:root {
    --lpg-bg: #f9fafb;
    --lpg-surface: #ffffff;
    --lpg-surface-hover: #f3f4f6;
    --lpg-text: #1f2937;
    --lpg-text-muted: #6b7280;
    --lpg-border: #e5e7eb;
    --lpg-primary: #0ea5e9;
    --lpg-primary-hover: #0284c7;
    --lpg-wa-green: #25D366;
    --lpg-radius: 12px;
    --lpg-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.lpg-dark-mode {
    --lpg-bg: #111827;
    --lpg-surface: #1f2937;
    --lpg-surface-hover: #374151;
    --lpg-text: #f9fafb;
    --lpg-text-muted: #9ca3af;
    --lpg-border: #374151;
    --lpg-primary: #38bdf8;
    --lpg-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
}

#lpg-tracker-app {
    background: var(--lpg-bg);
    color: var(--lpg-text);
    font-family: system-ui, -apple-system, sans-serif;
    padding: 24px;
    border-radius: var(--lpg-radius);
    max-width: 1000px;
    margin: 0 auto;
    box-sizing: border-box;
    box-shadow: var(--lpg-shadow);
}

#lpg-tracker-app * { box-sizing: border-box; }

/* Header & Controls */
.lpg-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.lpg-country-selector { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 5px; scrollbar-width: none; }
.lpg-country-selector::-webkit-scrollbar { display: none; }
.lpg-btn-flag { background: var(--lpg-surface); border: 1px solid var(--lpg-border); color: var(--lpg-text); padding: 8px 16px; border-radius: 20px; cursor: pointer; white-space: nowrap; font-weight: 500; transition: all 0.2s; }
.lpg-btn-flag:hover { background: var(--lpg-surface-hover); }
.lpg-btn-flag.active { border-color: var(--lpg-primary); background: var(--lpg-primary); color: #fff; }
.lpg-btn-outline { background: transparent; border: 1px solid var(--lpg-border); color: var(--lpg-text); padding: 8px 16px; border-radius: 20px; cursor: pointer; transition: all 0.2s; }
.lpg-btn-outline:hover { background: var(--lpg-surface-hover); }

/* Alert & Ticker */
.lpg-alert { background: rgba(16, 185, 129, 0.1); border-left: 4px solid #10b981; padding: 12px 16px; margin-bottom: 24px; border-radius: 0 8px 8px 0; font-size: 0.9em; display: flex; align-items: center; gap: 8px; color: var(--lpg-text); }
.live-pulse { animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; } }

.lpg-ticker-wrap { width: 100%; overflow: hidden; background: var(--lpg-surface); border: 1px solid var(--lpg-border); border-radius: 8px; padding: 12px 0; margin-bottom: 24px; }
.lpg-ticker { display: flex; white-space: nowrap; animation: lpg-ticker-anim 30s linear infinite; }
.lpg-ticker:hover { animation-play-state: paused; }
.ticker-item { padding: 0 24px; border-right: 1px solid var(--lpg-border); font-size: 0.9em; font-weight: 500; }
@keyframes lpg-ticker-anim { 0% { transform: translateX(100%); } 100% { transform: translateX(-100%); } }

/* Search & Filters */
.lpg-controls { margin-bottom: 24px; display: flex; flex-direction: column; gap: 16px; }
#lpg-search { width: 100%; padding: 14px 16px; background: var(--lpg-surface); border: 1px solid var(--lpg-border); color: var(--lpg-text); border-radius: var(--lpg-radius); font-size: 1em; transition: border-color 0.2s; }
#lpg-search:focus { outline: none; border-color: var(--lpg-primary); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2); }
.lpg-regions { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 5px; scrollbar-width: none; }
.lpg-regions::-webkit-scrollbar { display: none; }
.lpg-pill { background: var(--lpg-surface); border: 1px solid var(--lpg-border); color: var(--lpg-text-muted); padding: 6px 16px; border-radius: 20px; cursor: pointer; white-space: nowrap; font-size: 0.9em; transition: all 0.2s; }
.lpg-pill:hover { background: var(--lpg-surface-hover); color: var(--lpg-text); }
.lpg-pill.active { background: var(--lpg-text); color: var(--lpg-bg); border-color: var(--lpg-text); }

