:root{--bg-base: #f3f4f6;--bg-panel: #ffffff;--bg-elevated: #ffffff;--bg-elevated-2: #f6f7f9;--border: #e3e5ea;--border-soft: #edeef1;--border-strong: #d2d5dc;--accent: #3f4249;--accent-light: #6b6e76;--accent-deep: #23252a;--accent-sky: #7fa7c9;--text-primary: #1b1e24;--text-secondary: #5a5f68;--text-muted: #8b8f99;--success: #1f9d68;--warning: #b9821f;--danger: #c94b42;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:var(--font);background:var(--bg-base);color:var(--text-primary)}button,input,select,textarea{font-family:inherit}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 18px;font-size:13.5px;font-weight:700;cursor:pointer}.btn-primary:hover{opacity:.92}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 18px;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}