: 4px; color: var(--mc-text2); }

/* ── Plugin Full List ── */
.sp-plugin-full-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-height: 500px; overflow-y: auto; }
.sp-plugin-full-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--mc-surface); border: 1px solid var(--mc-border); border-radius: 8px; transition: border-color 0.2s; }
.sp-plugin-full-item:hover { border-color: var(--mc-border2); }
.sp-plugin-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mc-green); flex-shrink: 0; }
.sp-plugin-full-info { flex: 1; min-width: 0; }
.sp-plugin-full-name { font-weight: 600; font-size: 0.82rem; display: block; }
.sp-plugin-full-ver { font-size: 0.7rem; color: var(--mc-text3); display: block; }

@media (max-width: 1024px) { .sp-sys-grid { grid-template-columns: repeat(2, 1fr); } .sp-plugin-full-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .sp-sys-grid { grid-template-columns: 1fr; } .sp-plugin-full-list { grid-template-columns: 1fr; } }

@media (max-width: 1024px) {
    .sp-two-col { grid-template-columns: 1fr; }
    .sp-metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .sp-chart-wrap { height: 280px; }
    .sp-config-suggestions { grid-template-columns: 1fr; }
    .sp-summary-header { flex-direction: column; text-align: center; }
}
@media (max-width: 768px) {
    .sp-url-row { flex-direction: column; }
    .sp-metrics-grid { grid-template-columns: 1fr; }
    .sp-chart-wrap { height: 240px; }
    .sp-flag { flex-direction: column; gap: 10px; }
}