/* Grid & Cards */
.lpg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-bottom: 24px; }
.lpg-card { background: var(--lpg-surface); border: 1px solid var(--lpg-border); border-radius: var(--lpg-radius); overflow: hidden; box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); transition: all 0.3s ease; }
.lpg-card:hover { border-color: var(--lpg-primary); box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.1); }
.lpg-card-header { padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: transparent; }
.lpg-card-title-group { display: flex; flex-direction: column; gap: 4px; }
.lpg-card-title-group h4 { margin: 0; font-size: 1.1em; color: var(--lpg-text); }
.lpg-badge { display: inline-block; background: var(--lpg-bg); padding: 2px 8px; border-radius: 12px; font-size: 0.75em; color: var(--lpg-text-muted); border: 1px solid var(--lpg-border); width: fit-content; }
.text-right { text-align: right; }
.lpg-main-price { display: block; font-size: 1.25em; color: var(--lpg-primary); margin-bottom: 2px; }
.trend { font-size: 0.8em; font-weight: 600; padding: 2px 6px; border-radius: 4px; }
.trend.up { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.trend.down { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.trend.stable { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

/* Expandable Body */
.lpg-card-body { display: none; padding: 0 20px 20px 20px; border-top: none; background: transparent; }
.lpg-card.expanded .lpg-card-body { display: block; animation: slideDown 0.3s ease-out; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.lpg-price-details { background: var(--lpg-bg); padding: 12px; border-radius: 8px; margin-top: 10px; border: 1px solid var(--lpg-border); }
.price-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; }
.price-row:not(:last-child) { border-bottom: 1px dashed var(--lpg-border); }
.price-label { font-size: 0.9em; color: var(--lpg-text-muted); }
.price-val { color: var(--lpg-text); font-weight: 600; }

.lpg-tip { background: rgba(14, 165, 233, 0.05); padding: 12px; border-radius: 8px; font-size: 0.85em; margin: 12px 0; color: var(--lpg-text); border-left: 3px solid var(--lpg-primary); line-height: 1.4; }
.lpg-btn-sm.warning { background: #fee2e2; color: #b91c1c; text-align: center; border: 1px solid #fca5a5; font-weight: 500; }
.lpg-btn-sm.warning:hover { background: #fecaca; }
.lpg-full-width { width: 100%; display: block; padding: 8px; border-radius: 6px; text-decoration: none; margin-bottom: 12px; }

/* Action Buttons */
.lpg-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.lpg-btn-action { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 10px; border-radius: 8px; border: none; font-weight: 600; font-size: 0.9em; cursor: pointer; transition: all 0.2s; }
.lpg-btn-action.share-wa { background: var(--lpg-wa-green); color: white; }
.lpg-btn-action.share-wa:hover { background: #20b858; transform: translateY(-1px); }
.lpg-btn-action.copy-btn { background: var(--lpg-surface); border: 1px solid var(--lpg-border); color: var(--lpg-text); }
.lpg-btn-action.copy-btn:hover { background: var(--lpg-bg); }
.lpg-btn-action.copy-btn.copied { background: #10b981; color: white; border-color: #10b981; }

/* Widgets */
.lpg-widget-box { background: var(--lpg-surface); border: 1px solid var(--lpg-border); padding: 24px; border-radius: var(--lpg-radius); margin-bottom: 24px; }
.lpg-widget-box h4 { margin-top: 0; margin-bottom: 16px; font-size: 1.1em; }
.lpg-poll-opts { display: grid; grid-template-columns: 1fr; gap: 10px; }
.poll-btn { text-align: left; padding: 12px 16px; }
.lpg-footer-note { text-align: center; color: var(--lpg-text-muted); font-size: 0.9em; padding-top: 16px; border-top: 1px solid var(--lpg-border); }