:root{--bg: #ffffff;--text: #213547;--text-strong: #000000;--primary: #0078ff;--primary-hover: #005fcc;--accent: #1d4ed8;--accent-hover: #1e40af;--card-bg: #ffffff;--border-subtle: rgba(0,0,0,.12);--input-bg: #f9f9f9;--input-border: #cccccc;--input-text: #111111;--button-bg: #0078ff;--button-hover: #005fcc;--button-text: #ffffff;--error: #e11d48;--warning-bg: #fff4d6;--warning-text: #8a5a00;--shadow: 0px 4px 14px rgba(0,0,0,.12);color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #121212;--text: #e5e5e5;--text-strong: #ffffff;--primary: #60a5fa;--primary-hover: #3b82f6;--accent: #60a5fa;--accent-hover: #3b82f6;--card-bg: #1e1e1e;--border-subtle: rgba(255,255,255,.1);--input-bg: #2c2c2c;--input-border: #444444;--input-text: #eeeeee;--button-bg: #2563eb;--button-hover: #1d4ed8;--button-text: #ffffff;--error: #fb7185;--warning-bg: #3b3001;--warning-text: #ffdd77;--shadow: 0px 4px 14px rgba(0,0,0,.45);color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:transparent;color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;min-height:100%;width:100vw;max-width:100vw;overflow-x:hidden;height:auto}#root{width:100vw;min-height:100vh;padding:0;margin:0;overflow-x:hidden}.center{display:flex;justify-content:center;align-items:center}.flex-column{display:flex;flex-direction:column}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.card{background:var(--card-bg);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--border-subtle)}:root{--top-bar-height: 60px;--bottom-nav-height: 60px;--app-safe-top: var(--top-bar-height);--app-safe-bottom: var(--bottom-nav-height)}