:root{--background-color: #f6f6ef;--text-color: #000;--container-background: #fff;--container-border: #ccc;--link-color: #000;--link-hover-color: #2563eb;--header-background: #2563eb;--header-text: #fff;--header-tagline: #e5e7eb;--btn-primary-bg: #2563eb;--btn-primary-text: #fff;--btn-primary-hover-bg: #1d4ed8;--btn-secondary-bg: #fff;--btn-secondary-text: #000;--btn-secondary-border: #ccc;--btn-secondary-hover-bg: #f0f0f0;--btn-disabled-bg: #f0f0f0;--btn-disabled-text: #ccc;--btn-disabled-border: #ccc;--overlay-background: rgba(255, 255, 255, .8);--color-scheme: light;--loading-bar-color: var(--container-background)}[data-theme=dark]{--background-color: #1a1a1a;--text-color: #d1d5db;--container-background: #2a2a2a;--container-border: #444;--link-color: #e5e7eb;--link-hover-color: #58a6ff;--header-background: #1f1f1f;--header-text: #e5e7eb;--header-tagline: #999;--btn-primary-bg: #58a6ff;--btn-primary-text: #1a1a1a;--btn-primary-hover-bg: #79b8ff;--btn-secondary-bg: #3a3a3a;--btn-secondary-text: #e5e7eb;--btn-secondary-border: #555;--btn-secondary-hover-bg: #4a4a4a;--btn-disabled-bg: #2a2a2a;--btn-disabled-text: #555;--btn-disabled-border: #444;--overlay-background: rgba(0, 0, 0, .7);--color-scheme: dark;--loading-bar-color: var(--btn-primary-bg)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.4;color:var(--text-color);background-color:var(--background-color);font-size:14px}@media(max-width:768px){body{font-size:13px;line-height:1.6}}.main{padding:15px 0}.container{width:100%;margin:0 auto;padding:0 16px}@media(max-width:768px){.container{padding:0 12px}}@media(min-width:992px){.container{max-width:960px}}@media(min-width:1200px){.container{max-width:1200px}}@media(min-width:1400px){.container{max-width:1320px}}.intro-content{background:var(--container-background);padding:20px;margin-bottom:20px;border:1px solid var(--container-border);border-radius:2px}.intro-content h2{font-size:16px;margin-bottom:12px;color:var(--text-color)}.intro-content h3{font-size:15px;margin:16px 0 8px;color:var(--text-color)}.intro-content p{line-height:1.6;margin-bottom:12px;color:var(--text-color);font-size:14px}.intro-content ul{margin-bottom:12px;padding-left:20px}.intro-content ul li{margin-bottom:8px;line-height:1.6}.btn{padding:6px 12px;border:1px solid var(--btn-secondary-border);background:var(--btn-secondary-bg);font-size:13px;font-family:inherit;cursor:pointer;text-decoration:none;display:inline-block;text-align:center;color:var(--btn-secondary-text)}.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text);border-color:var(--btn-primary-bg)}.btn-primary:hover{background:var(--btn-primary-hover-bg)}.btn-secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border-color:var(--btn-secondary-border)}.btn-secondary:hover{background:var(--btn-secondary-hover-bg)}.btn:disabled{background:var(--btn-disabled-bg);color:var(--btn-disabled-text);border-color:var(--btn-disabled-border);cursor:not-allowed}.btn-sm{padding:4px 8px;font-size:11px}@media(max-width:768px){.content-section{padding:10px 0}.spinner{width:20px;height:20px}.btn{padding:10px 16px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:13px}.btn-sm{padding:8px 12px;font-size:12px;min-height:40px}}