:root,[data-theme=light]{--atlas-primary: #1f6feb;--atlas-accent: #9858ff;--atlas-text: #1f2328;--atlas-text-strong: #0d1117;--atlas-muted: #6e7781;--atlas-bg: #ffffff;--atlas-surface: #f6f8fa;--atlas-surface-strong: #eaeef2;--atlas-border: #d0d7de;--atlas-error: #cf222e;--atlas-error-bg: #ffebe9;--atlas-error-border: #ffcecb;--atlas-warn-bg: #fff8c5;--atlas-warn-border: #d4a72c;--atlas-shadow: 0 8px 24px rgba(0, 0, 0, .05)}[data-theme=dark]{--atlas-primary: #4493f8;--atlas-accent: #b87fff;--atlas-text: #e6edf3;--atlas-text-strong: #f0f6fc;--atlas-muted: #8d96a0;--atlas-bg: #0d1117;--atlas-surface: #161b22;--atlas-surface-strong: #21262d;--atlas-border: #30363d;--atlas-error: #f85149;--atlas-error-bg: #3a161a;--atlas-error-border: #6e2228;--atlas-warn-bg: #3d2e0a;--atlas-warn-border: #8b6914;--atlas-shadow: 0 8px 24px rgba(0, 0, 0, .35)}@media (prefers-color-scheme: dark){:root:not([data-theme]){--atlas-primary: #4493f8;--atlas-accent: #b87fff;--atlas-text: #e6edf3;--atlas-text-strong: #f0f6fc;--atlas-muted: #8d96a0;--atlas-bg: #0d1117;--atlas-surface: #161b22;--atlas-surface-strong: #21262d;--atlas-border: #30363d;--atlas-error: #f85149;--atlas-error-bg: #3a161a;--atlas-error-border: #6e2228;--atlas-warn-bg: #3d2e0a;--atlas-warn-border: #8b6914;--atlas-shadow: 0 8px 24px rgba(0, 0, 0, .35)}}:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--atlas-text);background:var(--atlas-bg);color-scheme:light dark}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh;background:var(--atlas-bg);color:var(--atlas-text);transition:background-color .15s ease,color .15s ease}a{color:var(--atlas-primary);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;padding:8px 16px;border:1px solid var(--atlas-border);background:var(--atlas-surface);color:var(--atlas-text);border-radius:6px;cursor:pointer;transition:background-color .15s ease,border-color .15s ease}button:hover{background:var(--atlas-surface-strong)}button.primary{background:var(--atlas-primary);color:#fff;border-color:var(--atlas-primary)}button.primary:hover{filter:brightness(1.1)}button.icon{padding:6px 10px;font-size:14px}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{font:inherit;padding:8px 12px;border:1px solid var(--atlas-border);border-radius:6px;width:100%;background:var(--atlas-bg);color:var(--atlas-text)}input:focus,textarea:focus{outline:2px solid var(--atlas-primary);outline-offset:-1px;border-color:var(--atlas-primary)}.app-shell{max-width:1100px;margin:0 auto;padding:24px}.app-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--atlas-border);padding-bottom:16px;margin-bottom:24px;gap:12px}.app-header>.actions{display:flex;align-items:center;gap:12px}.brand{font-size:20px;font-weight:600;color:var(--atlas-primary)}.error{color:var(--atlas-error);background:var(--atlas-error-bg);border:1px solid var(--atlas-error-border);border-radius:6px;padding:8px 12px;margin:12px 0}.muted{color:var(--atlas-muted)}.card{background:var(--atlas-surface);border:1px solid var(--atlas-border);border-radius:8px;padding:16px;margin-bottom:16px}.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 720px){.dashboard-grid{grid-template-columns:1fr}}.signin-shell{max-width:420px;margin:80px auto;padding:32px;background:var(--atlas-surface);border:1px solid var(--atlas-border);border-radius:12px;box-shadow:var(--atlas-shadow)}.signin-shell h1{margin-top:0;color:var(--atlas-primary)}.signin-shell label{display:block;font-size:13px;color:var(--atlas-muted);margin-top:12px;margin-bottom:4px}.theme-toggle{background:transparent;border:1px solid var(--atlas-border);border-radius:6px;padding:6px 10px;cursor:pointer;color:var(--atlas-text);font-size:16px;line-height:1}.theme-toggle:hover{background:var(--atlas-surface-strong)}