:root{color-scheme:light dark;--bg-primary: #0080ff;--bg-secondary: #ffffff;--bg-card: rgba(255, 255, 255, .65);--bg-card-hover: #f1f5f9;--text-main: #0f172a;--text-muted: #e0f2fe;--text-dim: #bae6fd;--accent-cyan: #0284c7;--accent-indigo: #4f46e5;--accent-gradient: linear-gradient(180deg, #0284c7 0%, #4f46e5 100%);--accent-glow: 0 0 25px rgba(2, 132, 199, .2);--border-color: rgba(255, 255, 255, .9);--border-hover: rgba(2, 132, 199, .4);--body-bg: radial-gradient(circle 600px at 50% 0%, #DADFF2 0%, var(--bg-primary) 100%);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--transition: all .25s ease-in-out}html.dark-theme{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: rgba(30, 41, 59, .7);--bg-card-hover: rgba(51, 65, 85, .8);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--accent-cyan: #38bdf8;--accent-indigo: #6366f1;--accent-gradient: linear-gradient(180deg, #38bdf8 0%, #6366f1 100%);--accent-glow: 0 0 25px rgba(56, 189, 248, .25);--border-color: rgba(255, 255, 255, .08);--border-hover: rgba(56, 189, 248, .3);--body-bg: radial-gradient(circle 600px at 50% 0%, #1e1b4b 0%, var(--bg-primary) 100%)}*{box-sizing:border-box;margin:0;padding:0}html{color-scheme:light dark;supported-color-schemes:light dark;scroll-behavior:smooth;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-primary);color:var(--text-main);line-height:1.6}body{min-height:100vh;width:100%;max-width:100%;overflow-x:hidden;background-image:var(--body-bg);background-repeat:no-repeat;background-attachment:scroll;background-size:cover;background-color:var(--bg-primary);color:var(--text-main);transition:background .3s ease,color .3s ease}html,body{width:100%;max-width:100vw;margin:0;padding:0}.container{width:90%;max-width:1100px;margin:0 auto;padding:0 1rem}.card,.box,.conteneur-blanc{background-color:var(--bg-card);color:#0f172a}.card .text-muted{color:#475569}.cadre-texte{background-color:var(--bg-card);color:var(--text-main);font-size:1.1rem;font-weight:500;letter-spacing:.3px;line-height:1.6;margin:25px;width:fit-content;max-width:calc(100% - 50px);padding:16px 28px;border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:0 8px 32px #001e6426;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}